Tybee Island Weather Forecast

    • 48
    • 58

    Mostly Sunny

    • 50
    • 60

    Mostly Sunny

    • 54
    • 57

    Mostly Sunny

    • 55
    • 63

    Mostly Sunny

    • 54
    • 63

    Partly Sunny

    • 56
    • 64

    Partly Sunny

    • 57
    • 66

    Partly Sunny

Today 20 Dec Coastal Chatham

Sunny. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 20 Dec Coastal Chatham

Clear this Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph, becoming northwest after midnight.

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Tybee Island Temperature Statistics

December Temperature

Hilton Head Island, Hilton Head Airport (16.8 miles)

  • Lowest 15 December, 2025

    26.6 °F

  • Average December

    48.2 °F

  • Highest 14 December, 2025

    69.8 °F

Climate (2020–Present)

Hilton Head Island, Hilton Head Airport (16.8 miles)

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  • Average Low 2020–2025

    60.8 °F

  • Average 2020–2025

    66.4 °F

  • Average High 2020–2025

    75 °F
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