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
6:35 PM CST FEB 18, 2026
Few Clouds 72°F
Feels Like:	72°F
Dewpoint:	68°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	S at 9 mph
Pressure:	29.74 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

TONIGHT
Mostly cloudy. Patchy fog after midnight. Lows in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY NIGHT
Mostly cloudy. Widespread dense fog in the evening, then areas of fog after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph.

FRIDAY
Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 70s. Southeast winds 10 to 15 mph.

FRIDAY NIGHT
Mostly cloudy. Lows in the mid 60s. Southeast winds 5 to 10 mph.

SATURDAY
Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80.

SATURDAY NIGHT
Partly cloudy and breezy, cooler with lows in the lower 50s.

SUNDAY
Sunny, breezy, cooler with highs in the upper 60s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

MONDAY
Sunny. Highs in the mid 60s.

MONDAY NIGHT
Mostly clear. Lows in the lower 50s.

TUESDAY
Partly cloudy. Highs in the upper 60s.

TUESDAY NIGHT
Partly cloudy. Lows in the upper 50s.

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 2/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
18 FEB 2026

12 PM

77°

79°

Partly Cloudy

0%

0% Thunder
( 0% severe)

S 14

71%

67°

High 79°

3 PM

78°

80°

Partly Cloudy

S 16

67%

66°

Mostly Cloudy

6 PM

73°

73°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

S 13

81%

67°

9 PM

69°

69°

Mostly Cloudy

S 10

97%

68°

Thursday
19 FEB 2026

12 AM

69°

69°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

S 13

97%

68°

Low 66°

3 AM

68°

68°

Mostly Cloudy

S 13

97%

67°

High 82°

6 AM

68°

68°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

S 10

97%

67°

Mostly Cloudy

9 AM

73°

73°

Partly Cloudy

S 14

90%

70°

12 PM

79°

82°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

SSW 14

72%

69°

3 PM

80°

83°

Mostly Cloudy

SSE 12

67%

68°

6 PM

74°

74°

Partly Cloudy

0%

0% Thunder
( 1% severe)

SE 9

82%

68°

9 PM

68°

68°

Mostly Cloudy

SE 7

100%

68°

Friday
20 FEB 2026

12 AM

68°

68°

Mostly Cloudy

0%

0% Thunder
( 4% severe)

SSE 6

100%

68°

Low 65°

3 AM

67°

67°

Mostly Cloudy

SSE 6

100%

67°

High 82°

6 AM

67°

67°

Mostly Cloudy

3%

0% Thunder
( 5% severe)

SE 5

100%

67°

Mostly Cloudy

9 AM

72°

72°

Mostly Cloudy

SSE 8

97%

71°

12 PM

79°

82°

Mostly Cloudy

1%

0% Thunder
( 3% severe)

SSE 12

74%

70°

3 PM

80°

83°

Partly Cloudy

SSE 13

69%

69°

6 PM

75°

75°

Partly Cloudy

SSE 9

82%

69°


CALHOUN CNTY ARPT, TX extended weather forecast
Saturday 21 FEB 2026	Sunday 22 FEB 2026	Monday 23 FEB 2026	Tuesday 24 FEB 2026	Wednesday 25 FEB 2026
Low 63°	Low 51°	Low 43°	Low 52°	Low 66°
High 79°	High 70°	High 70°	High 73°	High 77°

Mostly Cloudy 19% Rain	Partly Cloudy 17% Rain	Clear 4% Rain	Partly Cloudy 12% Rain	Mostly Cloudy 23% Rain

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