National Weather Service

News Headlines

Effective May 24, 2025 Multiple river forecast points along the Guadalupe, Blanco, and San Macros Rivers will become flood-only forecast points

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

89°F

32°C

Humidity	53%
Wind Speed	SW 10 G 18 mph
Barometer	29.94 in (1012.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	23 May 12:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SSE San Antonio TX

This Afternoon
High: 97 °F
Sunny
Tonight
Low: 76 °F
Increasing
Clouds
Saturday
High: 100 °F
Hot
Saturday Night
Low: 77 °F
Mostly Cloudy
Sunday
High: 97 °F
Partly Sunny
Sunday Night
Low: 78 °F
Slight Chance
T-storms
Memorial Day
High: 94 °F
Mostly Cloudy
then Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 93 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 97. Heat index values as high as 100. South southeast wind around 10 mph, with gusts as high as 20 mph.

Tonight

Increasing clouds, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday

Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Partly sunny, with a high near 97. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Memorial Day

A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

Wednesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

Thursday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.