South Altamaha River - Champney Island Weather Forecast

    • 76
    • 94

    Chance Thunderstorms

    • 75
    • 91

    Thunderstorms Likely

    • 75
    • 90

    Thunderstorms Likely

    • 75
    • 91

    Slight Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

Today 15 Aug Coastal Glynn

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph, becoming south this afternoon. Chance of rain 40 percent. Heat index Values up to 111.

Tonight 15 Aug Coastal Glynn

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the upper 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 30 percent. Heat index Values up to 105 early in the evening.

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South Altamaha River - Champney Island Temperature Statistics

August Temperature

Brunswick / Glynco (5.6 miles)

  • Lowest 8 August, 2025

    72.1 °F

  • Average August

    80 °F

  • Highest 1 August, 2025

    97.9 °F

Climate (2020–Present)

Brunswick / Glynco (5.6 miles)

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  • Average Low 2020–2025

    58.1 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    78.3 °F
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