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
3:53 AM CDT APR 2, 2026
Overcast
72°F
Feels Like: 72°F
Dewpoint: 66°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: SSE at 8 mph
Pressure: 29.79 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
2025 Hurricanes

SAN ANTONIO, TX 78221
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy. A slight chance of showers. Near steady temperature in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
THURSDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the mid 80s. Southeast winds 15 to 20 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY
Mostly cloudy. Highs in the upper 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY NIGHT
Cloudy with 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. Southeast winds 15 to 20 mph. Chance of rain 50 percent.
SATURDAY
Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 90 percent.
SATURDAY NIGHT
Cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Cooler with lows in the mid 50s. Chance of rain 50 percent.
SUNDAY
Cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Much cooler with highs in the mid 60s. Chance of rain 50 percent.
SUNDAY NIGHT
Cloudy with a 30 percent chance of showers. Lows in the lower 50s.
MONDAY
Cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs in the upper 60s.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50.
TUESDAY
Mostly cloudy. Highs in the lower 70s.
TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.

  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  7:00 PM EST  4/ 1/2026
Thursday
2 APR 2026		 SAN ANTONIO, TX 78221 weather forecast Day 1, 0 hours 12 AM 73° 73° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 8% severe)		 SSE   14 76% 65°
Low 70° SAN ANTONIO, TX 78221 weather forecast Day 1, 3 hours 3 AM 72° 72° Mostly Cloudy SSE   10 81% 66°
High 87° SAN ANTONIO, TX 78221 weather forecast Day 1, 6 hours 6 AM 71° 71° Mostly Cloudy 34%
RAIN
.25–.5 in		 0% Thunder
( 11% severe)		 E   6 87% 67°

Mostly Cloudy

Chance of Rain

 SAN ANTONIO, TX 78221 weather forecast Day 1, 9 hours 9 AM 73° 73° Mostly Cloudy E   9 84% 68°
SAN ANTONIO, TX 78221 weather forecast Day 1, 12 hours 12 PM 79° 81° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 13% severe)		 SE   12 67% 67°
SAN ANTONIO, TX 78221 weather forecast Day 1, 15 hours 3 PM 85° 87° Mostly Cloudy SSE   14 51% 65°
SAN ANTONIO, TX 78221 weather forecast Day 1, 18 hours 6 PM 84° 85° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 SE   16 51% 64°
SAN ANTONIO, TX 78221 weather forecast Day 1, 21 hours 9 PM 76° 78° Partly Cloudy SE   14 71% 66°
Friday
3 APR 2026		 SAN ANTONIO, TX 78221 weather forecast Day 2, 0 hours 12 AM 73° 73° Mostly Cloudy 7%

 0% Thunder
( 11% severe)		 SSE   12 81% 67°
Low 70° SAN ANTONIO, TX 78221 weather forecast Day 2, 3 hours 3 AM 72° 72° Mostly Cloudy SSE   10 84% 67°
High 89° SAN ANTONIO, TX 78221 weather forecast Day 2, 6 hours 6 AM 72° 72° Mostly Cloudy 9%

 0% Thunder
( 9% severe)		 SSE   9 84% 67°

Mostly Cloudy



 SAN ANTONIO, TX 78221 weather forecast Day 2, 9 hours 9 AM 74° 74° Mostly Cloudy SSE   12 82% 68°
SAN ANTONIO, TX 78221 weather forecast Day 2, 12 hours 12 PM 82° 84° Mostly Cloudy 5%

 0% Thunder
( 9% severe)		 SSE   14 56% 65°
SAN ANTONIO, TX 78221 weather forecast Day 2, 15 hours 3 PM 87° 88° Mostly Cloudy SE   16 45% 63°
SAN ANTONIO, TX 78221 weather forecast Day 2, 18 hours 6 PM 84° 85° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 SE   18 49% 63°
SAN ANTONIO, TX 78221 weather forecast Day 2, 21 hours 9 PM 77° 79° Mostly Cloudy SE   14 71% 67°

SAN ANTONIO/STIN, TX extended weather forecast
Saturday
4 APR 2026		 Sunday
5 APR 2026		 Monday
6 APR 2026		 Tuesday
7 APR 2026		 Wednesday
8 APR 2026
Low 70° Low 56° Low 50° Low 51° Low 49°
High 77° High 60° High 68° High 76° High 79°
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
Overcast
61% Rain		 Overcast
82% Rain		 Overcast
50% Rain		 Mostly Cloudy
20% Rain		 Partly Cloudy
8% Rain
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