Weather forecast accuracy details for Arizona City, 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 (July)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   80.65% 73.12% 87.10% 87.10% 81.99%
The Weather Channel   81.72% 66.67% 89.25% 89.25% 81.72%
Weather Underground   81.72% 66.67% 89.25% 89.25% 81.72%
Dark Sky   84.95% 66.67% 83.87% 83.87% 79.84%
Weather News   84.95% 64.52% 81.72% 81.72% 78.23%
Wetter   79.57% 75.27% 70.97% 82.80% 77.15%
AccuWeather   84.44% 72.22% 75.56% 75.56% 76.94%
AerisWeather   88.17% 67.74% 73.12% 73.12% 75.54%
Weatherbit   82.80% 46.24% 86.02% 86.02% 75.27%
NWS Digital Forecast   91.40% 66.67% 58.06% 58.06% 68.55%
OpenWeather   86.02% 60.22% 50.54% 50.54% 61.83%
Persistence   56.52% 51.47% 60.87% 60.87% 57.43%
World Weather Online   61.29% 62.37% 52.69% 52.69% 57.26%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   91.64% 86.30% 95.45% 92.39% 91.45%
Weather Underground   90.53% 82.08% 92.01% 92.01% 89.16%
The Weather Channel   90.53% 80.69% 92.66% 92.66% 89.14%
AerisWeather   86.94% 77.61% 91.42% 91.42% 86.85%
Foreca/Vaisala   84.77% 77.90% 90.32% 90.99% 86.00%
Wetter   84.96% 72.42% 92.20% 92.11% 85.42%
NWS Digital Forecast   88.15% 75.09% 87.03% 87.03% 84.33%
Dark Sky   85.14% 67.69% 92.20% 92.20% 84.31%
Weather News   79.29% 77.25% 88.86% 88.86% 83.57%
Weatherbit   77.97% 42.62% 90.71% 90.71% 75.50%
OpenWeather   77.25% 30.83% 88.21% 88.21% 71.12%
World Weather Online   63.78% 24.95% 90.04% 90.04% 67.20%
Persistence   45.08% 42.14% 82.29% 82.29% 62.95%

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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 overview.

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