Port Alto Weather Forecast
- 52
- 79
Rain Showers Likely
- 53
- 67
Breezy
- 61
- 70
Sunny
- 67
- 75
Mostly Sunny
- 57
- 77
Mostly Cloudy
- 52
- 64
Mostly Cloudy
Today 11 Mar Coastal Calhoun
Mostly cloudy this Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Tonight 11 Mar Coastal Calhoun
Mostly clear and breezy. Much cooler. Less humid with Lows in the lower 50s. Northwest Winds 10 to 15 Mph, increasing to north 15 to 25 Mph after midnight.
Port Alto Temperature Statistics
March Temperature
Palacios Municipal Airport (10.6 miles)
Lowest 2 March, 2026
58.6 °FAverage March
73.6 °FHighest 5 March, 2026
81.6 °F
Climate (2021–Present)
Palacios Municipal Airport (10.6 miles)
Average Low 2021–2026
65.3 °FAverage 2021–2026
73 °FAverage High 2021–2026
80.9 °F