Port Lavaca, TX Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Port Lavaca, TX.

Current Conditions — Port Lavaca, TX

VICTORIA (KVCT)

Cloudy

82.4 F

Humidity:62%
Wind Speed: mph
Barometer:29.81 in
Dewpoint:68.0 F
Visibility:10.00 mi
Precip:--
Heat Index:85.5 F
Wind Chill:NA
Apr 23 2026, 03:15 PM CDT
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5-Day Forecast — Port Lavaca, TX

Thursday

High 84 °F
Partly Sunny

Thursday
Night
Low 71 °F
Mostly Cloudy

Friday

High 84 °F
Mostly Cloudy

Friday
Night
Low 73 °F
Mostly Cloudy

Saturday

High 86 °F
Mostly Cloudy

Saturday
Night
Low 73 °F
Mostly Cloudy

Sunday

High 86 °F
Mostly Cloudy

Sunday
Night
Low 75 °F
Mostly Cloudy

Monday

High 89 °F
Partly Sunny

Detailed Forecast — Port Lavaca, TX

Thursday
Partly Sunny. High near 84°F. Wind 14 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Mostly Cloudy. Low around 71°F. Wind 8 to 13 mph, with gusts as high as 18 mph.
Friday
Mostly Cloudy. High near 84°F. Wind 9 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly Cloudy. Low around 73°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly Cloudy. High near 86°F. Wind 7 to 14 mph, with gusts as high as 17 mph.
Saturday Night
Mostly Cloudy. Low around 73°F. Wind around 8 mph, with gusts as high as 13 mph.
Sunday
Mostly Cloudy. High near 86°F. Wind around 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly Cloudy. Low around 75°F. Wind around 13 mph, with gusts as high as 17 mph.
Monday
Partly Sunny. High near 89°F. Wind 13 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly Cloudy. Low around 73°F. Wind around 6 mph, with gusts as high as 10 mph.
Tuesday
Partly Sunny. High near 89°F. Wind around 14 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly Cloudy. Low around 73°F. Wind around 8 mph, with gusts as high as 12 mph.
Wednesday
Mostly Cloudy. High near 86°F. Wind 17 to 18 mph, with gusts as high as 24 mph.
TX Radar
Current Radar • TX
Day 1 Outlook • April 23, 2026

Observation History — Port Lavaca, TX

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
03:15 PM CDT 10.00 Cloudy -- 82.4 68.0 62% NA 85.5 29.81 1009.5
03:10 PM CDT 15.0 10.00 Cloudy -- 82.4 69.8 66% NA 86.2 29.81 1009.5
03:05 PM CDT 10.00 Cloudy -- 82.4 68.0 62% NA 85.5 29.81 1009.5
03:00 PM CDT 10.00 Cloudy -- 80.6 69.8 70% NA 83.8 29.81 1009.5
02:50 PM CDT SE 13.8 G 21.9 10.00 Cloudy -- 80.6 71.6 74% NA 84.6 29.81 1009.5
02:40 PM CDT SE 16.1 10.00 Cloudy -- 80.6 69.8 70% NA 83.8 29.81 1009.5
02:35 PM CDT 10.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.81 1009.5
02:25 PM CDT SE 16.1 10.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.81 1009.5
02:20 PM CDT 10.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.82 1009.8
02:15 PM CDT 10.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.82 1009.8
02:10 PM CDT 10.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.83 1010.2
02:05 PM CDT SE 17.3 10.00 Mostly Cloudy -- 82.4 71.6 70% NA 87.3 29.83 1010.2
02:00 PM CDT 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.83 1010.2
01:50 PM CDT SE 15.0 10.00 Cloudy -- 80.6 69.8 70% NA 83.8 29.84 1010.5
01:45 PM CDT SE 16.1 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.84 1010.5
01:35 PM CDT SE 15.0 10.00 Cloudy -- 80.6 69.8 70% NA 83.8 29.85 1010.8
01:30 PM CDT SE 15.0 10.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.86 1011.2
01:25 PM CDT SE 13.8 G 19.6 10.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.86 1011.2
01:20 PM CDT SE 13.8 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.86 1011.2
01:15 PM CDT SE 15.0 10.00 Mostly Cloudy -- 80.6 69.8 70% NA 83.8 29.86 1011.2
01:10 PM CDT 17.3 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.86 1011.2
01:05 PM CDT 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.86 1011.2
01:00 PM CDT 17.3 10.00 Mostly Cloudy -- 84.2 69.8 62% NA 88.5 29.86 1011.2
12:50 PM CDT 15.0 10.00 Mostly Cloudy -- 82.4 69.8 66% NA 86.2 29.87 1011.5

Regional Weather Observation

VICTORIA (KVCT)

Cloudy
82.4 F

PALACIOS (KPSX)

Mostly Clear
80.6 F

ROCKPORT (KRKP)

Cloudy
80.6 F

WHARTON (KARM)

Partly Cloudy
81.9 F

BAY CITY (KBYY)

Mostly Cloudy
82.0 F

KENEDY (K2R9)

Cloudy
82.4 F
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