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
10:53 PM CDT JUL 4, 2026
Clear 82°F
Feels Like:	86°F
Dewpoint:	70°F
Rel. Hum.:	67%
Visibility:	10 miles
Wind:	SSE at 10 mph
Pressure:	29.95 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 clear this evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph.

SUNDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 90s. South winds 5 to 10 mph.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph.

MONDAY
Partly cloudy. Highs in the mid 90s. South winds 5 to 10 mph.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph.

TUESDAY
Partly cloudy. Highs in the mid 90s.

TUESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly clear. Lows in the mid 70s. Highs in the mid 90s.

FRIDAY
Partly cloudy in the morning, then clearing. Highs in the mid 90s.

FRIDAY NIGHT
Clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

SATURDAY
Mostly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 90s.

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 7/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 JUL 2026

1 PM

91°

96°

Partly Cloudy

0%

0% Thunder
( 11% severe)

S 8

49%

69°

High 95°

4 PM

94°

98°

Partly Cloudy

SSE 8

41%

67°

Partly Cloudy

7 PM

93°

96°

Partly Cloudy

0%

0% Thunder
( 5% severe)

SSE 9

41%

66°

10 PM

86°

91°

Mostly Cloudy

SSE 12

59%

70°

Sunday
5 JUL 2026

1 AM

81°

85°

Partly Cloudy

0%

0% Thunder
( 1% severe)

SSE 9

74%

72°

Low 76°

4 AM

78°

80°

Mostly Cloudy

SSE 6

85%

73°

High 95°

7 AM

76°

76°

Mostly Cloudy

0%

0% Thunder
( 2% severe)

CALM

90%

73°

Mostly Cloudy

10 AM

84°

90°

Mostly Cloudy

S 6

67%

72°

1 PM

91°

96°

Partly Cloudy

0%

0% Thunder
( 16% severe)

SE 7

49%

69°

4 PM

94°

97°

Mostly Cloudy

SE 7

40%

66°

7 PM

93°

95°

Partly Cloudy

0%

0% Thunder
( 8% severe)

SE 8

40%

65°

10 PM

86°

91°

Partly Cloudy

SSE 9

59%

70°

Monday
6 JUL 2026

1 AM

82°

87°

Partly Cloudy

0%

0% Thunder
( 2% severe)

SSE 8

72%

72°

Low 76°

4 AM

78°

80°

Partly Cloudy

S 5

82%

72°

High 95°

7 AM

76°

76°

Mostly Cloudy

0%

0% Thunder
( 3% severe)

CALM

90%

73°

Partly Cloudy

10 AM

84°

90°

Partly Cloudy

S 5

67%

72°

1 PM

91°

96°

Partly Cloudy

0%

0% Thunder
( 13% severe)

SSE 6

49%

69°

4 PM

93°

96°

Partly Cloudy

SSE 7

41%

66°

7 PM

93°

95°

Partly Cloudy

SE 8

38%

64°


SAN ANTONIO/STIN, TX extended weather forecast
Tuesday 7 JUL 2026	Wednesday 8 JUL 2026	Thursday 9 JUL 2026	Friday 10 JUL 2026	Saturday 11 JUL 2026
Low 75°	Low 75°	Low 75°	Low 77°	Low 76°
High 99°	High 100°	High 100°	High 100°	High 99°

Partly Cloudy 10% Rain	Partly Cloudy 13% Rain	Partly Cloudy 11% Rain	Partly Cloudy 14% Rain	Partly Cloudy 14% Rain

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