Port Lavaca, TX Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Port Lavaca, TX in one place.
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 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
Daily Outlook
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 sourceExtended Forecast
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%.
Partly sunny, with a high near 77. South southeast wind 14 to 21 mph, with gusts as high as 26 mph.
Mostly cloudy, with a low around 73. Southeast wind around 20 mph, with gusts as high as 24 mph.
Partly sunny, with a high near 78.
Mostly cloudy, with a low around 72.
Mostly cloudy, with a high near 79.
Mostly cloudy, with a low around 72.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Lavaca.