Saint Simons Island Weather Forecast

    • 81
    • 97

    Partly Sunny

    • 79
    • 99

    Thunderstorms Likely

    • 78
    • 94

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 78
    • 91

    Chance Thunderstorms

    • 78
    • 89

    Thunderstorms Likely

Today 28 Jul Coastal Glynn

Mostly sunny. Highs in the upper 90s. South Winds 10 to 15 Mph. Heat index Values up to 114.

Tonight 28 Jul Coastal Glynn

Partly cloudy. Lows in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 111 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

July Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 2 July, 2026

    75.2 °F

  • Average July

    85 °F

  • Highest 11 July, 2026

    98.6 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    78.1 °F
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