San Antonio, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Antonio, TX in one place.
Mostly sunny, with a high near 95. Heat index values as high as 100. East northeast wind 0 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for San Antonio, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 4:54 AM CDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for San Antonio, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 4:54 AM CDT
- Forecast office
- EWX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Antonio
Wednesday looks like the warmest upcoming period in San Antonio at 95 degrees F.
Friday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph ENE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Sep 22, 2026 4:54 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EWX
- Radar station
- KEWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 77. East southeast wind 0 to 10 mph.
Mostly sunny, with a high near 94. East northeast wind 0 to 10 mph.
Partly cloudy, with a low around 78. East southeast wind 0 to 10 mph.
Mostly sunny, with a high near 94. East wind 0 to 5 mph.
Partly cloudy, with a low around 76. Southeast wind 0 to 10 mph.
Mostly sunny, with a high near 94.
Partly cloudy, with a low around 76.
Mostly sunny, with a high near 95.
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Mostly sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Sunny
|
95°F |
0 to 10 mph
ENE
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
77°F |
0 to 10 mph
ESE
|
|
Thursday
Sep 24
|
Mostly Sunny
|
94°F |
0 to 10 mph
ENE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
78°F |
0 to 10 mph
ESE
|
|
Friday
Sep 25
|
Mostly Sunny
|
94°F |
0 to 5 mph
E
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
76°F |
0 to 10 mph
SE
|
|
Saturday
Sep 26
|
Mostly Sunny
|
94°F |
0 to 5 mph
SE
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
76°F |
5 mph
SE
|
|
Sunday
Sep 27
|
Mostly Sunny
|
95°F |
0 to 5 mph
SSE
|
|
Sunday Night
Sep 27
|
Slight Chance Rain Showers
|
77°F |
5 mph
SE
|
|
Monday
Sep 28
|
Mostly Sunny
|
93°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Antonio.
