Weather forecast accuracy details for Martinsburg, Pennsylvania

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   73.12% 68.82% 98.92% 98.92% 84.95%
Dark Sky   81.72% 60.22% 97.85% 97.85% 84.41%
Weather Underground   73.12% 68.82% 95.70% 95.70% 83.33%
AerisWeather   76.34% 60.22% 94.62% 94.62% 81.45%
Foreca/Vaisala   66.67% 66.67% 88.17% 88.17% 77.42%
AccuWeather   64.52% 64.52% 88.17% 88.17% 76.34%
Wetter   75.27% 47.31% 87.10% 87.10% 74.19%
World Weather Online   56.99% 45.16% 94.62% 94.62% 72.85%
OpenWeather   76.34% 23.66% 89.25% 89.25% 69.62%
NWS Digital Forecast   64.52% 48.39% 74.19% 74.19% 65.32%
Weather News   37.63% 54.84% 77.42% 77.42% 61.83%
Weatherbit   67.78% 31.87% 73.33% 73.33% 61.58%
Persistence   30.43% 13.70% 31.88% 31.88% 26.98%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   81.19% 76.53% 86.48% 86.48% 82.67%
Weather Underground   81.46% 76.62% 84.20% 84.20% 81.62%
AccuWeather   79.26% 75.09% 83.78% 81.48% 79.90%
Foreca/Vaisala   73.24% 71.14% 83.84% 83.84% 78.01%
AerisWeather   73.42% 69.59% 81.83% 81.74% 76.64%
Dark Sky   71.14% 52.51% 85.66% 85.66% 73.74%
NWS Digital Forecast   72.24% 67.00% 73.90% 73.90% 71.76%
Wetter   56.89% 49.22% 77.63% 77.63% 65.34%
OpenWeather   58.08% 37.63% 81.74% 81.74% 64.79%
World Weather Online   56.44% 45.57% 78.17% 78.17% 64.59%
Weather News   56.87% 43.96% 74.91% 74.91% 62.66%
Weatherbit   62.29% 32.22% 73.84% 73.84% 60.55%
Persistence   30.43% 22.25% 45.17% 45.17% 35.76%

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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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