St Catherines Island Weather Forecast

    • 74
    • 90

    Chance Thunderstorms

    • 75
    • 88

    Rain Showers Likely

    • 75
    • 89

    Chance Thunderstorms

    • 75
    • 90

    Rain Showers Likely

    • 76
    • 87

    Rain Showers Likely

    • 77
    • 88

    Chance Thunderstorms

Today 25 Aug Coastal Liberty

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph, becoming south this afternoon. Chance of rain 50 percent.

Tonight 25 Aug Coastal Liberty

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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St Catherines Island Temperature Statistics

August Temperature

Hunter U. S. Army Airfield (25.5 miles)

  • Lowest 22 August, 2026

    72.7 °F

  • Average August

    83.5 °F

  • Highest 20 August, 2026

    100.8 °F

Climate (2021–2026)

Hunter U. S. Army Airfield (25.5 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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