Weather forecast accuracy details for Belgrade, 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
Microsoft   46.67% 64.44% 81.11% 81.11% 68.33%
The Weather Channel   36.67% 47.78% 81.11% 81.11% 61.67%
AerisWeather   38.89% 48.89% 76.67% 75.56% 60.00%
Foreca   35.56% 44.44% 77.78% 77.78% 58.89%
NWS Digital Forecast   42.22% 38.89% 74.44% 74.44% 57.50%
Weatherbit   38.89% 41.11% 74.44% 74.44% 57.22%
OpenWeather   40.00% 17.78% 81.11% 81.11% 55.00%
Open-Meteo   42.22% 21.11% 74.44% 74.44% 53.06%
Pirate Weather   30.00% 17.78% 74.44% 76.67% 49.72%
World Weather Online   26.67% 25.56% 66.67% 66.67% 46.39%
Wetter.com   28.89% 25.56% 57.78% 65.56% 44.44%
Persistence   21.11% 16.67% 47.78% 47.78% 33.33%

Weather Forecast Accuracy Data Last Year (2025)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   76.87% 68.79% 83.46% 83.95% 78.27%
The Weather Channel   69.31% 61.47% 82.60% 82.60% 74.00%
Foreca   68.48% 60.94% 82.91% 82.91% 73.81%
AerisWeather   68.77% 60.36% 82.91% 81.86% 73.47%
Weatherbit   64.85% 57.12% 80.63% 80.63% 70.81%
NWS Digital Forecast   67.76% 54.76% 72.54% 72.54% 66.90%
Pirate Weather   57.85% 32.57% 83.33% 80.76% 63.63%
Open-Meteo   58.74% 37.63% 77.40% 77.40% 62.79%
OpenWeather   55.49% 36.58% 74.55% 74.55% 60.29%
World Weather Online   39.35% 37.82% 74.74% 74.74% 56.66%
Wetter.com   48.04% 37.73% 67.24% 70.75% 55.94%
Persistence   26.75% 29.48% 57.75% 57.75% 42.93%

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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