Lavaca Bay Weather Forecast
- 62
- 74
Sunny
- 63
- 75
Becoming Sunny
- 65
- 76
Mostly Sunny
- 65
- 76
Mostly Sunny
- 65
- 77
Mostly Sunny
- 64
- 77
Mostly Sunny
- 65
- 77
Mostly Sunny
Today 19 Mar Coastal Calhoun
Sunny. Highs in the mid 70s. South Winds around 5 Mph, increasing to 10 to 15 Mph this afternoon.
Tonight 19 Mar Coastal Calhoun
Clear. Lows in the lower 60s. South Winds 5 to 10 Mph.
Lavaca Bay Temperature Statistics
March Temperature
Palacios Municipal Airport (20.5 miles)
Lowest 16 March, 2026
48 °FAverage March
69.5 °FHighest 11 March, 2026
86 °F
Climate (2021–Present)
Palacios Municipal Airport (20.5 miles)
Average Low 2021–2026
65.3 °FAverage 2021–2026
73 °FAverage High 2021–2026
80.9 °F