Dewey Beach Weather Forecast

    • 70
    • 85

    Sunny

    • 63
    • 84

    Rain Showers Likely

    • 61
    • 75

    Chance Rain Showers

    • 62
    • 75

    Mostly Sunny

    • 63
    • 74

    Partly Sunny

    • 62
    • 74

    Partly Sunny

Today 5 Sep Delaware Beaches

Sunny. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Sep Delaware Beaches

Clear with Lows in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Dewey Beach Temperature Statistics

September Temperature

Georgetown - Delaware Coastal Airport (14.9 miles)

  • Lowest 1 September, 2025

    55 °F

  • Average September

    65.9 °F

  • Highest 3 September, 2025

    77 °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

    68.5 °F
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