Weather forecast accuracy details for Grantsburg, 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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   83.33% 62.22% 90.00% 92.22% 81.94%
Weatherbit   76.67% 64.44% 85.56% 85.56% 78.06%
The Weather Channel   69.89% 59.14% 91.40% 91.40% 77.96%
AccuWeather   71.11% 65.56% 84.44% 81.11% 75.56%
Foreca/Vaisala   65.59% 60.22% 87.10% 87.10% 75.00%
NWS Digital Forecast   77.42% 60.22% 73.12% 73.12% 70.97%
Wetter   47.31% 45.16% 95.70% 95.70% 70.97%
Open-Meteo   56.99% 46.24% 88.17% 88.17% 69.89%
AerisWeather   66.67% 62.37% 74.19% 74.19% 69.35%
Pirate Weather   57.78% 25.56% 90.00% 90.00% 65.83%
World Weather Online   53.76% 45.16% 77.42% 77.42% 63.44%
OpenWeather   47.31% 24.73% 87.10% 87.10% 61.56%
Persistence   29.58% 20.83% 76.06% 76.06% 50.63%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   77.96% 69.54% 84.26% 84.26% 79.00%
The Weather Channel   76.89% 70.68% 84.20% 84.20% 79.00%
AccuWeather   76.49% 67.52% 83.03% 81.61% 77.16%
AerisWeather   71.60% 65.66% 82.47% 82.28% 75.50%
Foreca/Vaisala   73.33% 64.84% 80.91% 80.91% 75.00%
NWS Digital Forecast   71.63% 66.82% 75.19% 75.19% 72.20%
Weatherbit   67.01% 60.59% 72.03% 72.21% 67.96%
Wetter   56.53% 48.77% 79.91% 79.18% 66.10%
Pirate Weather   59.87% 38.20% 82.74% 82.74% 65.89%
OpenWeather   53.15% 42.47% 77.35% 77.35% 62.58%
World Weather Online   52.24% 48.71% 70.96% 70.96% 60.72%
Persistence   29.37% 25.24% 58.98% 58.98% 43.14%

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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