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
3:15 PM CST FEB 15, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 55°F
Rel. Hum.: 50%
Visibility: 9 miles
Wind: NW at 14 mph
Pressure: 29.97 inches
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
Sunny. Highs in the mid 70s. North winds 10 to 15 mph.
TONIGHT
Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph, becoming northeast after midnight.
WASHINGTONS BIRTHDAY
Patchy fog in the morning. Partly cloudy. Highs around 70. Northeast winds around 5 mph, increasing to southeast in the afternoon.
MONDAY NIGHT
Mostly clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.
TUESDAY
Sunny. Highs in the mid 70s. South winds 10 to 15 mph.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the mid 60s.
THURSDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.
THURSDAY NIGHT
Mostly cloudy. Lows in the mid 60s.
FRIDAY
Mostly cloudy. Highs in the upper 70s.
FRIDAY NIGHT
Mostly cloudy. Lows in the lower 60s.
SATURDAY
Partly cloudy. Highs in the mid 70s.

  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  2/15/2026
Sunday
15 FEB 2026		 PORT LAVACA, TX 77979 weather forecast Day 1, 12 hours 12 PM 72° 72° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 NNW   15 61% 58°
High 75° PORT LAVACA, TX 77979 weather forecast Day 1, 15 hours 3 PM 74° 74° Partly Cloudy NNW   15 53% 56°
Partly Cloudy



 PORT LAVACA, TX 77979 weather forecast Day 1, 18 hours 6 PM 68° 68° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 N   9 65% 56°
PORT LAVACA, TX 77979 weather forecast Day 1, 21 hours 9 PM 61° 60° Partly Cloudy N   7 84% 56°
Monday
16 FEB 2026		 PORT LAVACA, TX 77979 weather forecast Day 2, 0 hours 12 AM 57° 57° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 NNE   5 90% 54°
Low 50° PORT LAVACA, TX 77979 weather forecast Day 2, 3 hours 3 AM 54° 54° Partly Cloudy NE   3 93% 52°
High 74° PORT LAVACA, TX 77979 weather forecast Day 2, 6 hours 6 AM 52° 52° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 NNE   3 96% 51°

Partly Cloudy



 PORT LAVACA, TX 77979 weather forecast Day 2, 9 hours 9 AM 60° 61° Mostly Cloudy ENE   3 87% 56°
PORT LAVACA, TX 77979 weather forecast Day 2, 12 hours 12 PM 69° 69° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 ESE   6 63% 56°
PORT LAVACA, TX 77979 weather forecast Day 2, 15 hours 3 PM 72° 72° Partly Cloudy ESE   9 57% 56°
PORT LAVACA, TX 77979 weather forecast Day 2, 18 hours 6 PM 65° 65° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 SE   9 78% 58°
PORT LAVACA, TX 77979 weather forecast Day 2, 21 hours 9 PM 60° 59° Partly Cloudy SE   7 96% 59°
Tuesday
17 FEB 2026		 PORT LAVACA, TX 77979 weather forecast Day 3, 0 hours 12 AM 60° 60° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 SE   6 96% 59°
Low 57° PORT LAVACA, TX 77979 weather forecast Day 3, 3 hours 3 AM 59° 58° Partly Cloudy SSE   6 96% 58°
High 79° PORT LAVACA, TX 77979 weather forecast Day 3, 6 hours 6 AM 59° 58° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 SSE   6 96% 58°

Partly Cloudy



 PORT LAVACA, TX 77979 weather forecast Day 3, 9 hours 9 AM 68° 68° Partly Cloudy S   9 87% 64°
PORT LAVACA, TX 77979 weather forecast Day 3, 15 hours 12 PM 77° 79° Partly Cloudy 0%

 0% Thunder
( 0% severe)		 S   15 60% 62°
PORT LAVACA, TX 77979 weather forecast Day 3, 18 hours 3 PM 77° 79° Partly Cloudy S   17 60% 62°
PORT LAVACA, TX 77979 weather forecast Day 3, 21 hours 6 PM 71° 71° Partly Cloudy     SSE   14 79% 64°

CALHOUN CNTY ARPT, TX extended weather forecast
Wednesday
18 FEB 2026		 Thursday
19 FEB 2026		 Friday
20 FEB 2026		 Saturday
21 FEB 2026		 Sunday
22 FEB 2026
Low 65° Low 69° Low 67° Low 65° Low 62°
High 82° High 84° High 83° High 80° High 74°
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
Mostly Cloudy
5% Rain		 Mostly Cloudy
15% Rain		 Mostly Cloudy
18% Rain		 Overcast
32% Rain		 Mostly Cloudy
29% Rain
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