Why is the Apple Weather App wrong for low temps in Albuquerque, NM? Low temp is always displays about 10 degrees too low.

Why is the Apple Weather App wrong for low temps in Albuquerque, NM?

Low temp is always displays about 10 degrees too low.

iPhone 4, iOS 6.1

Posted on Feb 14, 2013 3:46 PM

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7 replies

Feb 16, 2013 10:09 AM in response to FrankFurbo

The reason for the problematic weather prediction in Apple is simple and disturbing at the same time.

  1. 1. Traditionally Apple gets its weather data from Yahoo! they do so regardless to the fact that Yahoo is not a weather company, this arrangement has historical reasons (and it has nothing to do with the accuracy or quality of service you as a user are getting from Apple weather).😕
  2. 2. Yahoo! (not a weather company) gets its weather data from the Weather Channel.
  3. 3. Weather Channel CEO (David Kenny) also serves as Yahoo board member. So good luck changing the Weather Channel Yahoo agreement.😁
  4. 4. The iPhone build in weather app is one of the world most popular apps, The Weather Channel has no incentive to make the Apple weather app as accurate as The Weather Channel own app.

The result is – easy to use inaccurate weather app

Jul 31, 2013 7:30 AM in response to FrankFurbo

These forecasts are not accurate for London UK either. There is a systematic downward bias on the London summer temperature forecast of about 4 degrees. At most times of day, the forecast high displayed on my iphone is several degrees below the actual temperature, even in the morning. Currently iphone shows london actual 25C, and a maximum of 22C shown on the same screen. The forecast highs are several degrees below those provided by reputable organisations such as the UK met office. This consistent downward temperature forecast bias is a daily summer occurrence and has gone on for years. I have plenty of screencaps. I have tried to post on weather.com the simple suggestion that they monitor London forecasts against actuals out-turns and make the necessary bias correction. Despite taking the time, my posts have not been approved by the moderator. It's a pity yahoo weather is provided as a default. It probably explains why they have no incentive to improve the accuracy. I suggest switching to a proper weather app.

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Why is the Apple Weather App wrong for low temps in Albuquerque, NM? Low temp is always displays about 10 degrees too low.

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