SAN ANTONIO, TX 78246 Weather Forecast & Current Conditions

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SAN ANTONIO, TX
Current Weather

4:51 AM CDT SEP 12, 2026
Broken Clouds
79°F
Feels Like: 82°F
Dewpoint: 73°F
Rel. Hum.: 82%
Visibility: 10 miles
Wind: SE at 8 mph
Pressure: 29.88 inches
Last 72 hours

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SAN ANTONIO, TX 78246
Weather Forecast

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TODAY
Partly cloudy this morning, then clearing. Hot with highs around 102. Southeast winds 10 to 15 mph. Highest heat index readings up to 110.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph. Highest heat index readings up to 105 early in the evening.
SUNDAY
Partly cloudy in the morning, then clearing. Hot with highs around 100. Southeast winds 10 to 15 mph. Highest heat index readings up to 108.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph.
MONDAY
Partly cloudy in the morning, then becoming mostly sunny. Highs in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph. Highest heat index readings up to 107.
MONDAY NIGHT THROUGH TUESDAY NIGHT
Mostly clear. Hot. Lows in the mid 70s. Highs around 100. Highest heat index readings up to 110.
WEDNESDAY
Partly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 105.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 70s.
THURSDAY
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 105.
THURSDAY NIGHT AND FRIDAY
Partly cloudy. Lows in the mid 70s. Highs in the mid 90s.

Visible Weather Satellite
SAN ANTONIO, TX 78246
Infrared Weather Satellite
SAN ANTONIO, TX 78246
NEXRAD Weather Radar
SAN ANTONIO, TX 78246

SAN ANTONIO, TX 3 hourly weather forecast

weather forecast created  7:00 PM CDT  9/11/2026
Saturday
12 SEP 2026
SAN ANTONIO, TX 78246 weather forecast Day 1, 0 hours 1 AM 82° 88° Partly Cloudy 2%

0% Thunder
( 5% severe)
SSE   12 77% 74°
Low 77° SAN ANTONIO, TX 78246 weather forecast Day 1, 3 hours 4 AM 80° 85° Partly Cloudy S   12 85% 75°
High 100° SAN ANTONIO, TX 78246 weather forecast Day 1, 6 hours 7 AM 78° 80° Partly Cloudy 2%

0% Thunder
( 4% severe)
SSE   8 88% 74°

Partly Cloudy



SAN ANTONIO, TX 78246 weather forecast Day 1, 9 hours 10 AM 84° 91° Partly Cloudy S   9 72% 74°
SAN ANTONIO, TX 78246 weather forecast Day 1, 12 hours 1 PM 95° 103° Clear 2%

0% Thunder
( 20% severe)
S   9 46% 71°
SAN ANTONIO, TX 78246 weather forecast Day 1, 15 hours 4 PM 100° 104° Partly Cloudy SSE   12 33% 66°
SAN ANTONIO, TX 78246 weather forecast Day 1, 18 hours 7 PM 97° 100° Partly Cloudy 2%

0% Thunder
( 8% severe)
SE   15 35% 65°
SAN ANTONIO, TX 78246 weather forecast Day 1, 21 hours 10 PM 87° 93° Clear SE   16 61% 72°
Sunday
13 SEP 2026
SAN ANTONIO, TX 78246 weather forecast Day 2, 0 hours 1 AM 82° 88° Partly Cloudy 2%

0% Thunder
( 2% severe)
SSE   13 77% 74°
Low 78° SAN ANTONIO, TX 78246 weather forecast Day 2, 3 hours 4 AM 80° 85° Mostly Cloudy SSE   10 85% 75°
High 99° SAN ANTONIO, TX 78246 weather forecast Day 2, 6 hours 7 AM 79° 83° Mostly Cloudy 3%

0% Thunder
( 8% severe)
SSE   9 88% 75°

Partly Cloudy



SAN ANTONIO, TX 78246 weather forecast Day 2, 9 hours 10 AM 84° 92° Partly Cloudy SSE   10 74% 75°
SAN ANTONIO, TX 78246 weather forecast Day 2, 12 hours 1 PM 94° 100° Clear 4%

0% Thunder
( 22% severe)
S   10 46% 70°
SAN ANTONIO, TX 78246 weather forecast Day 2, 15 hours 4 PM 98° 103° Partly Cloudy SSE   13 37% 67°
SAN ANTONIO, TX 78246 weather forecast Day 2, 18 hours 7 PM 94° 98° Partly Cloudy 1%

0% Thunder
( 7% severe)
SE   17 41% 67°
SAN ANTONIO, TX 78246 weather forecast Day 2, 21 hours 10 PM 87° 93° Clear SE   16 59% 71°

SAN ANTONIO, TX extended weather forecast

BAD DAY
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Low 78° Low 79° Low 78° Low 76° Low 76°
High 99° High 99° High 98° High 95° High 93°
SAN ANTONIO, TX 78246 weather forecast Day 3 SAN ANTONIO, TX 78246 weather forecast Day 4 SAN ANTONIO, TX 78246 weather forecast Day 5 SAN ANTONIO, TX 78246 weather forecast Day 6 SAN ANTONIO, TX 78246 weather forecast Day 7
Partly Cloudy
13% Rain
Partly Cloudy
27% Rain
Partly Cloudy
17% Rain
Partly Cloudy
14% Rain
Overcast
31% Rain
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