Weather forecast accuracy details for Valparaiso, 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
Foreca/Vaisala   68.97% 59.77% 86.21% 86.21% 75.29%
AccuWeather   66.27% 60.98% 83.13% 84.34% 73.68%
Microsoft   77.11% 61.90% 75.90% 78.31% 73.31%
NWS Digital Forecast   70.11% 55.17% 81.61% 81.61% 72.13%
AerisWeather   57.47% 52.87% 88.51% 88.51% 71.84%
Weatherbit   67.82% 51.72% 83.91% 83.91% 71.84%
The Weather Channel   68.97% 58.62% 78.16% 78.16% 70.98%
Open-Meteo   60.92% 44.83% 85.06% 85.06% 68.97%
World Weather Online   57.47% 36.78% 79.31% 79.31% 63.22%
Wetter   55.17% 39.08% 77.01% 79.31% 62.64%
OpenWeather   62.07% 21.84% 80.46% 80.46% 61.21%
Pirate Weather   59.77% 26.44% 79.31% 79.31% 61.21%
Persistence   17.74% 23.44% 51.61% 51.61% 36.10%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.00% 82.28% 85.57% 85.57% 83.36%
Microsoft   75.05% 81.45% 83.08% 83.08% 80.66%
Foreca/Vaisala   71.87% 79.73% 84.38% 84.38% 80.09%
AerisWeather   75.07% 79.09% 82.37% 82.19% 79.68%
AccuWeather   73.93% 80.68% 79.62% 80.28% 78.63%
NWS Digital Forecast   75.12% 78.54% 77.24% 77.24% 77.04%
Weatherbit   72.85% 75.37% 77.15% 77.15% 75.63%
World Weather Online   53.49% 62.08% 79.85% 79.85% 68.82%
OpenWeather   54.06% 50.78% 81.92% 81.92% 67.17%
Pirate Weather   61.17% 41.58% 82.42% 82.42% 66.90%
Wetter   55.62% 60.18% 77.08% 73.79% 66.67%
Persistence   28.33% 26.63% 56.40% 56.40% 41.94%

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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