Henlopen Ocean Beach Weather Forecast

    • 66
    • 75

    Chance Rain Showers

    • 66
    • 73

    Rain Showers

    • 66
    • 75

    Rain Showers

    • 66
    • 77

    Chance Rain Showers

    • 65
    • 82

    Mostly Sunny

    • 64
    • 74

    Partly Sunny

    • 64
    • 74

    Partly Sunny

Today 15 Sep Delaware Beaches

Mostly cloudy. Near steady temperature in the lower 70s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 15 Sep Delaware Beaches

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Evening, then a chance of Thunderstorms after midnight. Breezy with Lows in the mid 60s. Northeast Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

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Henlopen Ocean Beach Temperature Statistics

September Temperature

Georgetown - Delaware Coastal Airport (16.2 miles)

  • Lowest 9 September, 2025

    52 °F

  • Average September

    68.2 °F

  • Highest 6 September, 2025

    91.9 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (16.2 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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