JBSA FT SAM HOUSTON, TX 78234 Weather Forecast & Current Conditions

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78234 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
SAN ANTONIO, TX Current Weather
2:51 PM CDT AUG 26, 2025
Broken Clouds 93°F
Feels Like:	96°F
Dewpoint:	66°F
Rel. Hum.:	41%
Visibility:	10 miles
Wind:	SSE at 7 mph, gusts to 16
Pressure:	30.05 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

78234 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	JBSA FT SAM HOUSTON, TX 78234 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly this evening. Lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Chance of rain 30 percent.

WEDNESDAY
Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph.

THURSDAY
Mostly sunny. Highs in the upper 90s. South winds 5 to 10 mph.

THURSDAY NIGHT
Clear. Lows in the mid 70s. South winds 5 to 10 mph.

FRIDAY
Mostly sunny. Highs in the upper 90s. Highest heat index readings up to 105.

FRIDAY NIGHT
Mostly clear with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 70s.

SATURDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Highest heat index readings up to 105.

SATURDAY NIGHT
Partly 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 mid 70s. Chance of rain 30 percent.

SUNDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.

LABOR DAY
Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.

MONDAY NIGHT
Partly cloudy. Lows in the lower 70s.

78234 WEATHER SATELLITE LOOPS

Visible Weather Satellite
JBSA FT SAM HOUSTON, TX 78234

Infrared Weather Satellite
JBSA FT SAM HOUSTON, TX 78234

78234 WEATHER RADAR LOOP

NEXRAD Weather Radar
JBSA FT SAM HOUSTON, TX 78234

MOS COMPUTER WEATHER FORECAST

SAN ANTONIO, TX 3 hourly weather forecast

weather forecast created 7:00 AM CDT 8/26/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
26 AUG 2025

1 PM

90°

93°

Partly Cloudy

28%
RAIN
<.01 in

0% Thunder
( 31% severe)

E 7

47%

67°

High 95°

4 PM

94°

97°

Partly Cloudy

E 10

39%

65°

Partly Cloudy

Chance of Rain

7 PM

90°

92°

Partly Cloudy

26%
RAIN
.5–1 in

0% Thunder
( 25% severe)

SE 13

45%

66°

10 PM

84°

88°

Partly Cloudy

SE 10

63%

70°

Wednesday
27 AUG 2025

1 AM

80°

83°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 13% severe)

SSE 6

74%

71°

Low 76°

4 AM

78°

80°

Partly Cloudy

ESE 3

82%

72°

High 95°

7 AM

77°

78°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 8% severe)

E 5

87%

73°

Partly Cloudy

Chance of Rain

10 AM

82°

87°

Partly Cloudy

SE 6

74%

73°

1 PM

89°

94°

Partly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 24% severe)

SE 7

52%

69°

4 PM

92°

96°

Partly Cloudy

SSE 9

46%

68°

7 PM

90°

93°

Partly Cloudy

7%

0% Thunder
( 11% severe)

SE 12

47%

67°

10 PM

85°

89°

Partly Cloudy

SE 12

59%

69°

Thursday
28 AUG 2025

1 AM

80°

83°

Clear

2%

0% Thunder
( 3% severe)

SSE 9

74%

71°

Low 76°

4 AM

78°

80°

Partly Cloudy

S 7

82%

72°

High 98°

7 AM

77°

78°

Partly Cloudy

2%

0% Thunder
( 3% severe)

S 6

87%

73°

Partly Cloudy

10 AM

83°

88°

Partly Cloudy

S 8

70%

72°

1 PM

91°

95°

Clear

4%

0% Thunder
( 14% severe)

S 9

47%

68°

4 PM

96°

99°

Partly Cloudy

S 9

36%

65°

7 PM

94°

96°

Clear

SSE 10

37%

64°


SAN ANTONIO, TX extended weather forecast
Friday 29 AUG 2025	Saturday 30 AUG 2025	Sunday 31 AUG 2025	Monday 1 SEP 2025	Tuesday 2 SEP 2025
Low 78°	Low 77°	Low 74°	Low 73°	Low 74°
High 99°	High 94°	High 89°	High 91°	High 95°

Partly Cloudy 11% Rain	Mostly Cloudy 34% Rain	Overcast 55% Rain	Mostly Cloudy 47% Rain	Partly Cloudy 22% Rain

WEATHER SELECT BOX EXAMPLES:

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STATE WEATHER MAP:

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