5-day weather forecast for San Antonio, Texas


Chance Thunderstorms


Chance Thunderstorms
Click on a forecast to see the forecast trend for that day

Weather changeability for San Antonio, Texas

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.2° 3.9°
Average change in low temperature day-to-day 7.2° 5.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 56% 54%
Chance of precip day after a dry day 20% 14%

Weather forecast accuracy for San Antonio, Texas

Last Month
AccuWeather   77.78%
Foreca   76.85%
The Weather Channel   76.23%
Weather Underground   76.23%
MeteoGroup   74.69%
Dark Sky (forecast.io)   74.69%
NWS Digital Forecast   72.84%
World Weather Online   59.26%
Persistence   45.98%
Last Year
MeteoGroup   79.93%
The Weather Channel   78.94%
Weather Underground   78.73%
AccuWeather   77.60%
Dark Sky (forecast.io)   75.01%
Foreca   74.22%
NWS Digital Forecast   73.67%
World Weather Online   67.52%
Persistence   60.21%

ForecastAdvisor Fact

26.4% of Persistence's low temperature forecasts for San Antonio were within 3 degrees of actual temperatures last month.