weathermetro
Cities / United States
/ Texas
☀️ Port Lavaca weather
Clear sky. .
Feels like 39° Wind 21 km/h S Humidity 56% Pressure 1014 hPa UV 0 Air Good ☀ 06:58 - 20:00
⚠ Heat Advisory · Moderate Heat Advisory issued August 20 at 7:46AM CDT until August 20 at 7:00PM CDT by NWS Corpus Christi TX
Right now it is 35° in Port Lavaca with clear skies, it feels more like 39° and today's high is 36° with an overnight low of 27° . The sun rises at 06:58 and sets at 20:00, giving 13h 02m of daylight. Over the coming week highs range from 34° to 36° - a steady stretch with little day-to-day change.
Port Lavaca is in Texas, United States, sitting 4 m above sea level, with a population of about 12,000. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.
Next 24 hours - temperature
25°
31°
36°
36°
25°
16:00 · 35.2° · 0 mm
17:00 · 34.3° · 0 mm
18:00 · 33° · 0 mm
19:00 · 31.6° · 0 mm
20:00 · 30° · 0 mm
21:00 · 28.7° · 0 mm
22:00 · 28.1° · 0 mm
23:00 · 28° · 0 mm
00:00 · 27.6° · 0 mm
01:00 · 27.3° · 0 mm
02:00 · 26.9° · 0 mm
03:00 · 26.3° · 0 mm
04:00 · 25.9° · 0 mm
05:00 · 25.7° · 0 mm
06:00 · 25.3° · 0 mm
07:00 · 25° · 0 mm
08:00 · 27.1° · 0 mm
09:00 · 30° · 0 mm
10:00 · 31.8° · 0 mm
11:00 · 33.2° · 0 mm
12:00 · 34.3° · 0 mm
13:00 · 35.3° · 0 mm
14:00 · 35.6° · 0 mm
15:00 · 35.7° · 0 mm
Precipitation
16:00 · 0 mm
16:00
17:00 · 0 mm
18:00 · 0 mm
19:00 · 0 mm
19:00
20:00 · 0 mm
21:00 · 0 mm
22:00 · 0 mm
22:00
23:00 · 0 mm
00:00 · 0 mm
01:00 · 0 mm
01:00
02:00 · 0 mm
03:00 · 0 mm
04:00 · 0 mm
04:00
05:00 · 0 mm
06:00 · 0 mm
07:00 · 0 mm
07:00
08:00 · 0 mm
09:00 · 0 mm
10:00 · 0 mm
10:00
11:00 · 0 mm
12:00 · 0 mm
13:00 · 0 mm
13:00
14:00 · 0 mm
15:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
16:00
☀️
35.2°
37.2°
-
Clear sky
17:00
☀️
34.3°
36.4°
-
Clear sky
18:00
☀️
33°
35.2°
-
Clear sky
19:00
☀️
31.6°
33.7°
-
Clear sky
20:00
☀️
30°
32.5°
-
Clear sky
21:00
☀️
28.7°
32.3°
-
Clear sky
22:00
☀️
28.1°
32.1°
-
Clear sky
23:00
☀️
28°
32.1°
-
Clear sky
00:00
☁️
27.6°
31.9°
-
Overcast
01:00
☁️
27.3°
31.6°
-
Overcast
02:00
🌤️
26.9°
30.6°
-
Mostly clear
03:00
☀️
26.3°
30.4°
-
Clear sky
☀️
TodayAugust 20th
Avg 31° Low 27° at 05:00
High 36° at 14:00
Feels 38° Wind ~22 km/h
Clear
00:00
27°
02:00
28°
04:00
27°
06:00
27°
08:00
28°
10:00
33°
12:00
35°
14:00
36°
16:00
35°
18:00
33°
20:00
30°
22:00
28°
☁️
FridayAugust 21st
Avg 30° Low 25° at 07:00
High 36° at 15:00
Feels 38° Wind ~19 km/h
Cloudy
Cloudy
00:00
28°
02:00
27°
04:00
26°
06:00
25°
08:00
27°
10:00
32°
12:00
34°
14:00
36°
16:00
35°
18:00
33°
20:00
30°
22:00
28°
☁️
SaturdayAugust 22nd
Avg 29° Low 24° at 07:00
High 36° at 14:00
Wind ~26 km/h
Clear
Cloudy
Cloudy
00:00
27°
02:00
26°
04:00
25°
06:00
24°
08:00
26°
10:00
31°
12:00
35°
14:00
36°
16:00
34°
18:00
32°
20:00
28°
22:00
28°
☀️
SundayAugust 23rd
Avg 30° Low 25° at 07:00
High 35° at 14:00
Wind ~23 km/h
Cloudy
Clear
00:00
28°
02:00
27°
04:00
26°
06:00
26°
08:00
27°
10:00
31°
12:00
35°
14:00
35°
16:00
34°
18:00
32°
20:00
28°
22:00
27°
☀️
MondayAugust 24th
Avg 29° Low 25° at 07:00
High 35° at 14:00
Wind ~24 km/h
Clear
Cloudy
Clear
Clear
00:00
27°
02:00
26°
04:00
26°
06:00
26°
08:00
27°
10:00
31°
12:00
34°
14:00
35°
16:00
34°
18:00
32°
20:00
28°
22:00
27°
☁️
TuesdayAugust 25th
Avg 29° Low 26° at 07:00
High 34° at 14:00
Wind ~23 km/h
Cloudy
Clear
00:00
27°
02:00
27°
04:00
27°
06:00
26°
08:00
27°
10:00
31°
12:00
33°
14:00
34°
16:00
34°
18:00
32°
20:00
29°
22:00
27°
☀️
WednesdayAugust 26th
Avg 29° Low 25° at 06:00
High 35° at 14:00
Wind ~23 km/h
Clear
Partly Cloudy
00:00
27°
02:00
27°
04:00
26°
06:00
25°
08:00
27°
10:00
31°
12:00
34°
14:00
35°
16:00
34°
18:00
32°
20:00
29°
22:00
27°
☁️
ThursdayAugust 27th
Avg 30° Low 26° at 04:00
High 35° at 14:00
Wind ~23 km/h
Clear
Partly Cloudy
Cloudy
Partly Cloudy
00:00
27°
02:00
27°
04:00
26°
06:00
27°
08:00
29°
10:00
31°
12:00
34°
14:00
35°
16:00
35°
18:00
32°
20:00
30°
22:00
28°
⛅
FridayAugust 28th
Avg 30° Low 25° at 06:00
High 35° at 14:00
Wind ~23 km/h
Partly Cloudy
Clear
Partly Cloudy
Cloudy
Clear
00:00
28°
02:00
27°
04:00
26°
06:00
25°
08:00
27°
10:00
32°
12:00
34°
14:00
35°
16:00
35°
18:00
32°
20:00
29°
22:00
27°
☀️
SaturdayAugust 29th
Avg 30° Low 25° at 06:00
High 35° at 14:00
Wind ~25 km/h
Clear
Cloudy
00:00
27°
02:00
27°
04:00
27°
06:00
25°
08:00
27°
10:00
32°
12:00
35°
14:00
35°
16:00
34°
18:00
32°
20:00
30°
22:00
27°
☀️
SundayAugust 30th
Avg 30° Low 26° at 06:00
High 35° at 14:00
Wind ~25 km/h
Clear
00:00
27°
02:00
28°
04:00
27°
06:00
26°
08:00
28°
10:00
32°
12:00
34°
14:00
35°
16:00
34°
18:00
32°
20:00
30°
22:00
27°
⛅
MondayAugust 31st
Avg 30° Low 27° at 06:00
High 35° at 14:00
Wind ~24 km/h
Clear
Partly Cloudy
Clear
00:00
27°
02:00
28°
04:00
28°
06:00
27°
08:00
28°
10:00
32°
12:00
34°
14:00
35°
16:00
35°
18:00
32°
20:00
30°
22:00
28°
⛅
TuesdaySeptember 1st
Avg 30° Low 26° at 06:00
High 35° at 14:00
Wind ~27 km/h
Clear
Cloudy
Clear
00:00
27°
02:00
27°
04:00
27°
06:00
26°
08:00
28°
10:00
31°
12:00
34°
14:00
35°
16:00
34°
18:00
31°
20:00
29°
22:00
28°
🌤️
WednesdaySeptember 2nd
Avg 29° Low 25° at 06:00
High 34° at 14:00
0.3 mm rain Wind ~26 km/h
Clear
Rain
Clear
Clear
00:00
27°
02:00
27°
04:00
26°
06:00
25°
08:00
27°
0.1mm
10:00
31°
0.1mm
12:00
33°
14:00
34°
16:00
34°
18:00
31°
20:00
29°
22:00
28°
☀️
ThursdaySeptember 3rd
Avg 29° Low 26° at 06:00
High 35° at 13:00
Feels 32° Wind ~29 km/h
Clear
00:00
27°
02:00
27°
04:00
27°
06:00
26°
08:00
27°
10:00
32°
12:00
34°
14:00
35°
16:00
34°
18:00
31°
20:00
29°
22:00
28°
☀️
FridaySeptember 4th
Avg 29° Low 25° at 06:00
High 35° at 14:00
Wind ~26 km/h
Clear
00:00
27°
02:00
27°
04:00
26°
06:00
25°
08:00
27°
10:00
32°
12:00
34°
14:00
35°
16:00
34°
18:00
32°
20:00
29°
22:00
27°
Sun
☀️ Sunrise 06:58 · Sunset 20:00
13h 02m of daylight · America/Chicago
Air quality
PM2.5 8.8 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Port Lavaca weather
Will it rain in Port Lavaca today?
No rain is in the forecast for Port Lavaca today.
What is the temperature in Port Lavaca right now?
It is 35° in Port Lavaca right now, though it feels closer to 39° . Today runs between a low of 27° and a high of 36° .
What time is sunrise and sunset in Port Lavaca?
The sun rises at 06:58 and sets at 20:00 local time in Port Lavaca today, giving 13h 02m of daylight.
What is the air quality in Port Lavaca?
PM2.5 in Port Lavaca is currently 8.8 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Port Lavaca forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Port Lavaca best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC