Port Lavaca Weather Forecast
- 72
- 77
Rain Showers Likely
- 73
- 78
Mostly Cloudy
- 74
- 79
Mostly Cloudy
- 75
- 81
Mostly Cloudy
- 75
- 81
Mostly Cloudy
- 74
- 82
Partly Sunny
Today 22 Apr Coastal Calhoun
Mostly cloudy this Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms. Highs around 80. Southeast Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon. Chance of rain 50 percent.
Tonight 22 Apr Coastal Calhoun
Partly cloudy. Lows around 70. Southeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.
Port Lavaca Temperature Statistics
April Temperature
Palacios Municipal Airport (23 miles)
Lowest 7 April, 2026
50.6 °FAverage April
73.6 °FHighest 18 April, 2026
84 °F
Climate (2021–Present)
Palacios Municipal Airport (23 miles)
Average Low 2021–2026
65.4 °FAverage 2021–2026
73.1 °FAverage High 2021–2026
80.9 °F