Weather forecast accuracy details for Bristol, 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 (September)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   90.00% 92.22% 86.67% 88.89% 89.44%
The Weather Channel   88.89% 90.00% 85.56% 85.56% 87.50%
Weather Underground   86.67% 90.00% 84.44% 84.44% 86.39%
Foreca/Vaisala   81.11% 90.00% 82.22% 82.22% 83.89%
AerisWeather   68.89% 85.56% 86.67% 86.67% 81.94%
NWS Digital Forecast   70.11% 86.21% 74.71% 74.71% 76.44%
Wetter   44.44% 84.44% 85.56% 85.56% 75.00%
OpenWeather   46.67% 50.00% 78.89% 78.89% 63.61%
World Weather Online   15.56% 65.56% 75.56% 75.56% 58.06%
Persistence   54.41% 38.03% 52.94% 52.94% 49.58%
Weather News   1.11% 65.56% 73.33% 0.00% 35.00%

Weather Forecast Accuracy Data Last Year (2020)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.77% 81.94% 81.71% 81.71% 82.03%
Weather Underground   82.77% 81.94% 78.74% 78.74% 80.55%
Foreca/Vaisala   76.72% 80.82% 79.85% 79.85% 79.31%
AccuWeather   79.80% 81.66% 77.53% 77.81% 79.20%
AerisWeather   68.25% 72.63% 77.62% 77.62% 74.03%
NWS Digital Forecast   68.86% 73.85% 72.51% 72.51% 71.93%
Wetter   58.71% 61.99% 73.86% 73.86% 67.10%
OpenWeather   63.78% 49.63% 76.60% 76.60% 66.65%
World Weather Online   58.92% 56.30% 70.76% 70.76% 64.19%
Persistence   34.11% 31.57% 53.20% 53.20% 43.02%
Weather News   9.24% 48.41% 49.85% 0.00% 26.88%

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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