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 PM CDT APR 2, 2026
Scattered Clouds 88°F
Feels Like:	89°F
Dewpoint:	63°F
Rel. Hum.:	43%
Visibility:	10 miles
Wind:	S at 9 mph
Pressure:	29.80 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 2025 Hurricanes	SAN ANTONIO, TX 78221 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Lows in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY
Cloudy in the morning, then becoming partly cloudy. Highs in the upper 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

FRIDAY NIGHT
Cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms 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. Cooler with highs in the upper 70s. Southeast winds 5 to 10 mph, increasing to northeast 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 90 percent.

SATURDAY NIGHT
Cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Much cooler. Less humid with lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

SUNDAY
Cloudy with a 50 percent chance of showers. Cooler with highs in the mid 60s.

SUNDAY NIGHT
Cloudy with a 40 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. Lows in the upper 40s.

TUESDAY
Mostly cloudy. Highs in the lower 70s.

TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 50s.

THURSDAY
Cloudy. Highs in the upper 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 AM EST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
2 APR 2026

12 PM

80°

82°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 17% severe)

SSE 12

65%

67°

High 86°

3 PM

85°

87°

Mostly Cloudy

SSE 13

51%

65°

Mostly Cloudy

6 PM

83°

85°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 15% severe)

SE 16

55%

65°

9 PM

76°

78°

Partly Cloudy

SE 14

71%

66°

Friday
3 APR 2026

12 AM

73°

73°

Mostly Cloudy

7%

0% Thunder
( 11% severe)

SE 10

81%

67°

Low 70°

3 AM

72°

72°

Mostly Cloudy

SSE 9

84%

67°

High 90°

6 AM

71°

71°

Mostly Cloudy

7%

0% Thunder
( 8% severe)

SSE 9

87%

67°

Mostly Cloudy

9 AM

74°

74°

Mostly Cloudy

SSE 12

82%

68°

12 PM

83°

85°

Mostly Cloudy

6%

0% Thunder
( 9% severe)

SSE 15

55%

65°

3 PM

87°

88°

Partly Cloudy

SE 17

45%

63°

6 PM

84°

85°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 16% severe)

SE 20

49%

63°

9 PM

76°

77°

Mostly Cloudy

SE 15

74%

67°

Saturday
4 APR 2026

12 AM

74°

74°

Mostly Cloudy

45%
RAIN
>2 in

0% Thunder
( 15% severe)

SE 10

82%

68°

Low 71°

3 AM

73°

73°

Mostly Cloudy

SE 9

84%

68°

High 80°

6 AM

72°

72°

Mostly Cloudy

59%
RAIN
***

0% Thunder
( 16% severe)

SSE 7

87%

68°

Mostly Cloudy

Rain Likely

9 AM

73°

73°

Mostly Cloudy

SSE 7

84%

68°

12 PM

76°

78°

Mostly Cloudy

79%
RAIN
***

0% Thunder
( 37% severe)

SSE 8

69%

65°

3 PM

76°

78°

Mostly Cloudy

NNE 13

64%

63°

6 PM

69°

69°

Mostly Cloudy

NNE 16

70%

59°


SAN ANTONIO/STIN, TX extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 56°	Low 50°	Low 51°	Low 49°	Low 58°
High 60°	High 68°	High 76°	High 79°	High 80°

Overcast 82% Rain	Overcast 50% Rain	Mostly Cloudy 20% Rain	Partly Cloudy 8% Rain	Mostly Cloudy 20% Rain

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