PORT LAVACA, TX 77979 Weather Forecast & Current Conditions

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77979 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
CALHOUN CNTY ARPT, TX Current Weather
4:15 PM CST JAN 7, 2026
Broken Clouds 77°F
Feels Like:	79°F
Dewpoint:	68°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	S at 14 mph
Pressure:
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

77979 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	PORT LAVACA, TX 77979 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Partly cloudy late this morning, then clearing. Near steady temperature in the mid 70s. South winds 10 to 15 mph.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Near steady temperature in the upper 60s. Southeast winds 10 to 15 mph, increasing to south 15 to 20 mph after midnight.

THURSDAY
Mostly cloudy. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.

THURSDAY NIGHT
Mostly cloudy. Lows in the upper 60s. South winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.

FRIDAY
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph. Chance of rain 50 percent.

FRIDAY NIGHT
Cloudy with a chance of showers. Much cooler with lows in the lower 50s. Chance of rain 40 percent.

SATURDAY
Mostly cloudy. Much cooler with highs in the lower 60s.

SATURDAY NIGHT
Cloudy. Lows in the mid 40s.

SUNDAY
Mostly cloudy. Highs in the lower 60s.

SUNDAY NIGHT
Mostly cloudy. Lows in the mid 40s.

MONDAY
Mostly cloudy. Highs in the lower 60s.

MONDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

TUESDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 60s.

77979 WEATHER SATELLITE LOOPS

Visible Weather Satellite
PORT LAVACA, TX 77979

Infrared Weather Satellite
PORT LAVACA, TX 77979

77979 WEATHER RADAR LOOP

NEXRAD Weather Radar
PORT LAVACA, TX 77979

MOS COMPUTER WEATHER FORECAST

CALHOUN CNTY ARPT, TX 3 hourly weather forecast

weather forecast created 6:00 AM CST 1/ 7/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
7 JAN 2026

12 PM

79°

82°

Partly Cloudy

0%

0% Thunder
( 0% severe)

S 13

72%

69°

High 81°

3 PM

80°

83°

Partly Cloudy

S 15

67%

68°

Partly Cloudy

6 PM

72°

72°

Partly Cloudy

3%

0% Thunder
( 0% severe)

SSE 12

90%

69°

9 PM

69°

69°

Mostly Cloudy

SSE 13

97%

68°

Thursday
8 JAN 2026

12 AM

69°

69°

Partly Cloudy

4%

0% Thunder
( 2% severe)

SSE 13

97%

68°

Low 67°

3 AM

69°

69°

Mostly Cloudy

SSE 15

97%

68°

High 81°

6 AM

70°

70°

Mostly Cloudy

6%

0% Thunder
( 7% severe)

S 16

97%

69°

Mostly Cloudy

Breezy

9 AM

75°

75°

Mostly Cloudy

S 20

87%

71°

12 PM

80°

83°

Mostly Cloudy

3%

0% Thunder
( 4% severe)

S 21

72%

70°

3 PM

80°

83°

Mostly Cloudy

S 20

69%

69°

6 PM

73°

73°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

S 14

87%

69°

9 PM

71°

71°

Mostly Cloudy

S 12

93%

69°

Friday
9 JAN 2026

12 AM

70°

70°

Mostly Cloudy

3%

0% Thunder
( 7% severe)

S 9

97%

69°

Low 68°

3 AM

70°

70°

Mostly Cloudy

S 7

97%

69°

High 82°

6 AM

70°

70°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 8% severe)

SSE 6

97%

69°

Mostly Cloudy

Chance of Rain

9 AM

74°

74°

Mostly Cloudy

S 8

93%

72°

12 PM

79°

82°

Mostly Cloudy

24%
RAIN
.01–.1 in

0% Thunder
( 11% severe)

S 12

74%

70°

3 PM

79°

81°

Mostly Cloudy

S 12

69%

68°

6 PM

73°

73°

Mostly Cloudy

SSW 7

79%

66°


CALHOUN CNTY ARPT, TX extended weather forecast
Saturday 10 JAN 2026	Sunday 11 JAN 2026	Monday 12 JAN 2026	Tuesday 13 JAN 2026	Wednesday 14 JAN 2026
Low 42°	Low 38°	Low 37°	Low 45°	Low 46°
High 65°	High 69°	High 66°	High 63°	High 68°

Overcast 39% Rain	Partly Cloudy 23% Rain	Mostly Cloudy 16% Rain	Overcast 40% Rain	Partly Cloudy 28% Rain

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