Weather forecast accuracy details for Thermal, California

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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   92.22% 45.56% 93.33% 93.33% 81.11%
Weather Underground   92.22% 45.56% 93.33% 93.33% 81.11%
AerisWeather   91.11% 35.56% 91.11% 91.11% 77.22%
NWS Digital Forecast   92.22% 32.22% 88.89% 88.89% 75.56%
Foreca/Vaisala   82.22% 35.56% 92.22% 92.22% 75.56%
AccuWeather   79.78% 44.44% 88.76% 87.64% 75.16%
Persistence   56.72% 50.00% 89.55% 89.55% 71.46%
Dark Sky   80.00% 17.78% 93.33% 93.33% 71.11%
Weatherbit   78.89% 16.67% 91.11% 91.11% 69.44%
World Weather Online   67.78% 24.44% 84.44% 84.44% 65.28%
OpenWeather   81.11% 5.56% 83.33% 83.33% 63.33%
Wetter   54.44% 5.56% 87.78% 87.78% 58.89%
Weather News   5.56% 18.89% 90.00% 90.00% 51.11%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   87.52% 42.64% 97.58% 97.58% 81.33%
Weather Underground   87.06% 42.74% 97.30% 97.30% 81.10%
AccuWeather   88.32% 42.64% 97.16% 94.35% 80.62%
Foreca/Vaisala   75.51% 44.32% 96.33% 96.37% 78.13%
AerisWeather   82.17% 35.57% 93.28% 93.28% 76.07%
NWS Digital Forecast   82.35% 33.80% 90.05% 90.05% 74.06%
Dark Sky   70.58% 29.24% 97.49% 97.49% 73.70%
Weatherbit   64.90% 26.26% 97.02% 97.02% 71.30%
World Weather Online   45.85% 34.45% 91.50% 91.50% 65.83%
Persistence   46.76% 32.25% 91.30% 91.30% 65.40%
OpenWeather   57.91% 13.97% 92.92% 92.92% 64.43%
Wetter   41.81% 11.73% 96.65% 96.65% 61.71%
Weather News   3.72% 17.41% 96.93% 96.93% 53.75%

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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