Weather forecast accuracy details for Sylvester, 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   94.62% 90.32% 87.10% 87.10% 89.78%
AccuWeather   84.95% 91.40% 86.02% 82.80% 86.29%
Microsoft   88.51% 86.21% 83.33% 83.33% 85.34%
Weatherbit   87.10% 78.49% 84.95% 84.95% 83.87%
AerisWeather   80.65% 86.02% 83.87% 83.87% 83.60%
Foreca   79.57% 86.02% 83.87% 83.87% 83.33%
Pirate Weather   79.57% 43.01% 87.10% 83.87% 73.39%
NWS Digital Forecast   67.74% 82.80% 69.89% 69.89% 72.58%
OpenWeather   60.22% 46.24% 80.65% 80.65% 66.94%
Open-Meteo   65.59% 46.24% 76.34% 76.34% 66.13%
World Weather Online   60.22% 33.33% 73.12% 73.12% 59.95%
Wetter.com   54.84% 55.91% 61.29% 61.29% 58.33%
Persistence   35.48% 33.33% 47.31% 47.31% 40.86%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   75.42% 78.27% 85.76% 87.02% 81.62%
The Weather Channel   80.21% 71.71% 87.02% 87.02% 81.49%
Foreca   75.63% 71.80% 86.83% 86.83% 80.28%
AccuWeather   77.65% 76.59% 80.78% 80.87% 78.97%
AerisWeather   73.95% 69.93% 85.90% 85.81% 78.90%
Weatherbit   78.18% 66.76% 82.49% 82.49% 77.48%
NWS Digital Forecast   73.85% 68.56% 77.15% 77.15% 74.18%
Open-Meteo   64.61% 47.99% 81.98% 81.98% 69.14%
Pirate Weather   71.34% 36.51% 83.75% 83.75% 68.84%
OpenWeather   59.48% 47.25% 82.26% 82.26% 67.81%
World Weather Online   54.78% 49.25% 77.90% 77.90% 64.96%
Wetter.com   45.28% 47.71% 70.68% 69.56% 58.31%
Persistence   29.40% 24.81% 56.12% 56.12% 41.61%

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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