Weather forecast accuracy details for Evanston, Wyoming

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 (September)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   91.11% 83.33% 86.67% 90.00% 87.78%
Foreca/Vaisala   92.22% 87.78% 83.33% 83.33% 86.67%
Weather Underground   94.44% 77.78% 83.33% 83.33% 84.72%
The Weather Channel   94.44% 76.67% 83.33% 83.33% 84.44%
Wetter   91.11% 75.56% 81.11% 81.11% 82.22%
World Weather Online   76.67% 78.89% 80.00% 80.00% 78.89%
OpenWeather   88.89% 50.00% 84.44% 84.44% 76.94%
AerisWeather   91.11% 32.22% 84.44% 84.44% 73.06%
NWS Digital Forecast   77.78% 20.00% 88.89% 88.89% 68.89%
Persistence   30.88% 29.58% 55.88% 55.88% 43.06%
Weather News   2.22% 0.00% 76.67% 0.00% 19.72%

Weather Forecast Accuracy Data Last Year (2020)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   85.37% 68.15% 86.94% 86.94% 81.85%
Weather Underground   85.37% 68.15% 86.57% 86.57% 81.67%
Foreca/Vaisala   83.89% 73.43% 82.41% 82.41% 80.53%
AccuWeather   82.96% 72.87% 80.83% 80.56% 79.31%
Wetter   56.83% 47.47% 86.82% 86.82% 69.48%
AerisWeather   78.70% 30.00% 76.85% 76.48% 65.51%
World Weather Online   62.58% 48.10% 73.07% 73.07% 64.21%
NWS Digital Forecast   75.00% 27.64% 76.60% 76.60% 63.96%
OpenWeather   54.07% 32.87% 79.17% 79.17% 61.32%
Persistence   34.37% 30.01% 65.10% 65.10% 48.64%
Weather News   10.43% 10.47% 85.89% 0.00% 26.70%

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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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