Port Alto Weather Forecast

    • 79
    • 84

    Breezy

    • 78
    • 84

    Chance Rain Showers

    • 77
    • 83

    Chance Thunderstorms

    • 76
    • 82

    Rain Showers

    • 76
    • 82

    Rain Showers Likely

    • 76
    • 80

    Rain Showers Likely

    • 76
    • 81

    Chance Thunderstorms

Today 18 May Coastal Calhoun

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 18 May Coastal Calhoun

Mostly cloudy. Lows around 80. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Alto Temperature Statistics

May Temperature

Palacios Municipal Airport (10.6 miles)

  • Lowest 3 May, 2026

    55.7 °F

  • Average May

    75 °F

  • Highest 9 May, 2026

    88.6 °F

Climate (2021–Present)

Palacios Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    65.4 °F

  • Average 2021–2026

    73.1 °F

  • Average High 2021–2026

    81 °F
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