St Catherines Island Weather Forecast

    • 79
    • 96

    Mostly Sunny

    • 76
    • 97

    Chance Thunderstorms

    • 75
    • 92

    Thunderstorms Likely

    • 77
    • 92

    Chance Thunderstorms

    • 78
    • 90

    Slight Chance Thunderstorms

    • 79
    • 92

    Slight Chance Thunderstorms

Today 11 Jul Coastal Liberty

Sunny. Highs in the upper 90s. Heat index Values up to 110. Southwest Winds 5 to 10 Mph.

Tonight 11 Jul Coastal Liberty

Mostly clear. Lows in the upper 70s. Heat index Values up to 105 early in the evening. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Catherines Island Temperature Statistics

July Temperature

Hunter U. S. Army Airfield (25.5 miles)

  • Lowest 2 July, 2026

    72.5 °F

  • Average July

    84.2 °F

  • Highest 8 July, 2026

    99 °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

    68.1 °F

  • Average High 2021–2026

    78 °F
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