Weather forecast accuracy details for Roanoke, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.01% 77.01% 90.80% 90.80% 83.91%
Microsoft   83.33% 72.62% 88.10% 89.29% 83.33%
Weatherbit   75.86% 75.86% 90.80% 90.80% 83.33%
AccuWeather   74.03% 78.95% 85.71% 84.42% 80.78%
Foreca/Vaisala   70.11% 73.56% 87.36% 87.36% 79.60%
AerisWeather   72.41% 62.07% 90.80% 90.80% 79.02%
NWS Digital Forecast   69.41% 63.53% 78.82% 78.82% 72.65%
Open-Meteo   50.57% 49.43% 85.06% 85.06% 67.53%
World Weather Online   39.08% 45.98% 87.36% 87.36% 64.94%
OpenWeather   40.23% 45.98% 86.21% 86.21% 64.66%
Pirate Weather   40.23% 31.03% 88.51% 88.51% 62.07%
Wetter   33.33% 54.02% 77.01% 78.16% 60.63%
Persistence   23.33% 19.67% 58.33% 58.33% 39.92%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.09% 79.00% 88.22% 88.22% 83.88%
Microsoft   75.35% 75.70% 87.11% 87.11% 81.32%
Foreca/Vaisala   75.34% 74.43% 86.67% 86.67% 80.78%
AccuWeather   76.97% 78.31% 81.80% 81.71% 79.70%
AerisWeather   72.88% 73.33% 83.93% 84.02% 78.54%
Weatherbit   67.86% 70.11% 84.02% 83.93% 76.48%
NWS Digital Forecast   71.34% 69.40% 78.30% 78.30% 74.33%
Wetter   52.42% 65.30% 82.92% 79.36% 70.00%
OpenWeather   53.06% 46.85% 81.83% 81.83% 65.89%
Pirate Weather   55.00% 36.73% 85.58% 85.58% 65.73%
World Weather Online   50.14% 23.02% 79.66% 79.66% 58.12%
Persistence   27.69% 31.26% 55.89% 55.89% 42.68%

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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