San Antonio, TX Weather Forecast
Right now it is 81°F and clear in San Antonio (as of Thu, 12:35 PM CST). This Afternoon: high near 82°F. Tomorrow: sunny, high near 77°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at San Antonio, Stinson Municipal Airport (7 mi from the city center).
Weather tomorrow in San Antonio
Sunny77°FSunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 25 mph.
Partly Cloudy60°FPartly cloudy, with a low around 60. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for San Antonio right now.
7-day forecast
Sunny82°F / 61°FSunny, with a high near 82. South wind 0 to 5 mph. Tonight: Partly cloudy, with a low around 61. Northeast wind 0 to 15 mph, with gusts as high as 25 mph.
Sunny77°F / 60°FSunny, with a high near 77. North wind 5 to 15 mph, with gusts as high as 25 mph. Friday Night: Partly cloudy, with a low around 60. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Cloudy then Chance Rain Showers
71% chance of rain/snow70°F / 56°FA chance of rain showers after noon. Cloudy, with a high near 70. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Saturday Night: Showers and thunderstorms likely. Cloudy, with a low around 56. Northeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Showers And Thunderstorms 88% chance of rain/snow63°F / 53°FShowers and thunderstorms. Cloudy, with a high near 63. Northeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 53. North northeast wind 0 to 5 mph. Chance of precipitation is 40%.
Chance Rain Showers 29% chance of rain/snow66°F / 54°FA chance of rain showers. Partly sunny, with a high near 66. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. Monday Night: Mostly cloudy, with a low around 54.
Mostly Sunny71°F / 56°FMostly sunny, with a high near 71. Tuesday Night: Mostly cloudy, with a low around 56.
Partly Sunny74°F / 58°FPartly sunny, with a high near 74. Wednesday Night: Mostly cloudy, with a low around 58.
Forecast issued by NWS forecast office EWX · updated Nov 5, 12:24 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
San Antonio population: 1,548,422 (U.S. Census Bureau, July 1, 2025 estimate). More Texas cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in San Antonio?
Friday, November 6: Sunny, high near 77°F; night: partly cloudy, low around 60°F.
Where does the San Antonio forecast come from?
From the National Weather Service forecast office EWX, which writes the official forecast for San Antonio's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the San Antonio weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for San Antonio (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.