Weather forecast accuracy details for Billings, Montana

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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   63.44% 48.39% 78.49% 78.49% 67.20%
Weather Underground   65.59% 48.39% 72.04% 72.04% 64.52%
AccuWeather   62.22% 46.67% 67.78% 67.78% 61.11%
Foreca/Vaisala   65.59% 43.01% 67.74% 67.74% 61.02%
Dark Sky   54.84% 38.71% 73.12% 73.12% 59.95%
AerisWeather   64.44% 26.67% 71.11% 72.22% 58.61%
NWS Digital Forecast   63.44% 32.26% 60.22% 60.22% 54.03%
Wetter   34.41% 18.28% 72.04% 72.04% 49.19%
OpenWeather   27.96% 23.66% 66.67% 66.67% 46.24%
Weatherbit   34.78% 18.28% 63.04% 63.04% 44.79%
World Weather Online   30.11% 13.98% 59.14% 59.14% 40.59%
Persistence   23.08% 14.71% 53.85% 53.85% 36.37%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   73.43% 49.91% 85.28% 85.28% 73.47%
Weather Underground   73.80% 49.63% 83.61% 83.61% 72.66%
AccuWeather   73.50% 52.29% 80.49% 79.12% 71.35%
Foreca/Vaisala   71.11% 49.72% 79.31% 77.96% 69.53%
AerisWeather   68.25% 39.57% 79.33% 79.42% 66.64%
NWS Digital Forecast   70.01% 44.66% 70.91% 70.91% 64.12%
Dark Sky   48.98% 34.54% 81.39% 81.39% 61.57%
Wetter   45.68% 30.86% 81.20% 81.20% 59.73%
Weatherbit   49.21% 28.73% 77.07% 77.07% 58.02%
OpenWeather   46.94% 29.54% 73.52% 73.52% 55.88%
World Weather Online   41.57% 29.17% 66.85% 66.85% 51.11%
Persistence   23.91% 25.12% 58.46% 58.46% 41.49%

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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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