Weather forecast accuracy details for Harrisonburg, 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 (January)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   95.70% 76.34% 93.55% 93.55% 89.78%
Microsoft   81.72% 56.99% 88.17% 92.47% 79.84%
AerisWeather   78.49% 61.29% 88.17% 89.25% 79.30%
Weatherbit   82.42% 46.74% 92.31% 92.31% 78.44%
AccuWeather   81.72% 60.22% 87.10% 81.72% 77.69%
Foreca/Vaisala   72.04% 55.91% 88.17% 88.17% 76.08%
Pirate Weather   77.42% 30.11% 97.85% 97.85% 75.81%
Open-Meteo   73.12% 44.09% 91.40% 91.40% 75.00%
Wetter.com   61.29% 51.61% 91.40% 91.40% 73.92%
OpenWeather   74.19% 40.86% 90.32% 90.32% 73.92%
NWS Digital Forecast   79.35% 42.39% 86.96% 86.96% 73.91%
World Weather Online   65.59% 41.94% 82.80% 82.80% 68.28%
Persistence   21.67% 15.52% 70.00% 70.00% 44.30%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.49% 79.47% 87.23% 87.23% 84.10%
Microsoft   80.80% 78.31% 84.83% 86.41% 82.59%
Foreca/Vaisala   79.00% 76.08% 86.38% 86.38% 81.96%
AerisWeather   77.40% 73.54% 86.95% 86.76% 81.16%
AccuWeather   78.99% 79.45% 81.43% 81.90% 80.44%
Weatherbit   79.90% 71.77% 82.63% 82.82% 79.28%
NWS Digital Forecast   74.49% 72.46% 78.62% 78.62% 76.05%
Pirate Weather   63.08% 38.34% 84.27% 84.27% 67.49%
Open-Meteo   53.95% 53.01% 80.28% 80.28% 66.88%
OpenWeather   51.98% 42.94% 78.50% 78.50% 62.98%
Wetter.com   46.52% 51.88% 76.15% 75.21% 62.44%
World Weather Online   50.56% 46.52% 76.34% 76.34% 62.44%
Persistence   32.29% 30.28% 63.98% 63.98% 47.63%

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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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