Dewey Beach Weather Forecast

    • 27
    • 46

    Increasing Clouds

    • 34
    • 43

    Rain/Snow

    • 32
    • 46

    Partly Sunny

    • 30
    • 47

    Slight Chance Rain

    • 25
    • 41

    Partly Sunny

    • 33
    • 43

    Mostly Cloudy

    • 37
    • 48

    Mostly Cloudy

Today 4 Dec Delaware Beaches

Sunny. Highs in the mid 40s. West Winds 15 to 20 Mph.

Tonight 4 Dec Delaware Beaches

Partly cloudy this Evening, then cloudy with a chance of snow after midnight. Little or no snow accumulation. Cold with Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northeast 10 to 15 Mph after midnight. Chance of snow 50 percent.

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Dewey Beach Temperature Statistics

December Temperature

Georgetown - Delaware Coastal Airport (14.9 miles)

  • Lowest 1 December, 2025

    32 °F

  • Average December

    38.4 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (14.9 miles)

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  • Average Low 2020–2025

    49.3 °F

  • Average 2020–2025

    58.8 °F

  • Average High 2020–2025

    68.4 °F
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