Dashboard with current conditions and forecast

Node-red Flow showing Node-red ui OpenweatherMap based condition and forecast

I was looking for implementation examples for the Openweathermap nodes together with the nice set of icons created by Erik Flowers. Within that exercise I've recognized there are not so much example available. So let me share my current implementation.

Bildschirmfoto 2019-03-09 um 15 36 58

Note: I'm using Node-red on a RaspberryPi. So my flow is implemented and tested on that platform.

Pre-requisites

Icons and CSS

You need to install the required library with more the 200 icons and the related CSS content. Go to GitHub and follow the instruction of Paul Reeds setup.

Note: Since a small subset of weather icons are already embedded into node-red, you only need to follow this instruction if you would like to add much more out of the more than 200 available icons. Otherwise just adding <i class="wi wi-forecast-io-rain"> to a dashboard template node to displays the icons in the same way as e. g. Font Awsome.

Create a free OpenWeather account and obtain an API Key

Accessing the free OpenweatherMap data an API key is required. To obtain an API key go to OpenWeatherMap, sign in and request a key.

Note: It could take a couple of hours until you get an email from OpenWeather with the API key.

Install node-red-nodes for openweathermap

I made some very good experiences with node-red-node-openweathermap.

Comments

I do not claim to have written the most efficient code, especially in the function nodes. My main topic were to find a good way to map OpenweatherMap icon code to Erik Flowers icons. The Mapping provided there seems not exactly match the code provided by the OpenWeatherMap API. For the mapping itself I decide to use the map object in JavaScript, e. g. :

const owIconMap = new Map();

owIconMap.set('01d', 'wi-day-sunny'); // clear sky
owIconMap.set('02d', 'wi-day-cloudy'); // few clouds
owIconMap.set('03d', 'wi-cloud'); // scattered clouds
owIconMap.set('04d', 'wi-cloudy'); // broken clouds
owIconMap.set('09d', 'wi-day-showers'); // shower rain
owIconMap.set('10d', 'wi-day-rain'); // rain
owIconMap.set('11d', 'wi-thunderstorm'); // thunderstorm
owIconMap.set('13d', 'wi-snow'); // snow
owIconMap.set('50d', 'wi-fog'); // mist
...
// assign WeatherIcon name based on OpenWeather API response icon 

conditionIcon.payload = owIconMap.get(msg.payload.icon);

A second point was how to provide a good style to show the forecast. The API response for the forecast is a nested array with 5 day forecast that includes weather data every 3 hours. My example is only displaying 10 intervals across the next 30 hours. I run a second small RaspberryPI with a 3.5" display in my living room, only showing the ui dashboard with weather data. For that reason I decide to setup a small ui page for that.

Bildschirmfoto 2019-03-09 um 15 35 39

My forecast right now may not look really nice. But I've chosen this setup dealing with the limitation of the display size.

Note: Depending on your own locale and preferred language you may need to change the country code in parameter section of the openweather node in addition to API key and location of recidence.

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deg<213.75){\nreturn \"Süd-Süd-West\";\n  }else if (deg>213.75 && deg<236.25){\nreturn \"Süd-West\";\n  }else if (deg>236.25 && deg<258.75){\nreturn \"West-Süd-West\";\n  }else if (deg>258.75 && deg<281.25){\nreturn \"West\";\n  }else if (deg>281.25 && deg<303.75){\nreturn \"West-Nord-West\";\n  }else if (deg>303.75 && deg<326.25){\nreturn \"Nord-West\";\n  }else if (deg>326.25 && deg<348.75){\nreturn \"Nord-Nord-West\";\n  }else{\nreturn \"Nord\"; \n  }\n}\n\n/* function for converting meteorogical degree to weather icons */\n\nvar degToCardIcon = function(deg){\nif (deg>11.25 && deg<=33.75){\nreturn \"wi-from-nne\";\n  }else if (deg>33.75 && deg<56.25){\nreturn \"wi-from-ne\";\n  }else if (deg>56.25 && deg<78.75){\nreturn \"wi-from-ene\";\n  }else if (deg>78.75 && deg<101.25){\nreturn \"wi-from-e\";\n  }else if (deg>101.25 && deg<123.75){\nreturn \"wi-from-ese\";\n  }else if (deg>123.75 && deg<146.25){\nreturn \"wi-from-se\";\n  }else if (deg>146.25 && deg<168.75){\nreturn \"wi-from-sse\";\n  }else if (deg>168.75 && deg<191.25){\nreturn \"wi-from-s\";\n  }else if (deg>191.25 && deg<213.75){\nreturn \"wi-from-ssw\";\n  }else if (deg>213.75 && deg<236.25){\nreturn \"wi-from-sw\";\n  }else if (deg>236.25 && deg<258.75){\nreturn \"wi-from-wsw\";\n  }else if (deg>258.75 && deg<281.25){\nreturn \"wi-from-w\";\n  }else if (deg>281.25 && deg<303.75){\nreturn \"wi-from-wnw\";\n  }else if (deg>303.75 && deg<326.25){\nreturn \"wi-from-nw\";\n  }else if (deg>326.25 && deg<348.75){\nreturn \"wi-from-nnw\";\n  }else{\nreturn \"wi-from-n\"; \n  }\n}\n\n/* Function for converting wind speed into Beaufort scale icon */\n\nvar speedToCardIcon = function(speed){\nif (speed>0.5 && speed<=1.5){\nreturn \"wi-wind-beaufort-1\";\n  }else if (speed>1.5 && speed<=3.3){\nreturn \"wi-wind-beaufort-2\";\n  }else if (speed>3.3 && speed<=5.5){\nreturn \"wi-wind-beaufort-3\";\n  }else if (speed>5.5 && speed<=7.9){\nreturn \"wi-wind-beaufort-4\";\n  }else if (speed>7.9 && speed<=10.7){\nreturn \"wi-wind-beaufort-5\";\n  }else if (speed>10.7 && speed<=13.8){\nreturn \"wi-wind-beaufort-6\";\n  }else if (speed>13.8 && speed<=17.1){\nreturn \"wi-wind-beaufort-7\";\n  }else if (speed>17.1 && speed<=20.7){\nreturn \"wi-wind-beaufort-8\";\n  }else if (speed>20.7 && speed<=24.4){\nreturn \"wi-wind-beaufort-9\";\n  }else if (speed>24.4 && speed<=28.4){\nreturn \"wi-wind-beaufort-10\";\n  }else if (speed>28.4 && speed<=32.6){\nreturn \"wi-wind-beaufort-11\";\n  }else if (speed>32.6){\nreturn \"wi-wind-beaufort-12\";\n  }else{\nreturn \"wi-wind-beaufort-0\"; \n  }\n}\n\n/* Function for Time Conversions */\n\nfunction timeConverter(UNIX_timestamp){\n  var a = new Date(UNIX_timestamp * 1000);\n  var hour = a.getHours();\n  var min = a.getMinutes();\n  if (min < 10) {min = \"0\" + min;}\n    else {min = min;}\n  var sec = a.getSeconds();\n  if (sec < 10) {sec = \"0\" + sec;}\n    else {sec = sec;}\n    \n  var time = hour + ':' + min + ':' + sec ;\n  return 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sunSet];","outputs":7,"noerr":0,"x":710,"y":1840,"wires":[["d0990bb3.6ee1f8"],["6bfd9bef.141194"],["49e2e33e.486c14"],[],["a8c65467.d3352"],["393c1d0b.05766a"],["d2011150.f678f"]]},{"id":"49e2e33e.486c14","type":"ui_text","z":"2b034a6e.a0f896","group":"8da50f69.44fe38","order":2,"width":"2","height":"1","name":"WindSpeed","label":"","format":"{{msg.payload}}","layout":"row-center","x":1010,"y":1840,"wires":[]},{"id":"393c1d0b.05766a","type":"ui_text","z":"2b034a6e.a0f896","group":"5a4d76d2.5ae128","order":4,"width":"2","height":"1","name":"Sunrise","label":"","format":"{{msg.payload}}","layout":"col-center","x":1000,"y":1980,"wires":[]},{"id":"d2011150.f678f","type":"ui_text","z":"2b034a6e.a0f896","group":"5a4d76d2.5ae128","order":6,"width":"2","height":"1","name":"Sunset","label":"","format":"{{msg.payload}}","layout":"col-center","x":1000,"y":2060,"wires":[]},{"id":"a767f2cc.5f3478","type":"ui_template","z":"2b034a6e.a0f896","group":"5a4d76d2.5ae128","name":"Sunrise 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= \"0\" + sec;}\n    else {sec = sec;}\n    \n  var time = hour + ':' + min; /* + ':' + sec ;*/\n  return time;\n}\n\n/* Convert OpenWeeather Map Icon to https://erikflowers.github.io/weather-icons/ */\n\nconst owIconMap = new Map();\n\nowIconMap.set('01d', 'wi-day-sunny'); // clear sky\nowIconMap.set('02d', 'wi-day-cloudy'); // few clouds\nowIconMap.set('03d', 'wi-cloud'); // scattered clouds\nowIconMap.set('04d', 'wi-cloudy'); // broken clouds\nowIconMap.set('09d', 'wi-day-showers'); // shower rain\nowIconMap.set('10d', 'wi-day-rain'); // rain\nowIconMap.set('11d', 'wi-thunderstorm'); // thunderstorm\nowIconMap.set('13d', 'wi-snow'); // snow\nowIconMap.set('50d', 'wi-fog'); // mist\nowIconMap.set('01n', 'wi-night-clear'); // clear sky\nowIconMap.set('02n', 'wi-night-alt-cloudy'); // few clouds\nowIconMap.set('03n', 'wi-cloud'); // scattered clouds\nowIconMap.set('04n', 'wi-cloudy'); // broken clouds\nowIconMap.set('09n', 'wi-night-alt-showers'); // shower rain\nowIconMap.set('10n', 'wi-night-alt-rain'); // rain\nowIconMap.set('11n', 'wi-thunderstorm'); // thunderstorm\nowIconMap.set('13n', 'wi-snow'); // snow\nowIconMap.set('50n', 'wi-fog'); // mist\n\nwfcIcon1.topic = msg.payload[0].dt_txt;\nwfcIcon1.payload = owIconMap.get(msg.payload[0].weather[0].icon);\n\nwfcIcon2.topic = msg.payload[1].dt_txt;\nwfcIcon2.payload = owIconMap.get(msg.payload[1].weather[0].icon);\n\nwfcIcon3.topic = msg.payload[2].dt_txt;\nwfcIcon3.payload = owIconMap.get(msg.payload[2].weather[0].icon);\n\nwfcIcon4.topic = msg.payload[3].dt_txt;\nwfcIcon4.payload = owIconMap.get(msg.payload[3].weather[0].icon);\n\nwfcIcon5.topic = msg.payload[4].dt_txt;\nwfcIcon5.payload = owIconMap.get(msg.payload[4].weather[0].icon);\n\nwfcIcon6.topic = msg.payload[5].dt_txt;\nwfcIcon6.payload = owIconMap.get(msg.payload[5].weather[0].icon);\n\nwfcIcon7.topic = msg.payload[6].dt_txt;\nwfcIcon7.payload = owIconMap.get(msg.payload[6].weather[0].icon);\n\nwfcIcon8.topic = 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{{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2140,"wires":[[]]},{"id":"c24820ec.48ca8","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"WFc Icon 2","order":3,"width":"1","height":"1","format":"<link rel=\"stylesheet\" href=\"/weather-icons/mycss/weather-icons.min.css\">\n<div style=\"display: flex;height: 100%;justify-content: center;align-items: center;\">\n<i class=\"fa-1x wi {{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2180,"wires":[[]]},{"id":"764a58c0.442438","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"WFc Icon 3","order":4,"width":"1","height":"1","format":"<link rel=\"stylesheet\" href=\"/weather-icons/mycss/weather-icons.min.css\">\n<div style=\"display: flex;height: 100%;justify-content: center;align-items: center;\">\n<i class=\"fa-1x wi 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{{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2300,"wires":[[]]},{"id":"53046826.3645","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"WFc Icon 6","order":7,"width":"1","height":"1","format":"<link rel=\"stylesheet\" href=\"/weather-icons/mycss/weather-icons.min.css\">\n<div style=\"display: flex;height: 100%;justify-content: center;align-items: center;\">\n<i class=\"fa-1x wi {{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2340,"wires":[[]]},{"id":"229014e6.b0e14c","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"WFc Icon 7","order":8,"width":"1","height":"1","format":"<link rel=\"stylesheet\" href=\"/weather-icons/mycss/weather-icons.min.css\">\n<div style=\"display: flex;height: 100%;justify-content: center;align-items: center;\">\n<i class=\"fa-1x wi {{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2380,"wires":[[]]},{"id":"fd1a001d.2fc35","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"WFc Icon 8","order":9,"width":"1","height":"1","format":"<link rel=\"stylesheet\" href=\"/weather-icons/mycss/weather-icons.min.css\">\n<div style=\"display: flex;height: 100%;justify-content: center;align-items: center;\">\n<i class=\"fa-1x wi {{msg.payload}}\"></i>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1010,"y":2420,"wires":[[]]},{"id":"e58a247.3094b58","type":"function","z":"2b034a6e.a0f896","name":"Prepare Forecast Data","func":"var fcdata = {};\n\nfcdata.payload = {\n  forecast: {\n    dt00: {\n      dt_txt: msg.payload[0].dt_txt,\n      temp_min: msg.payload[0].main.temp_min,\n      temp_max: msg.payload[0].main.temp_max,\n      temp: msg.payload[0].main.temp,\n      desc: msg.payload[0].weather[0].description\n    },\n    dt01: {\n      dt_txt: msg.payload[1].dt_txt,\n      temp_min: msg.payload[1].main.temp_min,\n      temp_max: msg.payload[1].main.temp_max,\n      temp: msg.payload[1].main.temp,\n      desc: msg.payload[1].weather[0].description\n    },\n    dt02: {\n      dt_txt: msg.payload[2].dt_txt,\n      temp_min: msg.payload[2].main.temp_min,\n      temp_max: msg.payload[2].main.temp_max,\n      temp: msg.payload[2].main.temp,\n      desc: msg.payload[2].weather[0].description\n    },\n    dt03: {\n      dt_txt: msg.payload[3].dt_txt,\n      temp_min: msg.payload[3].main.temp_min,\n      temp_max: msg.payload[3].main.temp_max,\n      temp: msg.payload[3].main.temp,\n      desc: msg.payload[3].weather[0].description\n    },\n    dt04: {\n      dt_txt: msg.payload[4].dt_txt,\n      temp_min: msg.payload[4].main.temp_min,\n      temp_max: msg.payload[4].main.temp_max,\n      temp: msg.payload[4].main.temp,\n      desc: msg.payload[4].weather[0].description\n    },\n    dt05: {\n      dt_txt: msg.payload[5].dt_txt,\n      temp_min: msg.payload[5].main.temp_min,\n      temp_max: msg.payload[5].main.temp_max,\n      temp: msg.payload[5].main.temp,\n      desc: msg.payload[5].weather[0].description\n    },\n    dt06: {\n      dt_txt: msg.payload[6].dt_txt,\n      temp_min: msg.payload[6].main.temp_min,\n      temp_max: msg.payload[6].main.temp_max,\n      temp: msg.payload[6].main.temp,\n      desc: msg.payload[6].weather[0].description\n    },\n    dt07: {\n      dt_txt: msg.payload[7].dt_txt,\n      temp_min: msg.payload[7].main.temp_min,\n      temp_max: msg.payload[7].main.temp_max,\n      temp: msg.payload[7].main.temp,\n      desc: msg.payload[7].weather[0].description\n    }\n  }\n}\n\n\n\nreturn fcdata;","outputs":1,"noerr":0,"x":720,"y":2480,"wires":[[]]},{"id":"770400c.08ade8","type":"ui_template","z":"2b034a6e.a0f896","group":"5e0d6747.b726b","name":"Forecast","order":1,"width":"8","height":"1","format":"<div layout=\"row\" layout-align=\"space-around start\" ng-repeat=\"data in msg.payload.row\">\n  <span flex style=\"color: white\">{{data.cell01}}</span>\n  <span flex style=\"color: white\">{{data.cell02}}</span>\n  <span flex style=\"color: white\">{{data.cell03}}</span>\n  <span flex style=\"color: white\">{{data.cell04}}</span>\n  <span flex style=\"color: white\">{{data.cell05}}</span>\n  <span flex style=\"color: white\">{{data.cell06}}</span>\n  <span flex style=\"color: white\">{{data.cell07}}</span>\n  <span flex style=\"color: white\">{{data.cell08}}</span>\n</div>","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":1000,"y":2600,"wires":[[]]},{"id":"c5b71946.ca4de","type":"function","z":"2b034a6e.a0f896","name":"Prepare forecast for UI widget","func":"var fcdata = {};\n\n// prepare forecast data for CSS based ui widget\n\nfcdata.payload = {\n  row: {\n  \tdata01: {\n  \t\tcell01: msg.payload[0].dt_txt.substring(11, 16),\n  \t\tcell02: msg.payload[1].dt_txt.substring(11, 16),\n  \t\tcell03: msg.payload[2].dt_txt.substring(11, 16),\n  \t\tcell04: msg.payload[3].dt_txt.substring(11, 16),\n  \t\tcell05: msg.payload[4].dt_txt.substring(11, 16),\n  \t\tcell06: msg.payload[5].dt_txt.substring(11, 16),\n  \t\tcell07: msg.payload[6].dt_txt.substring(11, 16),\n  \t\tcell08: msg.payload[7].dt_txt.substring(11, 16)\n  \t},\n  \tdata02: {\n  \t\tcell01: msg.payload[0].main.temp,\n  \t\tcell02: msg.payload[1].main.temp,\n  \t\tcell03: msg.payload[2].main.temp,\n  \t\tcell04: msg.payload[3].main.temp,\n  \t\tcell05: msg.payload[4].main.temp,\n  \t\tcell06: msg.payload[5].main.temp,\n  \t\tcell07: msg.payload[6].main.temp,\n  \t\tcell08: msg.payload[7].main.temp\n  \t}\n  }\n}\n\nreturn fcdata;","outputs":1,"noerr":0,"x":760,"y":2620,"wires":[["770400c.08ade8"]]},{"id":"99a4dc86.46d248","type":"ui_group","z":"","name":"Masterswitches","tab":"258c6649.0213da","order":6,"disp":false,"width":"6","collapse":false},{"id":"b12941f.1cd05c","type":"ui_group","z":"","name":"Condition","tab":"eb94216d.968598","order":5,"disp":false,"width":"4","collapse":false},{"id":"8da50f69.44fe38","type":"ui_group","z":"","name":"Wind","tab":"eb94216d.968598","order":4,"disp":false,"width":"4","collapse":false},{"id":"5a4d76d2.5ae128","type":"ui_group","z":"","name":"Luftfeuchtigkeit","tab":"258c6649.0213da","order":4,"disp":false,"width":"6","collapse":false},{"id":"14584712.7a2929","type":"ui_group","z":"","name":"Condition","tab":"eb94216d.968598","order":2,"disp":false,"width":"2","collapse":false},{"id":"5e0d6747.b726b","type":"ui_group","z":"","name":"Forecast","tab":"eb94216d.968598","order":6,"disp":false,"width":"8","collapse":false},{"id":"258c6649.0213da","type":"ui_tab","z":"","name":"Home","icon":"home","order":1},{"id":"eb94216d.968598","type":"ui_tab","z":"","name":"Wetterstation","icon":"fa-thermometer-half","order":5,"disabled":false,"hidden":false}]

Flow Info

Created 6 years, 4 months ago
Updated 4 years, 10 months ago
Rating: 5 3

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Node Types

Core
  • comment (x1)
  • debug (x1)
  • function (x4)
  • inject (x1)
Other
  • openweathermap (x2)
  • ui_button (x1)
  • ui_group (x6)
  • ui_tab (x2)
  • ui_template (x14)
  • ui_text (x4)

Tags

  • RaspberryPi
  • Openweather
  • WeatherIcons
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