SAN ANTONIO, TX 78221 Weather Forecast & Current Conditions

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SAN ANTONIO/STIN, TX
Current Weather

1:53 PM CDT SEP 3, 2025
Few Clouds
95°F
Feels Like: 98°F
Dewpoint: 66°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: NW at 6 mph
Pressure: 29.92 inches
Last 72 hours

Local Area Snow Depth

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SAN ANTONIO, TX 78221
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the lower 70s. Northeast winds 5 to 10 mph.
THURSDAY
Mostly sunny. Hot with highs around 101. Southwest winds around 5 mph, becoming southeast around 5 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph.
FRIDAY
Partly cloudy. Highs in the upper 90s. South winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph.
SATURDAY
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 30 percent.
SUNDAY AND SUNDAY NIGHT
Mostly cloudy with showers likely with a chance of thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 60 percent.
MONDAY
Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy with a slight chance of showers. Lows in the lower 70s.
TUESDAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly clear. Lows in the lower 70s.
WEDNESDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s.

Visible Weather Satellite
SAN ANTONIO, TX 78221
Infrared Weather Satellite
SAN ANTONIO, TX 78221
NEXRAD Weather Radar
SAN ANTONIO, TX 78221

SAN ANTONIO/STIN, TX 3 hourly weather forecast

weather forecast created  8:00 AM EDT  9/ 3/2025
Wednesday
3 SEP 2025
SAN ANTONIO, TX 78221 weather forecast Day 1, 12 hours 1 PM 94° 97° Partly Cloudy 7%

0% Thunder
( 9% severe)
NW   7 39% 65°
High 100° SAN ANTONIO, TX 78221 weather forecast Day 1, 15 hours 4 PM 99° 100° Partly Cloudy NNW   7 28% 60°
Partly Cloudy



SAN ANTONIO, TX 78221 weather forecast Day 1, 18 hours 7 PM 96° 95° Partly Cloudy 0%

0% Thunder
( 2% severe)
N   8 27% 57°
SAN ANTONIO, TX 78221 weather forecast Day 1, 21 hours 10 PM 86° 85° Partly Cloudy NNE   5 40% 59°
Thursday
4 SEP 2025
SAN ANTONIO, TX 78221 weather forecast Day 2, 0 hours 1 AM 80° 81° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   2 52% 61°
Low 73° SAN ANTONIO, TX 78221 weather forecast Day 2, 3 hours 4 AM 76° 78° Partly Cloudy NE   2 64% 63°
High 103° SAN ANTONIO, TX 78221 weather forecast Day 2, 6 hours 7 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 2% severe)
NNW   1 73% 64°

Partly Cloudy



SAN ANTONIO, TX 78221 weather forecast Day 2, 9 hours 10 AM 85° 87° Partly Cloudy WSW   2 51% 65°
SAN ANTONIO, TX 78221 weather forecast Day 2, 12 hours 1 PM 96° 95° Partly Cloudy 0%

0% Thunder
( 12% severe)
SSW   3 29% 59°
SAN ANTONIO, TX 78221 weather forecast Day 2, 15 hours 4 PM 102° 100° Partly Cloudy E   3 20% 54°
SAN ANTONIO, TX 78221 weather forecast Day 2, 18 hours 7 PM 99° 97° Partly Cloudy 0%

0% Thunder
( 6% severe)
SE   5 22% 54°
SAN ANTONIO, TX 78221 weather forecast Day 2, 21 hours 10 PM 89° 89° Partly Cloudy SSE   7 39% 61°
Friday
5 SEP 2025
SAN ANTONIO, TX 78221 weather forecast Day 3, 0 hours 1 AM 82° 85° Partly Cloudy 0%

0% Thunder
( 2% severe)
S   7 61% 67°
Low 75° SAN ANTONIO, TX 78221 weather forecast Day 3, 3 hours 4 AM 79° 82° Mostly Cloudy S   7 72% 69°
High 101° SAN ANTONIO, TX 78221 weather forecast Day 3, 6 hours 7 AM 76° 77° Partly Cloudy 0%

0% Thunder
( 2% severe)
S   3 82% 70°

Partly Cloudy



SAN ANTONIO, TX 78221 weather forecast Day 3, 9 hours 10 AM 84° 88° Partly Cloudy S   7 63% 70°
SAN ANTONIO, TX 78221 weather forecast Day 3, 15 hours 1 PM 95° 96° Partly Cloudy 1%

0% Thunder
( 10% severe)
S   8 35% 63°
SAN ANTONIO, TX 78221 weather forecast Day 3, 18 hours 4 PM 99° 99° Partly Cloudy SE   8 27% 59°
SAN ANTONIO, TX 78221 weather forecast Day 3, 21 hours 7 PM 96° 95° Partly Cloudy     SE   8 29% 59°

SAN ANTONIO/STIN, TX extended weather forecast

Saturday
6 SEP 2025
Sunday
7 SEP 2025
Monday
8 SEP 2025
Tuesday
9 SEP 2025
Wednesday
10 SEP 2025
Low 77° Low 78° Low 72° Low 68° Low 73°
High 99° High 93° High 85° High 91° High 95°
SAN ANTONIO, TX 78221 weather forecast Day 4 SAN ANTONIO, TX 78221 weather forecast Day 5 SAN ANTONIO, TX 78221 weather forecast Day 6 SAN ANTONIO, TX 78221 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
12% Rain
Overcast
56% Rain
Overcast
65% Rain
Overcast
22% Rain
Partly Cloudy
16% Rain
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