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
12:53 PM CST JAN 2, 2026
Clear 82°F
Feels Like:	80°F
Dewpoint:	46°F
Rel. Hum.:	28%
Visibility:	10 miles
Wind:	SW at 10 mph, gusts to 20
Pressure:	29.79 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

THIS AFTERNOON
Sunny. Not as cool with highs in the mid 80s. West winds 10 to 15 mph with gusts up to 25 mph.

TONIGHT
Clear. Lows in the mid 50s. West winds 5 to 10 mph.

SATURDAY
Sunny. Highs in the upper 70s. North winds 10 to 15 mph with gusts up to 25 mph.

SATURDAY NIGHT
Clear, cooler with lows in the mid 40s. Northeast winds 5 to 10 mph.

SUNDAY
Sunny. Highs in the lower 70s. Northeast winds around 5 mph, becoming southeast in the afternoon.

SUNDAY NIGHT
Clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

MONDAY
Cloudy in the morning, then becoming partly cloudy. Highs in the mid 70s.

MONDAY NIGHT
Partly cloudy. Lows in the upper 50s.

TUESDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.

TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

WEDNESDAY
Mostly cloudy. Highs in the upper 70s.

WEDNESDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly cloudy after midnight. Lows in the upper 50s.

THURSDAY
Partly 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 1/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
2 JAN 2026

12 PM

78°

78°

Clear

0%

0% Thunder
( 0% severe)

W 10

34%

47°

High 87°

3 PM

86°

83°

Clear

W 12

26%

47°

Clear

6 PM

79°

79°

Clear

0%

0% Thunder
( 0% severe)

W 8

32%

47°

9 PM

68°

68°

Clear

W 6

49%

48°

Saturday
3 JAN 2026

12 AM

63°

63°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 6

58%

48°

Low 55°

3 AM

60°

59°

Clear

W 7

60%

46°

High 79°

6 AM

57°

56°

Clear

0%

0% Thunder
( 0% severe)

WNW 7

59%

43°

Clear

9 AM

64°

63°

Clear

N 10

43%

41°

12 PM

75°

75°

Clear

0%

0% Thunder
( 0% severe)

NNE 12

29%

41°

3 PM

78°

78°

Clear

NNE 10

27%

41°

6 PM

71°

71°

Clear

0%

0% Thunder
( 0% severe)

NNE 7

35%

42°

9 PM

62°

62°

Clear

NNE 6

52%

44°

Sunday
4 JAN 2026

12 AM

57°

57°

Clear

0%

0% Thunder
( 0% severe)

NNE 5

64%

45°

Low 48°

3 AM

53°

52°

Clear

NNE 5

71%

44°

High 73°

6 AM

50°

48°

Clear

0%

0% Thunder
( 0% severe)

NE 5

71%

41°

Clear

9 AM

55°

54°

Clear

ENE 5

59%

41°

12 PM

66°

66°

Clear

0%

0% Thunder
( 0% severe)

ESE 6

40%

41°

3 PM

72°

72°

Clear

SE 5

33%

41°

6 PM

67°

67°

Clear

SE 5

40%

42°


SAN ANTONIO/STIN, TX extended weather forecast
Monday 5 JAN 2026	Tuesday 6 JAN 2026	Wednesday 7 JAN 2026	Thursday 8 JAN 2026	Friday 9 JAN 2026
Low 47°	Low 57°	Low 57°	Low 61°	Low 56°
High 76°	High 79°	High 78°	High 76°	High 77°

Partly Cloudy 7% Rain	Partly Cloudy 16% Rain	Mostly Cloudy 14% Rain	Overcast 24% Rain	Overcast 39% Rain

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