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You are here: Home / API Tutorial / Dark Sky Weather API Tutorial

Dark Sky Weather API Tutorial

November 20, 2019 By shyam Leave a Comment

Oh, Weather! That’s the last thing we worry until it hits us hard. Weather prediction is one of the most complex problems to solve. There are umpteen parameters to track, and their permutations and combinations can lead to thousands of possible outcomes. Thankfully, there are APIs that abstract away all that complexity behind the scenes.

Dark Sky Weather API is an easy to use weather API to get instant weather predictions. It supports both current and historical predictions. Dark Sky Weather API is integrated with Rakuten RapidAPI. You can directly invoke the weather API from within the API console once you log on to your Rakuten RapidAPI account.

API Tutorial Dark Sky

In case you don’t have an account on Rakuten Rapid API, sign up now and get your universal API key to access the Google Maps Geocoding API and thousands of other APIs hosted on Rakuten RapidAPI.

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Overview of Dark Sky Weather API

Let’s now see a Dark Sky API example. Access the Dark Sky Weather API console, and you will see the endpoints.

Dark Sky API Console

There are two endpoints supported by this API.

GET Forecast

The “Forecast” endpoint fetches the latest weather prediction for a given geographical location pointed by a latitude and longitude coordinate.

Let’s find out the current prediction for New York. The approximate coordinates of New York is 40.7 (latitude) and -74 (longitude).

Dark Sky API Weather Forecast Request

After triggering the API, here is the format in which you will get the result.

Dark Sky API Weather Forecast Response

Dark Sky Weather API response contains the prediction for November 17, 2019, 03: 58 AM (GMT). If you call this API on some other day, then the values will change. From a layman’s point of view, you can see that the data contains the usual weather condition indicators such as temperature, pressure, wind speed, etc.

Dark Sky Weather API also returns a prediction for the upcoming hour and the day.

Dark Sky API Weather Forecast Response Details

Note that the timestamp for this prediction response is in the Unix time format. That means the value ‘1573963131’   for ‘currently’ > ‘time’ key translates to Sunday, November 17, 2019, 3:58:51 AM (GMT).

GET Time Machine

This “Time Machine” endpoint is similar to the “Forecast” endpoint. Apart from the latitude and longitude, it accepts a timestamp in the past and retrieves the historical prediction.

Dark Sky API Time Machine Request

In this case, Dark Sky Weather API retrieves the weather information of New York on Friday, November 1, 2019, at 4:10:36 AM. The value ‘1572581436’ for the ‘time’ parameter translates to this time.

Dark Sky API Time Machine Response

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Optional Parameters

Both the endpoints support optional parameters to finetune the prediction responses  from the Dark Sky Weather API.

Dark Sky API Forecast Optional Parameters

The ‘lang’ parameters returns the data in your preferred language. You can check out the supported languages under the “API Details” tab.

Dark Sky Details Supported Languages

The ‘extend’ parameter is used to return extended results for the interval forecasts. In the case of a value ‘hourly’, the API returns the  forecast with extended prediction for the next 168 hours (7 days).

Dark Sky Details Extended Hours

This parameter is not available for the “Time Machine” endpoint.

The ‘units’ parameter is used to select a specific unit for the weather parameters. The “API Details” tab has more information on the supported units and their interpretation in the returned response of the API.

Dark Sky Details Units

Finally, the ‘exclude’ parameter is used to omit one of the data blocks from the API response, either “currently,” “minutely,” “hourly,” or “daily.” It also accepts a comma-delimited string containing more than one data block.

API Pricing

The Dark Sky Weather API gives you 100 free API calls per month. Subscribe to the BASIC plan to test the endpoints as shown above.

Dark Sky API PricingConnect to API

Top Four Applications of Weather APIs

Let’s now see some real world weather API examples. These are not specifically Dark Sky Weather API examples but all the examples given below use one or the other weather API.

1. News Apps

All news channels cover weather conditions as part of their daily news broadcast. Their apps also have a separate tab for displaying weather data. Using a hosted weather API service like Dark Sky Weather API, mobile apps can easily retrieve and display weather information from the JSON data of API response.

News Apps with Weather display

Fox News App

2. Travel Apps

Weather updates are a must-have for travel planning apps. Be it a family vacation, road trip, or a hiking expedition. It’s always safe to be aware of the impending weather conditions and be prepared for it.

Travel Apps

Highway Weather App

3. Agriculture Apps

If you think you should worry about the weather only while going outdoors, then think again. Agriculture, which forms the genesis of human civilization, is the most weather dependent activity. Farmers and agriculturalists are always looking for favorable weather to plan their cultivation. However, their weather woes also extend to protecting the standing crops. Therefore, several companies have developed apps that integrate weather-based predictions and alerts for farmers. These apps also help the farmers in several other ways, such as improved operational planning with highly specific, farm-level forecasts.

Agriculture App with Weather Forecast

Ag Weather App

4. Weather Apps

And finally, you have standalone weather apps too. These are use case agnostic apps that provide weather data. Be it for gathering news, planning for a trip, or using the data as an agricultural input, the all-purpose weather apps are your best friend.

Weather Apps

Accu Weather

Time To Develop Your Unique Weather App

There is an emerging field of weather prediction that leverages machine learning. Machine learning is all about finding patterns and predicting them, and the weather is a perfect example of that due to its cyclical phenomena governed by seasons. Due to the climate crisis, every year, the weather parameters show a shift in their values. For instance, global warming is causing the summers to get hotter and hotter every year. By capturing such patterns over a range of historical dates, it is possible to predict specific weather conditions in advance that might have an adverse effect on our lives.

Traditionally, the weather prediction is done based on the data gathered from sensors installed on weather stations. More accurate predictions can be performed by incorporating machine learning.

The Dark Sky Weather API is well suited for these kinds of applications since it provides weather data for current and historical dates. It also covers all the requirements for the types of apps described above.

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So what are you waiting for? Get into your coding mojos and build that awesome weather app you have envisioned in your mind.

If you are looking for more options in weather API, then check out our Top 10 Weather APIs or head over to our Weather API Collection.

Weather API Collection

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