Weather forecast accuracy details for San Antonio, Texas

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   88.17% 67.74% 89.25% 89.25% 83.60%
Weather Underground   88.17% 66.67% 88.17% 88.17% 82.80%
Foreca/Vaisala   79.57% 67.74% 91.40% 91.40% 82.53%
AccuWeather   88.89% 66.67% 85.56% 85.56% 81.67%
NWS Digital Forecast   54.84% 58.06% 91.40% 91.40% 73.92%
AerisWeather   52.22% 56.67% 92.22% 92.22% 73.33%
Dark Sky   36.56% 62.37% 94.62% 94.62% 72.04%
Wetter   47.31% 53.76% 91.40% 91.40% 70.97%
Weather News   43.01% 45.16% 90.32% 90.32% 67.20%
Weatherbit   34.78% 41.30% 92.39% 92.39% 65.22%
World Weather Online   69.89% 48.39% 70.97% 70.97% 65.05%
OpenWeather   53.76% 50.54% 76.34% 76.34% 64.25%
Persistence   34.92% 17.91% 79.37% 79.37% 52.89%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.47% 76.08% 86.99% 86.99% 82.63%
Weather Underground   80.56% 76.36% 85.86% 85.86% 82.16%
Foreca/Vaisala   76.90% 73.45% 87.16% 87.45% 81.24%
AccuWeather   80.72% 73.73% 81.89% 82.48% 79.71%
AerisWeather   69.40% 68.39% 84.23% 84.23% 76.56%
Dark Sky   66.48% 70.36% 84.18% 84.18% 76.30%
NWS Digital Forecast   69.85% 68.05% 78.79% 78.79% 73.87%
Wetter   61.31% 55.35% 82.21% 82.21% 70.27%
World Weather Online   67.98% 54.19% 74.18% 74.18% 67.63%
Weatherbit   51.00% 54.33% 80.91% 80.91% 66.78%
OpenWeather   63.47% 48.22% 76.40% 76.40% 66.13%
Weather News   56.53% 51.13% 77.25% 77.25% 65.54%
Persistence   46.97% 34.98% 65.84% 65.84% 53.41%

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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