Weather forecast accuracy details for Madison, Wisconsin

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 (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   59.14% 79.57% 78.49% 78.49% 73.92%
Foreca/Vaisala   64.52% 74.19% 78.49% 78.49% 73.92%
The Weather Channel   59.14% 79.57% 76.34% 76.34% 72.85%
AccuWeather   60.22% 78.49% 72.04% 72.04% 70.70%
AerisWeather   52.69% 66.67% 74.19% 74.19% 66.94%
Dark Sky   62.37% 64.52% 69.89% 69.89% 66.67%
Weather News   46.24% 59.14% 77.42% 77.42% 65.05%
NWS Digital Forecast   53.76% 67.74% 56.99% 56.99% 58.87%
Weatherbit   50.54% 26.37% 74.19% 74.19% 56.32%
World Weather Online   49.46% 50.54% 56.99% 56.99% 53.49%
OpenWeather   34.41% 40.86% 56.99% 56.99% 47.31%
Persistence   26.15% 18.46% 46.15% 46.15% 34.23%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.80% 68.06% 83.98% 83.98% 78.70%
Weather Underground   78.33% 68.52% 81.57% 81.57% 77.50%
Foreca/Vaisala   71.11% 59.91% 84.72% 85.56% 75.32%
Dark Sky   76.39% 58.52% 81.94% 81.94% 74.70%
AccuWeather   76.50% 65.55% 77.84% 77.53% 74.35%
AerisWeather   73.26% 61.28% 78.92% 79.02% 73.12%
NWS Digital Forecast   75.07% 63.49% 75.23% 75.23% 72.26%
Weather News   64.17% 46.94% 69.54% 69.54% 62.55%
Weatherbit   55.31% 41.56% 75.96% 75.96% 62.20%
OpenWeather   55.93% 38.61% 71.57% 71.57% 59.42%
World Weather Online   50.00% 48.15% 68.43% 68.43% 58.75%
Persistence   34.55% 25.52% 58.29% 58.29% 44.16%

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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