Heat Advisory

* WHAT...Temperatures up to 104 and heat index values up to 112 expected.

* WHERE...Atascosa, Bexar, Comal, De Witt, Guadalupe, Hays, Karnes, and Wilson Counties.

* WHEN...Until 7 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Thursday, Aug 27, 7:00 PM CDT
Clear
98°
Feels 104°
 38%
Dewpt 68°
 ene
8 - 10 mph
Thursday, Aug 27
Partly cloudy throughout the day with storms possible.
78 103 78 - 103
Friday, Aug 28
Partly cloudy throughout the day.
79 100 79 - 100
Saturday, Aug 29
Clear conditions throughout the day.
78 99 78 - 99
Sunday, Aug 30
Clear conditions throughout the day.
77 98 77 - 98
Monday, Aug 31
Clear conditions throughout the day.
77 98 77 - 98
Tuesday, Sep 1
Clear conditions throughout the day.
77 98 77 - 98
Wednesday, Sep 2
Clear conditions throughout the day.
77 97 77 - 97
Thursday, Sep 3
Clear conditions throughout the day.
77 98 77 - 98
Friday, Sep 4
Partly cloudy throughout the day.
77 99 77 - 99
Saturday, Sep 5
Partly cloudy throughout the day.
78 95 78 - 95
Sunday, Sep 6
Clear conditions throughout the day.
77 96 77 - 96
Monday, Sep 7
Partly cloudy throughout the day.
78 100 78 - 100
Tuesday, Sep 8
Partly cloudy throughout the day.
79 100 79 - 100
Wednesday, Sep 9
Clear conditions throughout the day.
81 101 81 - 101
Thursday, Sep 10
Clear conditions throughout the day.
79 101 79 - 101
Weather forecast for San Antonio, TX on Thu, 27 Aug 2026 22:16:22 GMT