National Weather Service Forecast for: 2 Miles SSE San Antonio TX
Issued by: National Weather Service Austin/San Antonio, TX
Updated: 2:44 am CDT Aug 20, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 78. South southeast wind around 5 mph.
Partly Cloudy
Thursday

Thursday: Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind around 5 mph.
Hot
Thursday
Night
Thursday Night: Mostly clear, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear
Friday

Friday: Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind around 5 mph.
Hot
Friday
Night
Friday Night: Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Mostly Clear
Saturday

Saturday: Sunny and hot, with a high near 103. Calm wind becoming southeast around 5 mph in the afternoon.
Hot
Saturday
Night
Saturday Night: Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.
Mostly Clear
Sunday

Sunday: Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
Hot
Sunday
Night
Sunday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear
Lo 78 °F Hi 102 °F Lo 79 °F Hi 102 °F Lo 79 °F Hi 103 °F Lo 80 °F Hi 102 °F Lo 79 °F

Heat Advisory
 

Overnight
 
Partly cloudy, with a low around 78. South southeast wind around 5 mph.
Thursday
 
Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind around 5 mph.
Thursday Night
 
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind around 5 mph.
Friday Night
 
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Saturday
 
Sunny and hot, with a high near 103. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.
Sunday
 
Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
 
Sunny and hot, with a high near 102.
Monday Night
 
Mostly clear, with a low around 79.
Tuesday
 
Sunny and hot, with a high near 101.
Tuesday Night
 
Mostly clear, with a low around 79.
Wednesday
 
Sunny and hot, with a high near 101.

 

Forecast from NOAA-NWS for 2 Miles SSE San Antonio TX.