South Altamaha River - Champney Island Weather Forecast

    • 74
    • 88

    Thunderstorms Likely

    • 75
    • 87

    Rain Showers Likely

    • 74
    • 88

    Rain Showers Likely

    • 73
    • 90

    Thunderstorms Likely

    • 74
    • 92

    Rain Showers Likely

    • 74
    • 91

    Chance Thunderstorms

Today 7 Sep Coastal Glynn

Partly sunny this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Highs in the mid 80s. North Winds 10 to 15 Mph, becoming northeast this afternoon. Chance of rain 50 percent.

Tonight 7 Sep Coastal Glynn

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the mid 70s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Altamaha River - Champney Island Temperature Statistics

September Temperature

Brunswick / Glynco (5.6 miles)

  • Lowest 1 September, 2026

    72.3 °F

  • Average September

    81 °F

  • Highest 5 September, 2026

    94.5 °F

Climate (2021–2026)

Brunswick / Glynco (5.6 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    78.8 °F
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