SAN ANTONIO, TX Weather Forecast & Current Conditions

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SAN ANTONIO, TX
Current Weather

11:51 AM CDT AUG 23, 2026
Broken Clouds
95°F
Feels Like: 93°F
Dewpoint: 55°F
Rel. Hum.: 26%
Visibility: 10 miles
Wind: S at 6 mph
Pressure: 30.06 inches
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SAN ANTONIO, TX
Weather Forecast

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TODAY
Sunny, hot with highs around 103. Southwest winds around 5 mph, becoming southeast this afternoon.
TONIGHT
Clear. Lows in the mid 70s. South winds 5 to 10 mph.
MONDAY
Sunny, hot with highs around 102. Southwest winds around 5 mph, becoming south in the afternoon.
MONDAY NIGHT
Clear. Lows in the mid 70s. South winds 10 to 15 mph.
TUESDAY
Sunny, hot with highs around 101. South winds 5 to 10 mph.
TUESDAY NIGHT AND WEDNESDAY
Clear, hot. Lows in the mid 70s. Highs around 100. Highest heat index readings up to 110.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s.
THURSDAY
Partly cloudy in the morning, then sunny with a slight chance of showers and thunderstorms in the afternoon. Hot with highs around 100. Highest heat index readings up to 110.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
FRIDAY THROUGH SATURDAY
Mostly clear. Hot. Highs around 100. Lows in the mid 70s. Highest heat index readings up to 105.

Visible Weather Satellite
SAN ANTONIO, TX
Infrared Weather Satellite
SAN ANTONIO, TX
NEXRAD Weather Radar
SAN ANTONIO, TX

SAN ANTONIO, TX 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/23/2026
Sunday
23 AUG 2026
SAN ANTONIO, TX weather forecast Day 1, 12 hours 1 PM 98° 99° Clear 1%

0% Thunder
( 9% severe)
S   6 30% 61°
High 104° SAN ANTONIO, TX weather forecast Day 1, 15 hours 4 PM 103° 104° Clear SSE   7 25% 60°
Clear



SAN ANTONIO, TX weather forecast Day 1, 18 hours 7 PM 100° 100° Clear 0%

0% Thunder
( 8% severe)
SSE   9 25% 58°
SAN ANTONIO, TX weather forecast Day 1, 21 hours 10 PM 91° 91° Partly Cloudy S   13 37% 61°
Monday
24 AUG 2026
SAN ANTONIO, TX weather forecast Day 2, 0 hours 1 AM 84° 85° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   10 49% 63°
Low 76° SAN ANTONIO, TX weather forecast Day 2, 3 hours 4 AM 79° 81° Partly Cloudy SSW   9 64% 66°
High 102° SAN ANTONIO, TX weather forecast Day 2, 6 hours 7 AM 76° 77° Clear 0%

0% Thunder
( 1% severe)
WSW   8 76% 68°

Clear



SAN ANTONIO, TX weather forecast Day 2, 9 hours 10 AM 84° 88° Clear SW   7 61% 69°
SAN ANTONIO, TX weather forecast Day 2, 12 hours 1 PM 96° 98° Partly Cloudy 0%

0% Thunder
( 5% severe)
S   7 34% 63°
SAN ANTONIO, TX weather forecast Day 2, 15 hours 4 PM 101° 101° Clear SSE   8 25% 59°
SAN ANTONIO, TX weather forecast Day 2, 18 hours 7 PM 99° 99° Clear 0%

0% Thunder
( 3% severe)
SSE   10 26% 58°
SAN ANTONIO, TX weather forecast Day 2, 21 hours 10 PM 89° 91° Clear SSE   15 45% 65°
Tuesday
25 AUG 2026
SAN ANTONIO, TX weather forecast Day 3, 0 hours 1 AM 82° 86° Clear 0%

0% Thunder
( 1% severe)
S   13 67% 70°
Low 76° SAN ANTONIO, TX weather forecast Day 3, 3 hours 4 AM 78° 80° Partly Cloudy S   10 82% 72°
High 101° SAN ANTONIO, TX weather forecast Day 3, 6 hours 7 AM 76° 76° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSW   8 87% 72°

Partly Cloudy



SAN ANTONIO, TX weather forecast Day 3, 9 hours 10 AM 83° 87° Partly Cloudy SSW   7 65% 70°
SAN ANTONIO, TX weather forecast Day 3, 15 hours 1 PM 95° 97° Clear 0%

0% Thunder
( 8% severe)
S   6 37% 65°
SAN ANTONIO, TX weather forecast Day 3, 18 hours 4 PM 100° 101° Clear SSE   8 28% 61°
SAN ANTONIO, TX weather forecast Day 3, 21 hours 7 PM 99° 99° Clear     SSE   9 27% 59°

SAN ANTONIO, TX extended weather forecast

Wednesday
26 AUG 2026
Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Sunday
30 AUG 2026
Low 76° Low 77° Low 76° Low 74° Low 76°
High 102° High 97° High 93° High 95° High 97°
SAN ANTONIO, TX weather forecast Day 4 SAN ANTONIO, TX weather forecast Day 5 SAN ANTONIO, TX weather forecast Day 6 SAN ANTONIO, TX weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
11% Rain
Partly Cloudy
23% Rain
Overcast
33% Rain
Partly Cloudy
29% Rain
Partly Cloudy
16% Rain
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