Weather forecast accuracy details for Atlanta, Georgia

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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   90.32% 86.02% 96.77% 96.77% 92.47%
Weather Underground   90.32% 87.10% 92.47% 92.47% 90.59%
Foreca/Vaisala   84.95% 82.80% 92.47% 92.47% 88.17%
AccuWeather   65.22% 70.97% 90.22% 91.30% 79.43%
AerisWeather   75.27% 52.69% 93.55% 93.55% 78.76%
NWS Digital Forecast   71.11% 43.33% 90.00% 90.00% 73.61%
Weather News   75.27% 35.48% 87.10% 87.10% 71.24%
Dark Sky   82.80% 18.28% 89.25% 89.25% 69.89%
Weatherbit   76.09% 21.98% 86.96% 86.96% 67.99%
OpenWeather   61.29% 19.35% 90.32% 90.32% 65.32%
Wetter   62.37% 16.13% 90.32% 90.32% 64.78%
World Weather Online   35.48% 31.18% 90.32% 90.32% 61.83%
Persistence   40.58% 18.84% 75.36% 75.36% 52.54%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.93% 79.13% 87.17% 87.17% 82.85%
Weather Underground   77.84% 79.69% 85.87% 85.87% 82.32%
Foreca/Vaisala   75.81% 77.56% 87.03% 87.90% 82.08%
AccuWeather   79.93% 77.24% 82.67% 81.42% 80.31%
Dark Sky   75.62% 69.53% 84.95% 84.95% 78.76%
AerisWeather   73.06% 71.57% 82.50% 82.50% 77.41%
NWS Digital Forecast   72.81% 71.32% 74.37% 74.37% 73.22%
OpenWeather   60.48% 41.64% 80.98% 80.98% 66.02%
Weather News   67.96% 61.96% 66.76% 66.76% 65.86%
Wetter   60.48% 40.07% 81.44% 81.44% 65.86%
Weatherbit   54.68% 49.90% 78.63% 78.63% 65.46%
World Weather Online   46.45% 40.26% 77.38% 77.38% 60.36%
Persistence   38.90% 31.60% 60.59% 60.59% 47.92%

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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