Weather forecast accuracy details for Springfield, Illinois

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   79.57% 77.42% 76.34% 76.34% 77.42%
The Weather Channel   79.57% 76.34% 76.34% 76.34% 77.15%
Foreca/Vaisala   77.42% 78.49% 76.34% 76.34% 77.15%
NWS Digital Forecast   75.27% 65.59% 73.12% 73.12% 71.77%
AccuWeather   78.89% 72.22% 67.78% 67.78% 71.67%
AerisWeather   70.00% 62.22% 75.56% 75.56% 70.83%
Dark Sky   72.04% 58.06% 74.19% 74.19% 69.62%
Wetter   80.65% 46.24% 72.04% 72.04% 67.74%
OpenWeather   68.82% 32.26% 75.27% 75.27% 62.90%
World Weather Online   53.76% 46.24% 73.12% 73.12% 61.56%
Weatherbit   62.22% 44.44% 68.89% 68.89% 61.11%
Weather News   51.61% 41.94% 64.52% 64.52% 55.65%
Persistence   15.15% 23.53% 59.09% 59.09% 39.22%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.58% 79.13% 85.96% 85.96% 82.41%
Weather Underground   78.76% 79.32% 85.23% 85.23% 82.13%
AccuWeather   79.55% 76.42% 87.19% 83.66% 81.71%
Foreca/Vaisala   76.73% 74.70% 84.24% 84.76% 80.11%
AerisWeather   74.91% 68.52% 81.85% 81.85% 76.78%
Dark Sky   74.79% 64.17% 82.36% 82.36% 75.92%
NWS Digital Forecast   77.16% 70.66% 77.70% 77.70% 75.80%
Wetter   55.96% 57.43% 79.22% 79.22% 67.96%
Weatherbit   55.35% 53.87% 78.15% 78.15% 66.38%
Weather News   62.88% 54.48% 66.57% 66.57% 62.63%
OpenWeather   56.51% 41.92% 75.35% 75.35% 62.28%
World Weather Online   48.38% 55.49% 72.48% 72.48% 62.21%
Persistence   33.69% 26.88% 58.78% 58.78% 44.53%

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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