New York, NY 76° Los Angeles, CA 84° Chicago, IL 81° 🌤️ Houston, TX Miami, FL 88° Phoenix, AZ 105° 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 69°
WeatherLive › Texas › Port Lavaca

Port Lavaca, TX Weather (77979)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherPort Lavaca · 7:22 PM CDT
85° | 62°
63°F
Feels like 54°
Sunny
WindNE 16 mph · Gusts 17 mph
Precip9% · –
Humidity64% · Dew point 50°
UV index11 Very high
Air Quality32 Good
Pressure30.30 inHg
Visibility6 mi
Sunrise / Sunset6:56 AM · 8:05 PM · 13h 9m

Weather map — Port Lavaca

Full radar →
Now
63°
4%
16 mph
20:00
63°
4%
14 mph
21:00
64°
4%
15 mph
22:00
64°
4%
15 mph
23:00
64°
4%
17 mph
00:00
63°
4%
16 mph
01:00
64°
4%
17 mph
02:00
64°
5%
16 mph
03:00
64°
16%
17 mph
04:00
64°
16%
17 mph
05:00
64°
13%
18 mph
06:00
64°
11%
16 mph
07:00
64°
9%
16 mph
08:00
64°
14%
16 mph
09:00
65°
12%
16 mph
10:00
65°
10%
16 mph
11:00
65°
11%
16 mph
12:00
65°
13%
16 mph
13:00
65°
16%
15 mph
14:00
65°
15%
16 mph
15:00
66°
15%
17 mph
16:00
66°
13%
17 mph
17:00
65°
16%
15 mph
18:00
65°
18%
16 mph

Today · Sun 8/16

High 85°
9% / –

Sunny. Winds E at 17 mph.

Tonight · Sun 8/16

Low 63°
4% / –

Sunny. Winds NE at 15 mph.

Tomorrow · Mon 8/17

66° | 63°
21% / 0.01 in

Partly cloudy. Winds NE at 18 mph.

7-day trend

Port Lavaca · temperature + precipitation

10-day forecast

Updated 7:22 PM

Details & indices

Wind
16 mph NE
Gusts 17 mph
Humidity
64%
Dew point 50°
Pressure
30.30 inHg
Rising
UV index
11 — Very high
High today
Air Quality
Good
AQI 32 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Port Lavaca

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:56 AM
Sunset8:05 PM
Length of day13h 9m
Moonrise10:52 AM
Moonset10:26 PM
Moon phase🌒 Waxing Crescent · 21%
Next full moonAug 27 Sturgeon Moon
Latitude28.6150°N
Longitude-96.6261°E

Water temps nearby

View all →
Port Aransas (60 mi)86°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Houston
—
— 🌤️
San Antonio
—
— 🌤️
Dallas
—
— 🌤️
Fort Worth
—
— 🌤️
Austin
—
— 🌤️
El Paso
—
—
Data sources · Sunday, August 16
Where the Port Lavaca forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 28.6150°N, -96.6261°.
NBM + global weather models
Updated: 7:22 PM
ZIP codes in Port Lavaca
📮
77969
Port Lavaca
 📮
77971
Port Lavaca
 📮
77978
Port Lavaca
 📮
77979
Port Lavaca
 📮
77982
Port Lavaca
 📮
77983
Port Lavaca
Weather in Port Lavaca
Over the next 10 days Port Lavaca tops out around 85° (Sunday) and dips to 61° on the coolest night (Saturday). Models drop roughly 0.64 in of precipitation across the stretch — watch Monday (81%). Hold onto the patio furniture Monday: gusts could hit 34 mph. No watches or warnings are active for the area right now. Right now Port Lavaca is about 37° cooler than nearby Houston. Longer view: continental plains — big swings and a spring severe-storm season.
Port Lavaca, TX · Elev 13 ft · 28.62°N, 96.63°W · Texas · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 7:22 PM