Current Weather Forecast for Port Lavaca

TX 77979  |   9:00am

Weather Conditions

84°

Feels Like 100°

Sunny

78° 93°

2

UV Index

Moderate

Air Quality

SSE 9 mph

Wind

0 in

rain

Today

Tue 8/11

93°

Highest Temperature

15%

Partly cloudy. A stray shower or thunderstorm is possible. High 93F. Winds SSE at 10 to 20 mph.

Tonight

Tue 8/11

80°

Lowest Temperature

15%

Partly cloudy. A stray shower or thunderstorm is possible. Low near 80F. Winds SSE at 10 to 20 mph.

Tomorrow

Wed 8/12

93°

Highest Temperature

15%

Some clouds in the morning will give way to mainly sunny skies for the afternoon. Hot. High 93F. Winds S at 10 to 20 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Port Lavaca

Hourly Weather Forecast & Temperature

10AM

2%

87°

Feels Like 103°

Mostly Sunny

S 11 mph

Wind

1019 mb

Pressure

83%

Humidity

4

UV Index

10mi

Visibility

25%

Cloud Cover

11AM

1%

88°

Feels Like 104°

Partly Cloudy

S 11 mph

Wind

1019 mb

Pressure

76%

Humidity

7

UV Index

10mi

Visibility

30%

Cloud Cover

12PM

1%

90°

Feels Like 106°

Partly Cloudy

S 13 mph

Wind

1018 mb

Pressure

71%

Humidity

10

UV Index

10mi

Visibility

30%

Cloud Cover

1PM

15%

91°

Feels Like 106°

Partly Cloudy

S 13 mph

Wind

1018 mb

Pressure

64%

Humidity

11

UV Index

10mi

Visibility

45%

Cloud Cover

2PM

15%

92°

Feels Like 107°

Partly Cloudy

SSE 14 mph

Wind

1017 mb

Pressure

63%

Humidity

11

UV Index

10mi

Visibility

39%

Cloud Cover

3PM

15%

92°

Feels Like 107°

Partly Cloudy

SSE 14 mph

Wind

1017 mb

Pressure

64%

Humidity

10

UV Index

10mi

Visibility

30%

Cloud Cover

4PM

15%

92°

Feels Like 106°

Mostly Sunny

SSE 14 mph

Wind

1016 mb

Pressure

63%

Humidity

7

UV Index

10mi

Visibility

28%

Cloud Cover

5PM

15%

91°

Feels Like 105°

Mostly Sunny

SSE 14 mph

Wind

1016 mb

Pressure

63%

Humidity

4

UV Index

10mi

Visibility

25%

Cloud Cover

6PM

15%

90°

Feels Like 104°

Mostly Sunny

SSE 14 mph

Wind

1016 mb

Pressure

67%

Humidity

2

UV Index

10mi

Visibility

26%

Cloud Cover

7PM

15%

89°

Feels Like 102°

Partly Cloudy

SSE 14 mph

Wind

1015 mb

Pressure

70%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

8PM

15%

86°

Feels Like 99°

Partly Cloudy

SE 13 mph

Wind

1015 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

33%

Cloud Cover

9PM

15%

84°

Feels Like 97°

Partly Cloudy

SSE 11 mph

Wind

1015 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

Tue 8/11

Tue

15%

78°

93°

Times of sun and clouds. Highs in the low 90s and lows in the low 80s.

107°

Feels Like

SSE 15 mph

Wind

72%

Humidity

11

UV Index

6:53 AM

Sunrise

8:09 PM

Sunset

Wed 8/12

Wed

15%

80°

93°

Times of sun and clouds. Highs in the low 90s and lows in the low 80s.

107°

Feels Like

S 16 mph

Wind

72%

Humidity

11

UV Index

6:54 AM

Sunrise

8:08 PM

Sunset

Thu 8/13

Thu

12%

80°

93°

Partly cloudy. Highs in the low 90s and lows in the low 80s.

107°

Feels Like

SSE 17 mph

Wind

71%

Humidity

11

UV Index

6:54 AM

Sunrise

8:07 PM

Sunset

Fri 8/14

Fri

18%

80°

92°

Partly cloudy. Highs in the low 90s and lows in the upper 70s.

107°

Feels Like

SSE 15 mph

Wind

73%

Humidity

9

UV Index

6:55 AM

Sunrise

8:06 PM

Sunset

Sat 8/15

Sat

13%

79°

93°

A few clouds. Highs in the low 90s and lows in the upper 70s.

106°

Feels Like

SE 13 mph

Wind

71%

Humidity

11

UV Index

6:55 AM

Sunrise

8:05 PM

Sunset

Sun 8/16

Sun

9%

77°

94°

Sunny. Highs in the mid 90s and lows in the upper 70s.

105°

Feels Like

SE 13 mph

Wind

69%

Humidity

11

UV Index

6:56 AM

Sunrise

8:04 PM

Sunset

Mon 8/17

Mon

11%

77°

94°

Abundant sunshine. Highs in the mid 90s and lows in the upper 70s.

106°

Feels Like

SE 13 mph

Wind

70%

Humidity

11

UV Index

6:57 AM

Sunrise

8:03 PM

Sunset

Tue 8/18

Tue

16%

78°

94°

Mainly sunny. Highs in the mid 90s and lows in the upper 70s.

106°

Feels Like

S 13 mph

Wind

70%

Humidity

11

UV Index

6:57 AM

Sunrise

8:02 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 578 Sunrise Bay, Port Lavaca, TX 77979
• 39 Woods Rd, Port Lavaca, TX 77979
• 1504 Justice Dr, Port Lavaca, TX 77979

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Texas

Potentially life-threatening fungus rapidly spreading across the US with limited treatment options

A deadly fungus is spreading rapidly across the globe, raising alarm among health experts as treatment options remain limited.

Hidden hazard: How to stay safe from harmful algal blooms this summer

As millions of Americans head to beaches, lakes and other bodies of water this summer, health officials are warning about harmful algal blooms that can pose serious health risks to people and pets.

The top 10 worst states for battling mosquitos thanks to heat and humidity

Outside ranked the 10 worst states for mosquitoes in 2026. Here's where the biting pests thrive most, and the climate and landscapes that help fuel their populations.

Bryan Norcross: The Atlantic goes quiet after Bertha fades away

The remnants of former Tropical Storm Bertha have moved into northern Mexico. It's now a weak disturbance over the mountains.

Load More Stories