Port O'Connor Weather Forecast
- 82
- 88
Chance Thunderstorms
- 84
- 89
Chance Thunderstorms
- 83
- 89
Chance Thunderstorms
- 84
- 89
Slight Chance Thunderstorms
- 84
- 88
Chance Thunderstorms
- 83
- 88
Chance Thunderstorms
Today 10 Sep Coastal Calhoun
Partly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds around 5 Mph, increasing to 5 to 10 Mph this afternoon. Chance of rain 50 percent.
Tonight 10 Sep Coastal Calhoun
Partly cloudy in the Evening, then becoming mostly clear. Lows around 80. South Winds 5 to 10 Mph.
Port O'Connor Temperature Statistics
September Temperature
Palacios Municipal Airport (21.1 miles)
Lowest 1 September, 2026
76.6 °FAverage September
87.4 °FHighest 1 September, 2026
93.7 °F
Climate (2021–2026)
Palacios Municipal Airport (21.1 miles)
Average Low 2021–2026
65.6 °FAverage 2021–2026
73.3 °FAverage High 2021–2026
81.1 °F