PORT LAVACA, TX 77979 Weather Forecast & Current Conditions

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CALHOUN CNTY ARPT, TX
Current Weather

8:55 PM CDT MAR 11, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 59°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: NNE at 10 mph
Pressure: 30.02 inches
Last 72 hours

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PORT LAVACA, TX 77979
Weather Forecast

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TONIGHT
Mostly clear and windy. Much cooler with lows around 50. North winds 20 to 25 mph with gusts up to 35 mph, increasing to 25 to 35 mph with gusts up to 45 mph after midnight.
THURSDAY
Sunny, windy and much cooler with highs in the upper 60s. North winds 20 to 30 mph with gusts up to 40 mph, diminishing to 15 to 20 mph in the afternoon.
THURSDAY NIGHT
Mostly clear. Lows in the lower 50s. Northeast winds 5 to 10 mph, becoming east after midnight.
FRIDAY
Sunny. Highs in the lower 70s. South winds around 5 mph, increasing to 5 to 10 mph in the afternoon.
FRIDAY NIGHT
Clear. Lows around 60. South winds 5 to 10 mph.
SATURDAY
Sunny. Highs in the mid 70s.
SATURDAY NIGHT
Mostly clear. Lows in the mid 60s.
SUNDAY
Partly cloudy. Highs in the upper 70s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Breezy, cooler with lows in the mid 50s.
MONDAY
Mostly cloudy and breezy, cooler with highs in the mid 60s.
MONDAY NIGHT
Mostly cloudy. Lows in the lower 50s.
TUESDAY
Mostly cloudy. Highs in the upper 60s.
TUESDAY NIGHT
Mostly cloudy. Lows in the upper 50s.

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 AM CST  3/11/2026
Wednesday
11 MAR 2026
PORT LAVACA, TX 77979 weather forecast Day 1, 12 hours 12 PM 79° 82° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 21% severe)
WSW   15 74% 70°
High 85° PORT LAVACA, TX 77979 weather forecast Day 1, 15 hours 3 PM 84° 85° Clear WNW   14 48% 62°
Partly Cloudy



PORT LAVACA, TX 77979 weather forecast Day 1, 18 hours 6 PM 78° 80° Clear 3%

0% Thunder
( 1% severe)
NNW   10 56% 61°
PORT LAVACA, TX 77979 weather forecast Day 1, 21 hours 9 PM 70° 70° Partly Cloudy N   14 73% 61°
Thursday
12 MAR 2026
PORT LAVACA, TX 77979 weather forecast Day 2, 0 hours 12 AM 63° 61° Partly Cloudy 0%

0% Thunder
( 1% severe)
N   20 70% 53°
Low 50° PORT LAVACA, TX 77979 weather forecast Day 2, 3 hours 3 AM 56° 51° Clear N   21 66% 45°
High 70° PORT LAVACA, TX 77979 weather forecast Day 2, 6 hours 6 AM 51° 45° Clear 0%

0% Thunder
( 0% severe)
N   21 68% 41°

Clear




Breezy
PORT LAVACA, TX 77979 weather forecast Day 2, 9 hours 9 AM 56° 51° Clear N   21 57% 41°
PORT LAVACA, TX 77979 weather forecast Day 2, 12 hours 12 PM 64° 62° Clear 0%

0% Thunder
( 0% severe)
NNE   16 41% 40°
PORT LAVACA, TX 77979 weather forecast Day 2, 15 hours 3 PM 68° 68° Clear NNE   13 36% 40°
PORT LAVACA, TX 77979 weather forecast Day 2, 18 hours 6 PM 64° 64° Clear 0%

0% Thunder
( 0% severe)
NE   7 45% 42°
PORT LAVACA, TX 77979 weather forecast Day 2, 21 hours 9 PM 55° 55° Clear NE   3 66% 44°
Friday
13 MAR 2026
PORT LAVACA, TX 77979 weather forecast Day 3, 0 hours 12 AM 52° 52° Clear 0%

0% Thunder
( 0% severe)
E   2 77% 45°
Low 47° PORT LAVACA, TX 77979 weather forecast Day 3, 3 hours 3 AM 49° 49° Clear ESE   1 83% 44°
High 76° PORT LAVACA, TX 77979 weather forecast Day 3, 6 hours 6 AM 49° 49° Clear 0%

0% Thunder
( 0% severe)
SE   1 83% 44°

Clear



PORT LAVACA, TX 77979 weather forecast Day 3, 9 hours 9 AM 62° 63° Clear S   3 67% 51°
PORT LAVACA, TX 77979 weather forecast Day 3, 15 hours 12 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
S   9 48% 52°
PORT LAVACA, TX 77979 weather forecast Day 3, 18 hours 3 PM 75° 75° Clear S   12 46% 53°
PORT LAVACA, TX 77979 weather forecast Day 3, 21 hours 6 PM 68° 68° Clear     SSE   10 63% 55°

CALHOUN CNTY ARPT, TX extended weather forecast

Saturday
14 MAR 2026
Sunday
15 MAR 2026
Monday
16 MAR 2026
Tuesday
17 MAR 2026
Wednesday
18 MAR 2026
Low 59° Low 66° Low 57° Low 54° Low 62°
High 82° High 84° High 70° High 76° High 80°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
2% Rain
Partly Cloudy
4% Rain
Partly Cloudy
15% Rain
Partly Cloudy
12% Rain
Partly Cloudy
13% Rain
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