Alamo Beach Weather Forecast

    • 77
    • 89

    Slight Chance Thunderstorms

    • 79
    • 89

    Chance Thunderstorms

    • 79
    • 90

    Rain Showers

    • 77
    • 88

    Rain Showers

    • 75
    • 83

    Rain Showers Likely

    • 74
    • 82

    Rain Showers Likely

Today 28 Sep Coastal Calhoun

Partly cloudy with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs around 90. East Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 28 Sep Coastal Calhoun

Partly cloudy. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Alamo Beach Temperature Statistics

September Temperature

Palacios Municipal Airport (22.4 miles)

  • Lowest 26 September, 2026

    70 °F

  • Average September

    86.7 °F

  • Highest 22 September, 2026

    96.7 °F

Climate (2021–2026)

Palacios Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    73.4 °F

  • Average High 2021–2026

    81.2 °F
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