5-day weather forecast for Mesa, Arizona

Weather forecast accuracy details for Phoenix, Arizona

These are the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). Temperature accuracy is the percentage of forecasts within three degrees. Precipitation accuracy is the percentage of correct forecasts. The forecasts are collected in the evening.

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Weather Forecast Accuracy Data Last Month
Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   89.29% 79.76% 100.00% 100.00% 92.26%
The Weather Channel   89.29% 79.76% 98.81% 98.81% 91.67%
MeteoGroup   90.48% 69.05% 95.24% 95.24% 87.50%
Foreca   90.48% 63.86% 97.62% 97.62% 87.39%
National Weather Service   88.10% 77.38% 91.67% 91.67% 87.20%
WeatherBug   86.90% 66.67% 97.62% 97.62% 87.20%
CustomWeather   79.01% 69.14% 97.53% 97.53% 85.80%
Dark Sky (forecast.io)   75.00% 61.90% 96.43% 96.43% 82.44%
Persistence   48.81% 63.10% 100.00% 100.00% 77.98%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   87.28% 80.22% 93.96% 93.96% 88.86%
MeteoGroup   86.35% 80.13% 93.59% 93.50% 88.39%
WeatherBug   82.23% 76.98% 93.41% 93.41% 86.51%
Weather Underground   77.53% 72.89% 93.50% 87.84% 82.94%
Foreca   82.54% 67.32% 90.20% 90.20% 82.56%
CustomWeather   73.63% 73.26% 88.95% 88.95% 81.20%
National Weather Service   84.97% 53.97% 86.55% 86.46% 77.99%
Persistence   44.82% 45.47% 89.36% 89.36% 67.25%
 
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