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 (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   82.76% 81.61% 77.01% 77.01% 79.60%
AerisWeather   77.01% 78.16% 78.16% 78.16% 77.87%
Weatherbit   83.72% 77.91% 74.71% 74.71% 77.76%
Foreca   77.01% 77.01% 78.16% 78.16% 77.59%
The Weather Channel   79.31% 79.31% 72.41% 72.41% 75.86%
AccuWeather   81.61% 79.31% 68.97% 66.67% 74.14%
NWS Digital Forecast   73.56% 83.91% 67.82% 67.82% 73.28%
Wetter.com   74.71% 65.52% 71.26% 71.26% 70.69%
Pirate Weather   78.16% 54.02% 73.56% 65.52% 67.82%
World Weather Online   65.52% 60.92% 67.82% 67.82% 65.52%
Open-Meteo   60.92% 66.67% 62.07% 62.07% 62.93%
OpenWeather   56.32% 39.08% 64.37% 64.37% 56.03%
Persistence   47.31% 41.94% 38.71% 38.71% 41.67%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   79.34% 82.75% 88.42% 88.79% 84.83%
The Weather Channel   81.87% 82.34% 85.92% 85.92% 84.01%
Weatherbit   79.27% 81.09% 86.23% 86.23% 83.21%
Foreca   76.86% 77.53% 85.45% 85.45% 81.32%
AerisWeather   76.11% 76.86% 83.76% 83.76% 80.12%
AccuWeather   77.20% 77.56% 81.52% 80.76% 79.26%
NWS Digital Forecast   78.52% 76.90% 79.36% 79.36% 78.53%
Pirate Weather   71.77% 61.28% 86.85% 86.85% 76.69%
Wetter.com   59.68% 61.47% 83.57% 83.66% 72.10%
Open-Meteo   68.74% 60.06% 73.15% 73.15% 68.77%
World Weather Online   66.57% 60.15% 71.36% 71.36% 67.36%
OpenWeather   65.63% 50.14% 75.59% 75.59% 66.74%
Persistence   48.53% 46.02% 70.52% 70.52% 58.90%

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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