Weather forecast for todayPort Lavaca, TX

Weather forecast for today

Current condition 7:14 am CDT

  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 8mphN 10°
  • Humidity: 98%
  • Dewpoint: 57°F
  • Pressure: 30.14"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Currently, in Port Lavaca, no clouds in sight, just a completely clear atmosphere.
The temperature is a mild 57.2°F, with the real-feel temperature closely matching at 55.4°F. The current temperature is far from the maximum of 84.2°F predicted for today.

Tuesday Oct 20, 2026

  • 84°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphNE 49°
  • Humidity: 57%
  • UV index: 7
  • Sunrise: 7:30 am CDT
  • Sunset: 6:51 pm CDT
  • ▼
On Tuesday, in Port Lavaca, clear skies with only minor cloud interruptions are in the outlook.
The highest temperature will be a moderately hot 84.2°F, while the lowest forecasted temperature is a delightful 68°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at a tropical 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Forecasts show the temperature expected to reach the usual October high of 80.6°F.
Sunrise will be at 7:30 am and sunset at 6:51 pm; the daylight will last for 11h and 22min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 82°C.
Coldest hour: 8 am 59°C.

Chance of precipitation

Highest chance: 10 pm 11%.

Hourly weather forecast

  • 8 am
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNNE 27°
  • Humidity: 97%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNNE 28°
  • Humidity: 83%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 35°
  • Humidity: 68%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 38°
  • Humidity: 54%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 12 pm
  • 79°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 44°
  • Humidity: 47%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 1 pm
  • 81°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 49°
  • Humidity: 41%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 55°
  • Humidity: 37%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 7
  • ▼
  • 3 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphENE 58°
  • Humidity: 35%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphENE 62°
  • Humidity: 36%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 5 pm
  • 82°F
  • Feels like:
    82°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphENE 76°
  • Humidity: 38%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 81°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphE 80°
  • Humidity: 44%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:51 pm
  • 7 pm
  • 77°F
  • Feels like:
    77°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 82°
  • Humidity: 51%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphENE 75°
  • Humidity: 59%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 9mphENE 68°
  • Humidity: 65%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 8mphENE 64°
  • Humidity: 70%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 51°
  • Humidity: 76%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily mostly clear and occasionally cloud-filled weather is predicted.
The temperature will vary between a minimum of 59°F and a maximum of 82.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be resembling October's average highest temperature of 80.6°F. The minimum temperature will be also consistent with October's average low of 68.5°F.
Updated: Oct 20, 2026 @ 12:14:40 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (7:14 am CDT) it is 57.2°F in Port Lavaca.

On Tuesday, a bright and mostly cloud-free sky is in store.

Today, the maximum temperature will be 84.2°F, while the minimum temperature will be 68°F. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 87.8°F.
The maximum temperature will be in line with the average highest temperature of 80.6°F in October. The lowest temperature will be also in line with the average low of 68.5°F.

On Tuesday, in Port Lavaca, sunrise will be at 7:30 am and sunset at 6:51 pm (CDT).

Today, the daylight will last for 11h and 22min.