Port Lavaca, TX Weather Forecast

Local 7-day forecast

76°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Port Lavaca, TX in one place.

Sunday, April 12, 2026
Wind: 15 to 22 mph SE
Sunday

A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Southeast wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Local 7-day forecast

Local Weather Overview

This forecast page for Port Lavaca, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 11:39 PM CDT.

The active forecast window currently covers Apr 12 to Apr 16, 2026 for Port Lavaca, TX.

Page Snapshot

Page focus
city weather
Forecast window
Apr 12 to Apr 16, 2026
Latest sync
Apr 9, 2026 11:39 PM CDT
Forecast office
CRP
Source
NOAA / NWS
Next High
76°F
Sunday
Next Low
72°F
Sunday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
17 to 23 mph
Tuesday

Daily Outlook

Today
Apr 12
Chance Showers And Thunderstorms
76 °F
/ 72°F
Wind 15 to 22 mph
Mon
Apr 13
Partly Sunny
77 °F
/ 73°F
Wind 14 to 21 mph
Tue
Apr 14
Partly Sunny
78 °F
/ 72°F
Wind 17 to 23 mph
Wed
Apr 15
Mostly Cloudy
79 °F
/ 72°F
Wind 16 to 21 mph
Thu
Apr 16
Partly Sunny
79 °F
Wind 10 to 17 mph

This Week in Port Lavaca

Wednesday looks like the warmest upcoming period in Port Lavaca at 79 degrees F.

Sunday Night is the coolest period ahead with temperatures near 72 degrees F.

The strongest winds are forecast for Tuesday at about 17 to 23 mph SSE.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Apr 9, 2026 11:39 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
CRP
Radar station
KCRP

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
Apr 12
72°F
Chance Showers And Thunderstorms then Mostly Cloudy
14 to 21 mph SE

A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 72. Southeast wind 14 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Monday
Apr 13
77°F
Partly Sunny
14 to 21 mph SSE

Partly sunny, with a high near 77. South southeast wind 14 to 21 mph, with gusts as high as 26 mph.

Monday Night
Apr 13
73°F
Mostly Cloudy
20 mph SE

Mostly cloudy, with a low around 73. Southeast wind around 20 mph, with gusts as high as 24 mph.

Tuesday
Apr 14
78°F
Partly Sunny
17 to 23 mph SSE

Partly sunny, with a high near 78.

Tuesday Night
Apr 14
72°F
Mostly Cloudy
17 to 21 mph SSE

Mostly cloudy, with a low around 72.

Wednesday
Apr 15
79°F
Mostly Cloudy
16 to 21 mph SSE

Mostly cloudy, with a high near 79.

Wednesday Night
Apr 15
72°F
Mostly Cloudy
12 to 17 mph SE

Mostly cloudy, with a low around 72.

Thursday
Apr 16
79°F
Partly Sunny
10 to 17 mph SSE

Partly sunny, with a high near 79.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Apr 12
Chance Showers And Thunderstorms
76°F
15 to 22 mph
SE
Sunday Night
Apr 12
Chance Showers And Thunderstorms then Mostly Cloudy
72°F
14 to 21 mph
SE
Monday
Apr 13
Partly Sunny
77°F
14 to 21 mph
SSE
Monday Night
Apr 13
Mostly Cloudy
73°F
20 mph
SE
Tuesday
Apr 14
Partly Sunny
78°F
17 to 23 mph
SSE
Tuesday Night
Apr 14
Mostly Cloudy
72°F
17 to 21 mph
SSE
Wednesday
Apr 15
Mostly Cloudy
79°F
16 to 21 mph
SSE
Wednesday Night
Apr 15
Mostly Cloudy
72°F
12 to 17 mph
SE
Thursday
Apr 16
Partly Sunny
79°F
10 to 17 mph
SSE
HALFMOON REEF LIGHTHOUSE
HALFMOON REEF LIGHTHOUSE image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.