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
The Weather Channel   100.00% 91.11% 95.56% 95.56% 95.56%
Weather Underground   100.00% 91.11% 95.56% 95.56% 95.56%
MeteoGroup   96.67% 91.11% 94.44% 94.44% 94.17%
AccuWeather   94.44% 96.67% 92.22% 91.11% 93.61%
Foreca   90.80% 87.36% 95.40% 95.40% 92.24%
NWS Digital Forecast   83.33% 94.44% 86.67% 86.67% 87.78%
World Weather Online   75.56% 57.78% 96.67% 96.67% 81.67%
Dark Sky (forecast.io)   91.11% 56.67% 88.89% 88.89% 81.39%
Persistence   31.18% 47.31% 93.55% 93.55% 66.40%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   87.83% 83.59% 87.22% 86.50% 86.29%
MeteoGroup   83.66% 80.86% 89.45% 89.36% 85.83%
The Weather Channel   85.53% 76.56% 88.80% 88.80% 84.92%
Weather Underground   85.53% 73.95% 88.70% 88.70% 84.22%
Foreca   80.56% 75.77% 87.98% 87.98% 83.08%
NWS Digital Forecast   77.84% 79.17% 82.77% 82.58% 80.59%
World Weather Online   75.26% 63.90% 87.77% 87.77% 78.68%
Dark Sky (forecast.io)   68.07% 48.83% 89.45% 89.45% 73.95%
Persistence   46.75% 46.86% 78.61% 78.61% 62.71%
 
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The data here is calculated from forecasts and observations collected and analyzed by ForecastWatch. If you would like more information about the methods, scientific approach, and the quality controls employed to ensure the data and analyses are of the highest quality, please read this white paper.

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