Saint Simons Island Weather Forecast

    • 76
    • 91

    Thunderstorms

    • 77
    • 89

    Chance Rain Showers

    • 77
    • 90

    Chance Rain Showers

    • 77
    • 91

    Slight Chance Thunderstorms

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    • 92

    Slight Chance Thunderstorms

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    • 92

    Chance Rain Showers

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    • 91

    Chance Rain Showers

Today 15 Jun Coastal Glynn

Showers and Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 15 Jun Coastal Glynn

Mostly cloudy with Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

June Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 1 June, 2025

    68 °F

  • Average June

    80.5 °F

  • Highest 6 June, 2025

    93.2 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2020–2025

    63.1 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    77.9 °F
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