We had a question that came up when we comparing data from WeatherKit to other sources - WeatherKit visibility was well beyond the boundaries we had historically, even from Darksky. That raises two questions: is visibility actually in meters like the docs say? is this visibility at ground level, 500ft, or some other height? We were seeing visibility numbers of up to 40 miles (after converting the number the API sent to miles), where all of our other sources are usually within 10 miles

regarding forecastHourly payloads, what is the timezone of forecastStart? just want to confirm what we are seeing in the payloads

where can we find documentation on the following fields included in payloads? They're not listed alongside the other fields in the documentation linked below: https://developer.apple.com/documentation/weatherkitrestapi/hourweatherconditions precipitationIntensity snowfallAmount Or if we can get the data type, unit used, and description here that would be great

is there documentation where we can find details for historical parameters / limitations - so far i've found that the days limit on single API calls days limit is 7. Any other similar specs would be good to have

is using /api/v1/weather/{language}/{latitude}/{longitude} the correct way to retrieve historical weather data for a location? e.g. getting hourly weather data for Seattle from 2016-03-04 to 2016-03-11? https://developer.apple.com/documentation/weatherkitrestapi/get-api-v1-weather-_language_-_latitude_-_longitude_ this is pointed out in the API docs as being the method to pull hourly weather data for a specific location. It doesn't indicate wether it is for current weather or historical

I'm pretty new on this platform and also developing IOS mobile apps. I've been struggling for using the data of the api weather kit apple. I have an acount of apple developer, downloaded the certificate... i follow all the necessaries steps in the portal and also in my project and i keep having this error message when i try to use it. I don't know what else should i do for having working it. I would absolutely appreciate that someone could help me with this. Thank you very much!!!!! Encountered an error when fetching weather data subset; location=<+41.38268070,+2.17702390> +/- 0.00m (speed -1.00 mps / course -1.00) @ 2/3/25, 22:54:03 Central European Standard Time, error=WeatherDaemon.WDSJWTAuthenticatorServiceListener.Errors 2 Error Domain=WeatherDaemon.WDSJWTAuthenticatorServiceListener.Errors Code=2 "(null)"

I have an app that I configured correctly. Checked the WeatherKit for the App ID, and added the WeatherKit to the Entitlements, and verified the Bundle ID was correct. I am getting the following error: Failed to generate jwt token for: com.apple.weatherkit.authservice with error: Error Domain=WeatherDaemon.WDSJWTAuthenticatorServiceListener.Errors Code=2 "(null)" Encountered an error when fetching weather data subset; location=<+38.97170000,-95.23530000> +/- 0.00m (speed -1.00 mps / course -1.00) @ 3/1/25, 8:34:24 AM Central Standard Time, error=WeatherDaemon.WDSJWTAuthenticatorServiceListener.Errors 2 Error Domain=WeatherDaemon.WDSJWTAuthenticatorServiceListener.Errors Code=2 "(null)" I then made a super simple app that has a hard coded CLLocation and makes the single API call to get the weather and that fails with the same error. This error is still happening after 12 - 48 hours after creating the AppID. I have dumped the contents of the Provisioning Profile for both apps and the Entitlement section looks correct for both. I am not sure what is configured incorrectly, or what steps I should take next.

I have been struggling with getting accurate data from the weatherkit api. It tends to be just different enough from the weather app on the phone. While debugging this I randomly added forecastNextHour to my dataset string and it suddenly made everything match the app and the data looked good. For example there is at this moment a snow storm in Billings. This url: https://weatherkit.apple.com/api/v1/weather/en-US/45.79/-108.50?dataSets=currentWeather,forecastHourly,forecastNextHour&timezone=America/Denver&country=US says that there is heavy snow, and there is a 100% chance for the next few hours. This matches the iOS app. This url without forecastNextHour: https://weatherkit.apple.com/api/v1/weather/en-US/45.79/-108.50?dataSets=currentWeather,forecastHourly&timezone=America/Denver&country=US Says it is hazy and there is a small chance of snow of snow for the next few hours. Like 20-30 percent. This does not match any weather data I can find. I have even checked the forecastStart times and the current weather asOf time. They all match up and are accurate. Is there some unknown reason that without forecastNextHour the API becomes inaccurate? Thanks!

Background: We are using Apple WeatherKit for an app to fetch future weather data specialty cloudCover and condition and pretipitationChance from the Overnightforecast data from weatherResponse.dailyForecast.forecast array object. Code Sample: On xcode on Swift and Swift UI using Apple WeatherKit task{ do{ let weatherResponse= try await self.weatherService.forecast(for: latLong) let cloudCover = weatherResponse.dailyForecast.forecast[0].overnightforecast.cloudCover Issue: While we are on debug mode, we can literally see overnightforecast.cloudCover data (as well as condition and pretipitationChance) is available under from index 0 to index 10 of weatherResponse.dailyForecast.forecast array object but when we are trying to assign this property, its throwing error as "overnightforecast object not present under weatherResponse.dailyForecast.forecast array object" Attachment:

I just noticed something really odd with WeatherKit. If the temperate at midnight of the FOLLOWING day is colder than all temps in the day you want weather for then WeatherKit will report that as the low temperature for the day even though it's a different day. Here it's reporting the lowest temp for Feb 6 is 22F. But that's a temp from Feb 7. I'm displaying lowTemperature and lowTemperatureTime from DayWeather as well as the HourWeather in these examples. I wasn't sure if this was working as designed or a bug. I can provide raw data from this example. ----daily formatted start weather for Feb 6 High 41° high at Feb 6 at 2 PM Low 22° low at Feb 7 at 12 AM ----daily formatted end Feb 6 at 12 AM 34° Feb 6 at 1 AM 35° Feb 6 at 2 AM 36° Feb 6 at 3 AM 36° Feb 6 at 4 AM 36° Feb 6 at 5 AM 34° Feb 6 at 6 AM 33° Feb 6 at 7 AM 33° Feb 6 at 8 AM 33° Feb 6 at 9 AM 33° Feb 6 at 10 AM 35° Feb 6 at 11 AM 36° Feb 6 at 12 PM 38° Feb 6 at 1 PM 40° Feb 6 at 2 PM 41° Feb 6 at 3 PM 40° Feb 6 at 4 PM 39° Feb 6 at 5 PM 37° Feb 6 at 6 PM 36° Feb 6 at 7 PM 33° Feb 6 at 8 PM 31° Feb 6 at 9 PM 29° Feb 6 at 10 PM 27° Feb 6 at 11 PM 24° Feb 7 at 12 AM 22°