PORT LAVACA, TX 77979 Weather Forecast & Current Conditions

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CALHOUN CNTY ARPT, TX
Current Weather

6:55 AM CST DEC 23, 2025
Fog
68°F
Feels Like: 68°F
Dewpoint: 68°F
Rel. Hum.: 100%
Visibility: 1/2 miles
Wind: Calm
Pressure: 30.20 inches
Last 72 hours

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PORT LAVACA, TX 77979
Weather Forecast

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Snow Depth pages
TODAY
Areas of dense fog this morning. Mostly cloudy. Highs in the mid 70s. Southeast winds 5 to 10 mph.
TONIGHT
Mostly cloudy. Patchy fog. Lows in the mid 60s. East winds 5 to 10 mph, diminishing to around 5 mph after midnight.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog in the morning. Highs in the mid 70s. Southeast winds 5 to 10 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.
CHRISTMAS DAY
Partly cloudy. Highs in the mid 70s. Southeast winds around 5 mph, increasing to 5 to 10 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
FRIDAY
Partly cloudy. Highs in the mid 70s.
FRIDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 60s.
SATURDAY
Partly cloudy. Highs in the mid 70s.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
SUNDAY
Mostly cloudy. Highs in the mid 70s.
SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Cooler with lows in the lower 50s. Chance of rain 30 percent.
MONDAY
Partly cloudy. Much cooler with highs around 60.

Visible Weather Satellite
PORT LAVACA, TX 77979
Infrared Weather Satellite
PORT LAVACA, TX 77979
NEXRAD Weather Radar
PORT LAVACA, TX 77979

CALHOUN CNTY ARPT, TX 3 hourly weather forecast

weather forecast created  6:00 PM CST 12/22/2025
Tuesday
23 DEC 2025
PORT LAVACA, TX 77979 weather forecast Day 1, 0 hours 12 AM 69° 69° Mostly Cloudy 2%

0% Thunder
( 10% severe)
SE   6 100% 69°
Low 68° PORT LAVACA, TX 77979 weather forecast Day 1, 3 hours 3 AM 69° 69° Mostly Cloudy SSE   5 100% 69°
High 80° PORT LAVACA, TX 77979 weather forecast Day 1, 6 hours 6 AM 69° 69° Mostly Cloudy 4%

0% Thunder
( 4% severe)
SE   5 100% 69°

Mostly Cloudy



PORT LAVACA, TX 77979 weather forecast Day 1, 9 hours 9 AM 73° 73° Mostly Cloudy SE   6 100% 73°
PORT LAVACA, TX 77979 weather forecast Day 1, 12 hours 12 PM 78° 80° Mostly Cloudy 3%

0% Thunder
( 5% severe)
SE   9 82% 72°
PORT LAVACA, TX 77979 weather forecast Day 1, 15 hours 3 PM 78° 80° Mostly Cloudy SE   10 79% 71°
PORT LAVACA, TX 77979 weather forecast Day 1, 18 hours 6 PM 71° 71° Mostly Cloudy 4%

0% Thunder
( 3% severe)
ESE   7 97% 70°
PORT LAVACA, TX 77979 weather forecast Day 1, 21 hours 9 PM 69° 69° Partly Cloudy ESE   5 100% 69°
Wednesday
24 DEC 2025
PORT LAVACA, TX 77979 weather forecast Day 2, 0 hours 12 AM 68° 68° Mostly Cloudy 4%

0% Thunder
( 3% severe)
ESE   5 100% 68°
Low 65° PORT LAVACA, TX 77979 weather forecast Day 2, 3 hours 3 AM 68° 68° Mostly Cloudy ESE   3 100% 68°
High 80° PORT LAVACA, TX 77979 weather forecast Day 2, 6 hours 6 AM 67° 67° Mostly Cloudy 1%

0% Thunder
( 3% severe)
E   3 100% 67°

Mostly Cloudy



PORT LAVACA, TX 77979 weather forecast Day 2, 9 hours 9 AM 71° 71° Mostly Cloudy ESE   5 100% 71°
PORT LAVACA, TX 77979 weather forecast Day 2, 12 hours 12 PM 77° 79° Partly Cloudy 3%

0% Thunder
( 2% severe)
SE   8 82% 71°
PORT LAVACA, TX 77979 weather forecast Day 2, 15 hours 3 PM 78° 80° Partly Cloudy SE   9 76% 70°
PORT LAVACA, TX 77979 weather forecast Day 2, 18 hours 6 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 1% severe)
SE   6 93% 69°
PORT LAVACA, TX 77979 weather forecast Day 2, 21 hours 9 PM 68° 68° Partly Cloudy SE   5 100% 68°

CALHOUN CNTY ARPT, TX extended weather forecast

Thursday
25 DEC 2025
Friday
26 DEC 2025
Saturday
27 DEC 2025
Sunday
28 DEC 2025
Monday
29 DEC 2025
Low 66° Low 65° Low 68° Low 64° Low 55°
High 80° High 81° High 81° High 80° High 69°
PORT LAVACA, TX 77979 weather forecast Day 3 PORT LAVACA, TX 77979 weather forecast Day 4 PORT LAVACA, TX 77979 weather forecast Day 5 PORT LAVACA, TX 77979 weather forecast Day 6 PORT LAVACA, TX 77979 weather forecast Day 7
Partly Cloudy
8% Rain
Partly Cloudy
10% Rain
Mostly Cloudy
11% Rain
Partly Cloudy
18% Rain
Mostly Cloudy
25% Rain
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