Weather forecast accuracy details for Bismarck, North Dakota

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   62.22% 72.22% 87.78% 87.78% 77.50%
Weather Underground   62.22% 73.33% 81.11% 81.11% 74.44%
Foreca/Vaisala   55.56% 60.00% 91.11% 91.11% 74.44%
AccuWeather   65.52% 63.22% 78.16% 78.16% 71.26%
AerisWeather   56.32% 49.43% 85.06% 85.06% 68.97%
NWS Digital Forecast   55.17% 51.72% 81.61% 81.61% 67.53%
World Weather Online   58.89% 38.89% 81.11% 81.11% 65.00%
OpenWeather   54.44% 28.89% 87.78% 87.78% 64.72%
Weatherbit   48.31% 41.11% 83.15% 83.15% 63.93%
Dark Sky   60.00% 43.33% 71.11% 71.11% 61.39%
Wetter   56.67% 35.56% 77.78% 71.11% 60.28%
Weather News   55.56% 52.22% 63.33% 63.33% 58.61%
Persistence   14.52% 21.54% 45.16% 45.16% 31.59%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   68.18% 65.89% 85.65% 85.65% 76.34%
Weather Underground   68.65% 66.08% 83.43% 83.43% 75.39%
AccuWeather   66.42% 64.49% 79.28% 82.40% 73.15%
Foreca/Vaisala   61.04% 58.57% 86.34% 85.09% 72.76%
AerisWeather   57.21% 58.46% 84.77% 84.77% 71.30%
Dark Sky   63.64% 45.23% 83.43% 83.43% 68.93%
Wetter   54.73% 56.90% 80.19% 79.63% 67.86%
NWS Digital Forecast   57.32% 60.17% 76.90% 76.90% 67.82%
Weather News   53.71% 52.64% 76.20% 76.20% 64.69%
Weatherbit   48.78% 42.02% 80.47% 80.47% 62.93%
OpenWeather   46.38% 35.87% 79.81% 79.81% 60.47%
World Weather Online   46.23% 41.82% 76.79% 76.79% 60.41%
Persistence   21.66% 24.60% 61.32% 61.32% 42.23%

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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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