Weather forecast accuracy details for Mesa, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   94.25% 89.66% 98.85% 98.85% 95.40%
Weatherbit   90.80% 89.66% 100.00% 100.00% 95.11%
Foreca/Vaisala   91.95% 86.21% 97.70% 97.70% 93.39%
AccuWeather   97.59% 81.71% 95.18% 96.39% 92.72%
Microsoft   87.34% 82.50% 100.00% 98.73% 92.14%
AerisWeather   95.40% 90.80% 90.80% 90.80% 91.95%
NWS Digital Forecast   95.35% 88.37% 91.86% 91.86% 91.86%
Open-Meteo   82.76% 34.48% 94.25% 94.25% 76.44%
OpenWeather   83.91% 16.09% 97.70% 97.70% 73.85%
Pirate Weather   74.71% 22.99% 98.85% 98.85% 73.85%
Wetter   78.16% 36.78% 91.95% 83.91% 72.70%
World Weather Online   45.98% 27.59% 90.80% 90.80% 63.79%
Persistence   45.31% 33.33% 70.31% 70.31% 54.82%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   92.51% 82.83% 95.98% 95.98% 91.83%
AccuWeather   92.61% 81.72% 93.84% 93.65% 90.45%
Foreca/Vaisala   92.05% 81.00% 93.97% 93.97% 90.25%
Microsoft   88.99% 82.01% 93.02% 93.02% 89.26%
AerisWeather   91.23% 82.37% 91.14% 91.14% 88.97%
NWS Digital Forecast   91.80% 76.77% 87.19% 87.19% 85.74%
Weatherbit   88.67% 60.15% 94.79% 94.79% 84.60%
Wetter   83.84% 35.80% 94.52% 94.16% 77.08%
Pirate Weather   82.42% 33.06% 95.15% 95.15% 76.44%
OpenWeather   81.55% 31.87% 89.95% 89.95% 73.33%
World Weather Online   58.17% 40.97% 90.26% 90.26% 69.91%
Persistence   47.14% 47.20% 83.11% 83.11% 65.14%

If this data feeds your inner weather geek, you'll probably be interested in the amazing amount of weather data available from ForecastWatch. Likewise, if you're looking to assess your own forecasting accuracy or would like to make more informed decisions about a weather provider you're considering or already use, we can provide data to help you.

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 overview.

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