Port Alto Weather Forecast

    • 72
    • 80

    Chance Thunderstorms

    • 76
    • 83

    Chance Thunderstorms

    • 73
    • 82

    Rain Showers

    • 73
    • 81

    Chance Thunderstorms

    • 75
    • 82

    Chance Thunderstorms

    • 76
    • 82

    Rain Showers Likely

    • 76
    • 81

    Chance Thunderstorms

Today 21 May Coastal Calhoun

Mostly cloudy. Showers likely with a chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 May Coastal Calhoun

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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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

    76.2 °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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