Weather forecast accuracy details for Napoleon, Ohio

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 (January)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   84.95% 72.04% 86.02% 86.02% 82.26%
Microsoft   70.59% 84.71% 76.25% 84.71% 79.06%
AerisWeather   83.87% 68.82% 78.49% 77.42% 77.15%
NWS Digital Forecast   81.72% 68.82% 76.34% 76.34% 75.81%
Weatherbit   72.83% 77.17% 73.91% 77.17% 75.27%
AccuWeather   72.73% 73.86% 76.14% 75.00% 74.43%
Pirate Weather   78.49% 59.14% 78.49% 78.49% 73.66%
OpenWeather   76.34% 65.59% 74.19% 74.19% 72.58%
World Weather Online   79.57% 67.74% 67.74% 67.74% 70.70%
Foreca/Vaisala   44.09% 75.27% 73.12% 73.12% 66.40%
Wetter   64.52% 65.59% 66.67% 65.59% 65.59%
Persistence   41.10% 36.49% 54.79% 54.79% 46.79%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   81.55% 76.26% 85.84% 85.84% 82.37%
Microsoft   79.72% 76.60% 84.34% 84.34% 81.25%
Foreca/Vaisala   76.71% 73.06% 85.57% 85.57% 80.23%
AccuWeather   79.91% 74.05% 81.80% 81.14% 79.22%
AerisWeather   76.35% 72.24% 81.64% 81.64% 77.97%
NWS Digital Forecast   75.97% 71.26% 77.91% 77.91% 75.76%
Weatherbit   72.35% 67.29% 75.82% 76.01% 72.87%
World Weather Online   57.71% 57.62% 78.86% 78.86% 68.26%
Wetter   55.43% 54.89% 80.00% 76.80% 66.78%
Pirate Weather   64.29% 38.10% 82.23% 82.23% 66.71%
OpenWeather   55.07% 50.50% 79.18% 79.18% 65.98%
Persistence   29.68% 27.72% 56.73% 56.73% 42.71%

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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