Weather forecast accuracy details for Union, West Virginia

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 (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.46% 89.66% 78.16% 78.16% 81.61%
Microsoft   80.00% 80.00% 77.01% 77.01% 78.51%
AerisWeather   83.91% 75.86% 75.86% 75.86% 77.87%
Foreca   82.76% 74.71% 74.71% 74.71% 76.72%
AccuWeather   72.41% 85.06% 74.71% 73.56% 76.44%
Weatherbit   75.61% 71.95% 78.16% 78.16% 75.97%
Pirate Weather   85.06% 55.17% 71.26% 75.86% 71.84%
NWS Digital Forecast   65.52% 81.61% 67.82% 67.82% 70.69%
OpenWeather   75.86% 57.47% 74.71% 74.71% 70.69%
Open-Meteo   73.56% 44.83% 77.01% 77.01% 68.10%
Wetter.com   67.82% 68.97% 64.37% 64.37% 66.38%
World Weather Online   59.77% 43.68% 67.82% 67.82% 59.77%
Persistence   37.63% 24.73% 50.54% 50.54% 40.86%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.54% 81.22% 87.55% 87.55% 84.71%
Microsoft   80.86% 78.31% 86.81% 86.40% 83.10%
Weatherbit   81.18% 77.08% 84.48% 84.76% 81.87%
Foreca   78.03% 77.18% 85.11% 85.11% 81.36%
AerisWeather   77.37% 73.62% 86.89% 86.89% 81.19%
AccuWeather   80.00% 78.07% 83.00% 81.58% 80.66%
NWS Digital Forecast   72.75% 72.04% 76.92% 76.92% 74.66%
Pirate Weather   66.29% 44.54% 86.76% 86.76% 71.09%
Wetter.com   49.20% 64.13% 79.68% 78.84% 67.96%
Open-Meteo   60.66% 45.35% 81.74% 81.74% 67.37%
OpenWeather   57.46% 39.34% 80.34% 80.34% 64.37%
World Weather Online   54.74% 29.86% 77.25% 77.25% 59.77%
Persistence   33.52% 31.37% 60.11% 60.11% 46.28%

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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