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
7:53 PM CDT MAY 1, 2025
Clear
81°F
Feels Like: 83°F
Dewpoint: 66°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: SE at 12 mph
Pressure: 29.85 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Regional Weather Maps

(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
TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the upper 60s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
FRIDAY
Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
FRIDAY NIGHT
Cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. 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. Isolated showers and thunderstorms. Highs in the upper 70s. 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 AND SUNDAY NIGHT
Partly cloudy. Highs around 80. Lows in the lower 60s.
MONDAY
Cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
MONDAY NIGHT
Cloudy with scattered showers and thunderstorms. Lows around 70. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with scattered thunderstorms. Numerous showers, mainly in the morning. Highs in the lower 80s. Chance of rain 70 percent.
TUESDAY NIGHT
Mostly cloudy with scattered showers and thunderstorms. Lows around 70. Chance of rain 50 percent.
WEDNESDAY
Mostly cloudy with scattered thunderstorms. Numerous showers, mainly in the morning. Highs in the mid 80s. Chance of rain 60 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Isolated thunderstorms. Scattered showers, mainly in the evening. Lows in the mid 60s. Chance of rain 30 percent.
THURSDAY
Mostly cloudy in the morning, then becoming partly cloudy. Scattered thunderstorms. Scattered showers. Highs around 80. Chance of rain 40 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 AM EDT  5/ 1/2025
Thursday
1 MAY 2025		 SAN ANTONIO, TX 78221 weather forecast Day 1, 12 hours 1 PM 87° 91° Partly Cloudy 17%
RAIN
<.01 in		 0% Thunder
( 35% severe)		 SSE   8 55% 69°
High 92° SAN ANTONIO, TX 78221 weather forecast Day 1, 15 hours 4 PM 91° 94° Partly Cloudy SE   10 44% 66°
Mostly Cloudy



 SAN ANTONIO, TX 78221 weather forecast Day 1, 18 hours 7 PM 86° 88° Mostly Cloudy 11%
RAIN
.5–1 in		 0% Thunder
( 29% severe)		 SE   12 51% 66°
SAN ANTONIO, TX 78221 weather forecast Day 1, 21 hours 10 PM 79° 81° Mostly Cloudy SE   9 67% 67°
Friday
2 MAY 2025		 SAN ANTONIO, TX 78221 weather forecast Day 2, 0 hours 1 AM 74° 74° Mostly Cloudy 4%

 0% Thunder
( 15% severe)		 SSE   7 82% 68°
Low 71° SAN ANTONIO, TX 78221 weather forecast Day 2, 3 hours 4 AM 73° 73° Mostly Cloudy SSE   7 87% 69°
High 89° SAN ANTONIO, TX 78221 weather forecast Day 2, 6 hours 7 AM 73° 73° Mostly Cloudy 8%

 0% Thunder
( 23% severe)		 SSE   6 87% 69°

Mostly Cloudy

Rain Likely

 SAN ANTONIO, TX 78221 weather forecast Day 2, 9 hours 10 AM 78° 80° Mostly Cloudy S   9 76% 70°
SAN ANTONIO, TX 78221 weather forecast Day 2, 12 hours 1 PM 85° 88° Partly Cloudy 62%
RAIN
1–2 in		 0% Thunder
( 53% severe)		 SSE   12 57% 68°
SAN ANTONIO, TX 78221 weather forecast Day 2, 15 hours 4 PM 85° 88° Mostly Cloudy SSE   13 55% 67°
SAN ANTONIO, TX 78221 weather forecast Day 2, 18 hours 7 PM 81° 83° Mostly Cloudy 67%
RAIN
***		 0% Thunder
( 36% severe)		 SE   12 60% 66°
SAN ANTONIO, TX 78221 weather forecast Day 2, 21 hours 10 PM 73° 73° Mostly Cloudy ENE   9 79% 66°
Saturday
3 MAY 2025		 SAN ANTONIO, TX 78221 weather forecast Day 3, 0 hours 1 AM 71° 71° Mostly Cloudy 37%
RAIN
***		 0% Thunder
( 24% severe)		 NE   8 84% 66°
Low 67° SAN ANTONIO, TX 78221 weather forecast Day 3, 3 hours 4 AM 69° 69° Mostly Cloudy NNE   9 84% 64°
High 81° SAN ANTONIO, TX 78221 weather forecast Day 3, 6 hours 7 AM 67° 67° Mostly Cloudy 15%
RAIN
.1–.25 in		 0% Thunder
( 11% severe)		 NNE   10 84% 62°

Mostly Cloudy



 SAN ANTONIO, TX 78221 weather forecast Day 3, 9 hours 10 AM 71° 71° Mostly Cloudy NNE   12 71% 61°
SAN ANTONIO, TX 78221 weather forecast Day 3, 15 hours 1 PM 76° 78° Partly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 NE   13 54% 58°
SAN ANTONIO, TX 78221 weather forecast Day 3, 18 hours 4 PM 78° 79° Partly Cloudy NE   12 47% 56°
SAN ANTONIO, TX 78221 weather forecast Day 3, 21 hours 7 PM 77° 78° Partly Cloudy     NE   10 45% 54°

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 61° Low 68° Low 70° Low 72° Low 64°
High 82° High 81° High 85° High 88° High 80°
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
22% Rain		 Overcast
39% Rain		 Overcast
56% Rain		 Overcast
45% Rain		 Overcast
35% Rain
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