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 chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
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: Jul 12, 2026 3:57 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Port Lavaca, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 3:57 AM CDT
- Forecast office
- CRP
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Lavaca
Friday looks like the warmest upcoming period in Port Lavaca at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 79 degrees F.
The strongest winds are forecast for Thursday at about 8 to 14 mph SE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 3:57 AM 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. Mostly cloudy, with a low around 79. Southeast wind around 9 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 7 to 12 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Southeast wind around 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Partly cloudy, with a low around 81.
Mostly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
79°F |
9 mph
SE
|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
86°F |
7 to 12 mph
SE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms
|
80°F |
10 mph
SE
|
|
Thursday
Jul 16
|
Slight Chance Showers And Thunderstorms
|
88°F |
8 to 14 mph
SE
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
81°F |
9 to 14 mph
SE
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
8 to 14 mph
SSE
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
81°F |
7 to 14 mph
SSE
|
|
Saturday
Jul 18
|
Mostly Sunny
|
89°F |
6 to 13 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Lavaca.
