Weather forecast accuracy details for Downs, 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 (June)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AerisWeather   88.10% 84.52% 76.19% 76.19% 81.25%
Foreca   89.29% 83.33% 75.00% 75.00% 80.65%
The Weather Channel   82.14% 89.29% 72.62% 72.62% 79.17%
Weatherbit   78.57% 85.71% 76.19% 76.19% 79.17%
Microsoft   83.13% 79.52% 73.81% 73.81% 77.57%
Pirate Weather   89.29% 69.05% 73.81% 63.10% 73.81%
Wetter.com   71.43% 53.57% 93.33% 75.00% 73.33%
NWS Digital Forecast   90.48% 76.19% 60.71% 60.71% 72.02%
World Weather Online   66.67% 55.95% 66.67% 66.67% 63.99%
Persistence   64.29% 50.91% 69.64% 69.64% 63.62%
Open-Meteo   71.43% 48.81% 54.76% 54.76% 57.44%
OpenWeather   48.81% 45.24% 55.95% 55.95% 51.49%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.45% 74.60% 87.11% 87.11% 82.82%
Microsoft   78.52% 74.95% 85.95% 88.18% 81.90%
Weatherbit   78.41% 71.78% 85.04% 84.94% 80.04%
Foreca   76.38% 72.18% 85.62% 85.62% 79.95%
AerisWeather   75.26% 70.31% 84.41% 84.41% 78.59%
AccuWeather   79.45% 74.41% 80.11% 80.11% 78.52%
NWS Digital Forecast   76.45% 67.56% 74.95% 74.95% 73.48%
Pirate Weather   73.86% 38.00% 84.31% 84.31% 70.12%
Open-Meteo   63.40% 54.06% 79.74% 79.74% 69.23%
OpenWeather   53.59% 40.06% 78.71% 78.71% 62.77%
World Weather Online   50.14% 48.46% 75.72% 75.72% 62.51%
Wetter.com   48.37% 48.18% 74.04% 73.95% 61.13%
Persistence   33.95% 27.29% 58.70% 58.70% 44.66%

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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