PORT LAVACA, TX 77979 Weather Forecast & Current Conditions

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CALHOUN CNTY ARPT, TX
Current Weather

5:55 PM CST JAN 28, 2026
Clear
57°F
Feels Like: 56°F
Dewpoint: 30°F
Rel. Hum.: 35%
Visibility: 10 miles
Wind: NNW at 5 mph
Pressure: 30.33 inches
Last 72 hours

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PORT LAVACA, TX 77979
Weather Forecast

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Snow Depth pages
REST OF TODAY
Sunny. Highs in the upper 50s. North winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. East winds around 5 mph.
THURSDAY
Partly cloudy in the morning, then clearing. Highs in the mid 60s. Southeast winds around 5 mph, increasing to south in the afternoon.
THURSDAY NIGHT
Mostly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight.
FRIDAY
Mostly cloudy. Cooler with highs in the mid 50s. North winds 15 to 20 mph.
FRIDAY NIGHT
Mostly clear. Lows in the mid 30s. Wind chill values in the mid 20s after midnight.
SATURDAY
Sunny. Highs in the upper 40s. Wind chill values in the mid 20s in the morning.
SATURDAY NIGHT
Clear, cold with lows in the upper 20s.
SUNDAY
Sunny. Highs in the lower 50s. Wind chill values in the lower 20s in the morning.
SUNDAY NIGHT
Partly cloudy. Not as cool with lows in the lower 40s.
MONDAY
Partly cloudy. Highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy and not as cool. Near steady temperature in the mid 50s.
TUESDAY
Mostly cloudy. Highs in the upper 60s.

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  1/28/2026
Wednesday
28 JAN 2026
PORT LAVACA, TX 77979 weather forecast Day 1, 12 hours 12 PM 55° 54° Clear 0%

0% Thunder
( 0% severe)
N   6 43% 33°
High 61° PORT LAVACA, TX 77979 weather forecast Day 1, 15 hours 3 PM 60° 60° Clear N   6 37% 34°
Clear



PORT LAVACA, TX 77979 weather forecast Day 1, 18 hours 6 PM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   2 54% 37°
PORT LAVACA, TX 77979 weather forecast Day 1, 21 hours 9 PM 46° 45° Clear ENE   1 76% 39°
Thursday
29 JAN 2026
PORT LAVACA, TX 77979 weather forecast Day 2, 0 hours 12 AM 42° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
ENE   2 86% 38°
Low 38° PORT LAVACA, TX 77979 weather forecast Day 2, 3 hours 3 AM 40° 38° Partly Cloudy E   2 89% 37°
High 68° PORT LAVACA, TX 77979 weather forecast Day 2, 6 hours 6 AM 39° 37° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   2 96% 38°

Partly Cloudy



PORT LAVACA, TX 77979 weather forecast Day 2, 9 hours 9 AM 51° 51° Partly Cloudy E   2 80% 45°
PORT LAVACA, TX 77979 weather forecast Day 2, 12 hours 12 PM 65° 65° Clear 1%

0% Thunder
( 0% severe)
S   6 58% 50°
PORT LAVACA, TX 77979 weather forecast Day 2, 15 hours 3 PM 68° 68° Partly Cloudy S   7 57% 52°
PORT LAVACA, TX 77979 weather forecast Day 2, 18 hours 6 PM 61° 62° Partly Cloudy 4%

0% Thunder
( 1% severe)
S   2 78% 54°
PORT LAVACA, TX 77979 weather forecast Day 2, 21 hours 9 PM 55° 55° Mostly Cloudy W   3 90% 52°
Friday
30 JAN 2026
PORT LAVACA, TX 77979 weather forecast Day 3, 0 hours 12 AM 52° 49° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   9 83% 47°
Low 37° PORT LAVACA, TX 77979 weather forecast Day 3, 3 hours 3 AM 45° 39° Mostly Cloudy N   14 76% 38°
High 55° PORT LAVACA, TX 77979 weather forecast Day 3, 6 hours 6 AM 40° 32° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   15 79% 34°

Mostly Cloudy




Breezy
PORT LAVACA, TX 77979 weather forecast Day 3, 9 hours 9 AM 42° 34° Mostly Cloudy N   17 70% 33°
PORT LAVACA, TX 77979 weather forecast Day 3, 15 hours 12 PM 50° 44° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   16 52% 33°
PORT LAVACA, TX 77979 weather forecast Day 3, 18 hours 3 PM 54° 50° Mostly Cloudy N   16 45% 33°
PORT LAVACA, TX 77979 weather forecast Day 3, 21 hours 6 PM 49° 44° Partly Cloudy     N   12 56% 34°

CALHOUN CNTY ARPT, TX extended weather forecast

Saturday
31 JAN 2026
Sunday
1 FEB 2026
Monday
2 FEB 2026
Tuesday
3 FEB 2026
Wednesday
4 FEB 2026
Low 35° Low 21° Low 31° Low 51° Low 58°
High 49° High 51° High 60° High 68° High 69°
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
Clear
6% Rain/Snow
Clear
2% Rain/Snow
Mostly Cloudy
10% Rain
Overcast
52% Rain
Overcast
48% Rain
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