Weather forecast accuracy details for Lafayette, Indiana

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
Weather Underground   67.86% 70.24% 92.86% 92.86% 80.95%
The Weather Channel   66.67% 70.24% 89.29% 89.29% 78.87%
AccuWeather   64.00% 62.67% 90.67% 90.67% 77.00%
Foreca/Vaisala   60.71% 60.71% 85.71% 85.71% 73.21%
AerisWeather   54.76% 54.76% 89.29% 89.29% 72.02%
Dark Sky   58.33% 54.76% 86.90% 86.90% 71.73%
Wetter   57.14% 35.71% 92.86% 92.86% 69.64%
NWS Digital Forecast   55.56% 59.26% 80.25% 80.25% 68.83%
World Weather Online   52.38% 42.86% 84.52% 84.52% 66.07%
Weather News   47.62% 46.43% 83.33% 83.33% 65.18%
OpenWeather   57.14% 22.62% 85.71% 85.71% 62.80%
Weatherbit   56.96% 19.75% 79.75% 79.75% 59.05%
Persistence   16.67% 20.00% 60.00% 60.00% 39.17%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   77.66% 73.99% 86.48% 86.48% 81.15%
The Weather Channel   78.11% 73.44% 86.48% 86.48% 81.13%
AccuWeather   76.44% 72.98% 80.89% 83.15% 78.36%
AerisWeather   73.44% 66.30% 82.47% 82.28% 76.12%
Foreca/Vaisala   71.06% 67.49% 80.91% 80.91% 75.09%
Dark Sky   74.08% 55.22% 82.74% 82.74% 73.70%
NWS Digital Forecast   73.12% 67.28% 73.20% 73.20% 71.70%
Wetter   57.23% 48.81% 84.11% 84.11% 68.57%
Weather News   60.61% 50.69% 78.02% 78.02% 66.83%
World Weather Online   58.70% 55.49% 72.97% 72.97% 65.03%
Weatherbit   64.73% 31.83% 77.46% 77.46% 62.87%
OpenWeather   56.96% 38.19% 74.52% 74.52% 61.05%
Persistence   29.88% 20.87% 55.22% 55.22% 40.30%

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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