Sister Island Weather Forecast

    • 77
    • 88

    Mostly Cloudy

    • 77
    • 87

    Slight Chance Thunderstorms

    • 76
    • 88

    Chance Rain Showers

    • 76
    • 91

    Slight Chance Thunderstorms

    • 76
    • 88

    Chance Thunderstorms

    • 75
    • 85

    Chance Thunderstorms

Today 2 Sep Coastal Chatham

Patchy fog this morning. Partly sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 2 Sep Coastal Chatham

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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Sister Island Temperature Statistics

September Temperature

Hunter U. S. Army Airfield (10.6 miles)

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  • Average September

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Climate (2021–2026)

Hunter U. S. Army Airfield (10.6 miles)

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  • Average Low 2021–2026

    59.4 °F

  • Average 2021–2026

    68.2 °F

  • Average High 2021–2026

    78.2 °F
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