28.3840’ N, 96.3660’ W

Port Lavaca, TX

84°
H 89°
L 81°
SE
4mph
High tide
9:14 am

Port Lavaca, TX Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Sep 21
Partly Cloudy
Close Hourly
89º / 81º 21% ESE 13 mph 69%
8am Partly Cloudy 84º 2% SE 4 mph 76%
9am Mostly Sunny 86º 2% ESE 6 mph 72%
10am Partly Cloudy 87º 2% ESE 6 mph 69%
11am Partly Cloudy 88º 3% ESE 7 mph 68%
12pm Partly Cloudy 88º 15% ESE 8 mph 67%
1pm Partly Cloudy 89º 15% ESE 9 mph 67%
2pm Partly Cloudy 88º 15% ESE 10 mph 67%
3pm Partly Cloudy 89º 15% ESE 11 mph 66%
4pm Partly Cloudy 88º 21% ESE 12 mph 67%
5pm Partly Cloudy 88º 21% ESE 12 mph 67%
6pm Mostly Sunny 88º 21% ESE 13 mph 69%
7pm Sunny 86º 3% ESE 13 mph 72%
8pm Clear 86º 3% ESE 11 mph 74%
9pm Mostly Clear 85º 4% ESE 11 mph 76%
10pm Mostly Clear 85º 4% ESE 10 mph 77%
11pm Mostly Clear 85º 4% ESE 10 mph 78%
Tue
Sep 22
Partly Cloudy
View Hourly
89º / 82º 15% ENE 13 mph 72%
12am Mostly Clear 85º 4% ESE 9 mph 77%
1am Mostly Clear 84º 9% SE 8 mph 77%
2am Mostly Clear 84º 5% SE 7 mph 78%
3am Mostly Clear 84º 4% SE 7 mph 79%
4am Mostly Clear 83º 10% ESE 5 mph 80%
5am Mostly Clear 83º 13% ESE 4 mph 81%
6am Mostly Clear 82º 6% E 4 mph 82%
7am Partly Cloudy 82º 7% NE 4 mph 83%
8am Partly Cloudy 83º 14% NE 5 mph 82%
9am Partly Cloudy 84º 5% NE 7 mph 79%
10am Partly Cloudy 86º 7% NE 8 mph 75%
11am Mostly Sunny 87º 7% NE 9 mph 70%
12pm Partly Cloudy 87º 15% ENE 9 mph 70%
1pm Partly Cloudy 88º 15% E 10 mph 68%
2pm Partly Cloudy 88º 15% E 11 mph 68%
3pm Partly Cloudy 88º 15% ESE 11 mph 67%
4pm Partly Cloudy 88º 15% ESE 12 mph 67%
5pm Sunny 88º 2% ESE 13 mph 68%
6pm Sunny 88º 3% ESE 13 mph 69%
7pm Mostly Sunny 86º 4% ESE 12 mph 73%
8pm Mostly Clear 86º 4% ESE 10 mph 75%
9pm Clear 86º 4% ESE 9 mph 76%
10pm Clear 86º 4% ESE 10 mph 77%
11pm Clear 86º 6% ESE 9 mph 77%
Wed
Sep 23
Sunny
View Hourly
89º / 83º 19% E 16 mph 73%
12am Clear 85º 4% ESE 8 mph 77%
1am Clear 85º 4% ESE 7 mph 77%
2am Mostly Clear 85º 23% ESE 7 mph 78%
3am Clear 84º 23% ESE 7 mph 79%
4am Mostly Clear 84º 6% E 6 mph 81%
5am Mostly Clear 84º 12% ENE 6 mph 81%
6am Mostly Clear 84º 8% ENE 8 mph 82%
7am Partly Cloudy 83º 15% ENE 8 mph 82%
Thu
Sep 24
Mostly Sunny 88º / 81º 24% ENE 17 mph 73%
Fri
Sep 25
Partly Cloudy 88º / 82º 12% E 16 mph 71%
Sat
Sep 26
Partly Cloudy 87º / 82º 17% ESE 14 mph 71%
Sun
Sep 27
Partly Cloudy 87º / 82º 24% SE 14 mph 74%
Mon
Sep 28
AM Thunderstorms 87º / 81º 39% SE 15 mph 75%

Weather Radar for Port Lavaca, TX See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Lavaca, TX

Today
High : 87ºF
ESE wind 5 to 10 kt. A slight chance of showers and thunderstorms between noon and 3pm. Seas 1 to 2 ft.
Tonight
Low : 84ºF
ESE wind 5 to 10 kt. Mostly clear. Seas 1 to 2 ft.
Tuesday
High : 87ºF
ENE wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Seas around 1 ft.
Tuesday Night
Low : 84ºF
ESE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.
Wednesday
High : 88ºF
ENE wind 10 to 15 kt. Sunny. Seas around 2 ft.
Wednesday Night
Low : 84ºF
E wind 10 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
High : 87ºF
ENE wind 10 to 15 kt. A slight chance of showers and thunderstorms before 1pm. Seas 2 to 3 ft.
Thursday Night
Low : 83ºF
E wind 10 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Friday
High : 86ºF
ENE wind around 10 kt. Mostly sunny. Seas around 2 ft.

NOAA Buoy Data Near Port Lavaca, TX See Map

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    Wind Speed Forecast for Port Lavaca, TX

    MondayTuesdayWednesday
    Wind Speed (MPH) 4812119559121086
    1pm5pm9pm1am5am9am1pm5pm9pm1am5am9am
    MPH 4812119559121086
    DIR SEESEESEESEESEESENEENEESEESEESEE

    Current Weather Conditions In Port Lavaca, TX

    As Of: 35 minutes ago

    • 84ºF
    • 94ºF
    • 4mph
    • 0º (SE)
    • 4mph
    • Partly Cloudy
    • 9mi
    • 29.90"
    • 76%
    • 0ºF

    The weather right now in Port Lavaca, TX is Partly Cloudy. The current temperature is 84°F, and the expected high and low for today, Monday, September 21, 2026, are 89° high temperature and 81°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Southeast. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 76 percent, and air pressure at 29.9 in. Visibility is 9 nautical miles. There are no current weather alert(s).