Collins Island Weather Forecast

    • 74
    • 83

    Slight Chance Rain Showers

    • 75
    • 85

    Chance Thunderstorms

    • 73
    • 84

    Chance Thunderstorms

    • 69
    • 82

    Chance Thunderstorms

    • 66
    • 80

    Chance Thunderstorms

    • 65
    • 78

    Mostly Sunny

Today 20 Sep Coastal Georgetown

Partly sunny late this Morning, then mostly cloudy with a slight chance of Showers this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Sep Coastal Georgetown

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Collins Island Temperature Statistics

September Temperature

Georgetown County Airport (8.1 miles)

  • Lowest 16 September, 2026

    62.6 °F

  • Average September

    78.1 °F

  • Highest 5 September, 2026

    95 °F

Climate (2021–2026)

Georgetown County Airport (8.1 miles)

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  • Average Low 2021–2026

    54.7 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    74.5 °F
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