Port O'Connor Private Airport Weather Forecast

    • 82
    • 91

    Chance Thunderstorms

    • 82
    • 90

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

    • 83
    • 91

    Slight Chance Rain Showers

    • 83
    • 92

    Chance Thunderstorms

    • 83
    • 91

    Chance Thunderstorms

Today 8 Sep Coastal Calhoun

Sunny in the Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms. Highs in the mid 90s. South Winds around 5 Mph, increasing to southeast in the afternoon. Chance of rain 40 percent. Heat index Values up to 110.

Tonight 8 Sep Coastal Calhoun

Mostly clear. Lows around 80. Southeast Winds 5 to 10 Mph.

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Port O'Connor Private Airport Temperature Statistics

September Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    87.4 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Palacios Municipal Airport (23 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    73.3 °F

  • Average High 2021–2026

    81.1 °F
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