Cobb Island Weather Forecast

    • 66
    • 87

    Slight Chance Thunderstorms

    • 70
    • 91

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 64
    • 93

    Chance Thunderstorms

    • 57
    • 72

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

Today 17 May Charles

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 May Charles

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cobb Island Temperature Statistics

May Temperature

St Marys County Airport (16.2 miles)

  • Lowest 1 May, 2026

    39.9 °F

  • Average May

    59.7 °F

  • Highest 5 May, 2026

    83.7 °F

Climate (2021–Present)

St Marys County Airport (16.2 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.7 °F
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