Weather forecast accuracy details for Jamestown, 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 (January)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   62.37% 61.29% 93.55% 93.55% 77.69%
Foreca/Vaisala   63.44% 62.37% 84.95% 84.95% 73.92%
AccuWeather   67.05% 52.27% 87.50% 88.64% 73.86%
Microsoft   68.60% 49.44% 82.50% 86.05% 71.65%
Wetter   38.71% 40.86% 91.40% 91.40% 65.59%
Open-Meteo   49.46% 39.78% 86.02% 86.02% 65.32%
AerisWeather   58.06% 47.31% 75.27% 75.27% 63.98%
NWS Digital Forecast   54.84% 40.86% 77.42% 77.42% 62.63%
Pirate Weather   46.24% 25.81% 89.25% 89.25% 62.63%
Weatherbit   53.76% 44.09% 75.27% 75.27% 62.10%
OpenWeather   44.09% 30.11% 86.02% 86.02% 61.56%
World Weather Online   37.63% 44.09% 70.97% 70.97% 55.91%
Persistence   33.78% 22.67% 66.22% 66.22% 47.22%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   74.01% 68.04% 85.12% 85.12% 78.08%
Microsoft   71.83% 69.59% 85.26% 85.26% 77.99%
AccuWeather   69.88% 63.62% 83.60% 82.17% 74.82%
Foreca/Vaisala   67.49% 64.00% 83.20% 83.20% 74.47%
AerisWeather   64.46% 61.07% 83.20% 83.38% 73.03%
NWS Digital Forecast   55.14% 62.34% 76.24% 76.24% 67.49%
Wetter   50.69% 50.51% 81.63% 80.99% 65.96%
Weatherbit   58.68% 66.04% 69.31% 69.22% 65.81%
Pirate Weather   52.03% 33.33% 83.24% 83.24% 62.96%
World Weather Online   46.11% 53.22% 71.76% 71.76% 60.71%
OpenWeather   46.19% 39.94% 76.77% 76.77% 59.92%
Persistence   28.91% 29.08% 57.57% 57.57% 43.28%

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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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