Weather forecast accuracy details for Casper, 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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   81.11% 53.33% 87.78% 87.78% 77.50%
The Weather Channel   81.72% 53.76% 87.10% 87.10% 77.42%
AccuWeather   75.56% 53.33% 86.67% 86.67% 75.56%
Foreca/Vaisala   73.12% 55.91% 83.87% 83.87% 74.19%
Wetter   53.76% 44.09% 84.95% 84.95% 66.94%
AerisWeather   63.33% 34.44% 84.44% 84.44% 66.67%
World Weather Online   61.29% 35.48% 83.87% 83.87% 66.13%
Dark Sky   53.76% 41.94% 83.87% 83.87% 65.86%
NWS Digital Forecast   60.22% 35.48% 82.80% 82.80% 65.32%
Weatherbit   53.33% 27.78% 85.56% 85.56% 63.06%
Weather News   54.84% 44.09% 74.19% 74.19% 61.83%
OpenWeather   51.61% 21.51% 81.72% 81.72% 59.14%
Persistence   20.97% 18.18% 35.48% 35.48% 27.53%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   76.35% 61.17% 85.19% 85.19% 76.97%
Weather Underground   76.10% 61.34% 83.19% 83.19% 75.96%
AccuWeather   74.67% 59.90% 77.84% 81.18% 73.40%
AerisWeather   71.71% 50.42% 85.24% 85.52% 73.22%
Foreca/Vaisala   66.20% 52.98% 84.83% 82.41% 71.60%
NWS Digital Forecast   72.60% 50.79% 80.02% 80.02% 70.86%
Weather News   61.01% 47.11% 72.54% 72.54% 63.30%
Weatherbit   62.23% 27.72% 81.55% 81.55% 63.26%
Wetter   60.17% 27.79% 79.77% 79.77% 61.88%
OpenWeather   61.45% 20.58% 82.59% 82.59% 61.80%
World Weather Online   60.15% 29.80% 77.31% 77.31% 61.14%
Dark Sky   42.64% 26.54% 83.43% 83.43% 59.01%
Persistence   28.61% 24.21% 52.73% 52.73% 39.57%

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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