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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.57% 80.65% 87.10% 87.10% 83.60%
AerisWeather   81.11% 72.22% 90.00% 90.00% 83.33%
Foreca/Vaisala   78.49% 74.19% 83.87% 83.87% 80.11%
Weather Underground   78.49% 79.57% 79.57% 79.57% 79.30%
Dark Sky   68.82% 52.69% 89.25% 89.25% 75.00%
AccuWeather   90.00% 75.56% 66.67% 66.67% 74.72%
NWS Digital Forecast   80.65% 69.89% 73.12% 73.12% 74.19%
World Weather Online   60.22% 39.78% 81.72% 81.72% 65.86%
OpenWeather   65.59% 26.88% 83.87% 83.87% 65.05%
Wetter   69.89% 31.18% 74.19% 74.19% 62.37%
Weatherbit   51.69% 33.71% 75.28% 75.28% 58.99%
Weather News   58.06% 38.71% 58.06% 58.06% 53.23%
Persistence   25.76% 26.47% 59.09% 59.09% 42.60%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.70% 78.24% 84.07% 84.07% 81.27%
Weather Underground   78.70% 78.52% 81.94% 81.94% 80.28%
AccuWeather   78.37% 75.74% 79.10% 78.37% 77.89%
Foreca/Vaisala   75.19% 72.87% 82.04% 81.11% 77.80%
AerisWeather   69.08% 70.66% 80.50% 80.50% 75.19%
Dark Sky   64.44% 65.09% 82.96% 82.96% 73.87%
NWS Digital Forecast   67.13% 67.04% 77.16% 77.16% 72.12%
Wetter   41.48% 51.57% 75.56% 75.56% 61.04%
Weatherbit   46.02% 47.66% 72.87% 72.87% 59.85%
World Weather Online   40.93% 51.67% 72.41% 72.41% 59.35%
OpenWeather   43.06% 39.35% 76.76% 76.76% 58.98%
Weather News   51.11% 44.81% 62.22% 62.22% 55.09%
Persistence   34.30% 27.10% 56.19% 56.19% 43.45%

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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