Weather forecast accuracy details for Sugar Grove, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   68.24% 73.26% 89.41% 90.59% 80.37%
AccuWeather   67.47% 75.61% 91.57% 85.54% 80.05%
Foreca/Vaisala   57.47% 70.11% 93.10% 93.10% 78.45%
The Weather Channel   62.07% 67.82% 91.95% 91.95% 78.45%
Weatherbit   65.52% 60.92% 93.10% 93.10% 78.16%
AerisWeather   57.47% 47.13% 86.21% 86.21% 69.25%
NWS Digital Forecast   60.47% 51.16% 80.23% 80.23% 68.02%
Pirate Weather   60.92% 20.69% 88.51% 88.51% 64.66%
World Weather Online   59.77% 24.14% 86.21% 86.21% 64.08%
Open-Meteo   56.32% 34.48% 81.61% 81.61% 63.51%
OpenWeather   55.17% 27.59% 85.06% 85.06% 63.22%
Wetter   45.98% 34.48% 82.76% 82.76% 61.49%
Persistence   14.52% 26.56% 67.74% 67.74% 44.14%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.07% 70.16% 87.73% 87.73% 81.42%
Microsoft   73.14% 72.17% 86.13% 86.13% 79.39%
AccuWeather   76.36% 72.10% 83.65% 83.65% 78.94%
Foreca/Vaisala   71.17% 67.95% 86.54% 86.54% 78.05%
AerisWeather   73.74% 63.45% 86.08% 85.99% 77.31%
NWS Digital Forecast   74.33% 63.39% 79.56% 79.56% 74.21%
Weatherbit   72.01% 59.47% 79.51% 79.51% 72.63%
Pirate Weather   62.80% 32.32% 85.31% 85.31% 66.43%
World Weather Online   51.39% 52.64% 78.93% 78.93% 65.47%
Wetter   56.66% 48.85% 78.94% 75.82% 65.07%
OpenWeather   55.00% 40.04% 82.60% 82.60% 65.06%
Persistence   28.22% 22.87% 55.49% 55.49% 40.52%

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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