SAN ANTONIO, TX 78221 Weather Forecast & Current Conditions
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  78221 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SAN ANTONIO/STIN, TX
Current Weather
8:53 AM CDT MAY 2, 2025
Overcast
73°F
Feels Like: 73°F
Dewpoint: 64°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: Calm
Pressure: 29.87 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78221 WEATHER FORECAST
10-Day model forecast maps
2024 Hurricanes

SAN ANTONIO, TX 78221
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A slight chance of showers this morning, then thunderstorms likely with a chance of showers this afternoon. Some thunderstorms may be severe. Highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 70 percent.
TONIGHT
Cloudy. Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may be severe. Lows in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80. Northeast winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
SUNDAY
Partly cloudy. Highs in the upper 70s. East winds 5 to 10 mph.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s.
MONDAY
Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs around 80. Chance of rain 50 percent.
MONDAY NIGHT
Cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent.
TUESDAY
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 80s. Chance of rain 70 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent.
WEDNESDAY
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 80s. Chance of rain 60 percent.
WEDNESDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s.
THURSDAY
Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

  78221 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SAN ANTONIO, TX 78221
Infrared Weather Satellite
SAN ANTONIO, TX 78221
  78221 WEATHER RADAR LOOP
NEXRAD Weather Radar
SAN ANTONIO, TX 78221
 MOS COMPUTER WEATHER FORECAST

SAN ANTONIO/STIN, TX 3 hourly weather forecast
weather forecast created  8:00 PM EDT  5/ 1/2025
Friday
2 MAY 2025		 SAN ANTONIO, TX 78221 weather forecast Day 1, 0 hours 1 AM 74° 74° Mostly Cloudy 21%
RAIN
.01–.1 in		 0% Thunder
( 20% severe)		 SE   7 82% 68°
Low 71° SAN ANTONIO, TX 78221 weather forecast Day 1, 3 hours 4 AM 73° 73° Mostly Cloudy SE   7 87% 69°
High 89° SAN ANTONIO, TX 78221 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 9%

 0% Thunder
( 22% severe)		 SSE   6 93% 70°

Mostly Cloudy

Rain Likely

 SAN ANTONIO, TX 78221 weather forecast Day 1, 9 hours 10 AM 78° 80° Mostly Cloudy S   10 76% 70°
SAN ANTONIO, TX 78221 weather forecast Day 1, 12 hours 1 PM 84° 87° Mostly Cloudy 63%
RAIN
1–2 in		 0% Thunder
( 61% severe)		 S   13 59% 68°
SAN ANTONIO, TX 78221 weather forecast Day 1, 15 hours 4 PM 85° 88° Mostly Cloudy SSE   13 55% 67°
SAN ANTONIO, TX 78221 weather forecast Day 1, 18 hours 7 PM 82° 84° Mostly Cloudy 61%
RAIN
***		 0% Thunder
( 51% severe)		 SE   12 58% 66°
SAN ANTONIO, TX 78221 weather forecast Day 1, 21 hours 10 PM 74° 74° Overcast NE   9 79% 67°
Saturday
3 MAY 2025		 SAN ANTONIO, TX 78221 weather forecast Day 2, 0 hours 1 AM 70° 70° Mostly Cloudy 39%
RAIN
***		 0% Thunder
( 28% severe)		 ENE   8 87% 66°
Low 66° SAN ANTONIO, TX 78221 weather forecast Day 2, 3 hours 4 AM 69° 69° Mostly Cloudy NNE   10 84% 64°
High 81° SAN ANTONIO, TX 78221 weather forecast Day 2, 6 hours 7 AM 66° 66° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 10% severe)		 NNE   12 84% 61°

Mostly Cloudy



 SAN ANTONIO, TX 78221 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy NNE   13 71% 60°
SAN ANTONIO, TX 78221 weather forecast Day 2, 12 hours 1 PM 75° 75° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 8% severe)		 NE   14 52% 56°
SAN ANTONIO, TX 78221 weather forecast Day 2, 15 hours 4 PM 79° 79° Partly Cloudy NE   13 39% 52°
SAN ANTONIO, TX 78221 weather forecast Day 2, 18 hours 7 PM 77° 78° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 5% severe)		 ENE   10 40% 51°
SAN ANTONIO, TX 78221 weather forecast Day 2, 21 hours 10 PM 69° 69° Partly Cloudy NE   7 55% 52°

SAN ANTONIO/STIN, TX extended weather forecast
Sunday
4 MAY 2025		 Monday
5 MAY 2025		 Tuesday
6 MAY 2025		 Wednesday
7 MAY 2025		 Thursday
8 MAY 2025
Low 57° Low 69° Low 71° Low 70° Low 67°
High 84° High 86° High 93° High 87° High 83°
SAN ANTONIO, TX 78221 weather forecast Day 3 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
Partly Cloudy
13% Rain		 Mostly Cloudy
33% Rain		 Overcast
34% Rain		 Mostly Cloudy
50% Rain		 Overcast
47% Rain
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