Cape Henlopen State Park Weather Forecast

    • 68
    • 79

    Mostly Cloudy

    • 74
    • 92

    Chance Thunderstorms

    • 69
    • 93

    Chance Thunderstorms

    • 68
    • 87

    Mostly Sunny

    • 70
    • 86

    Partly Sunny

    • 73
    • 90

    Partly Sunny

Today 17 Jun Delaware Beaches

Cloudy in the Morning, then becoming partly sunny. Humid with Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 17 Jun Delaware Beaches

Cloudy with Areas of drizzle. Areas of fog. Near steady temperature in the upper 60s. Northeast Winds 5 to 10 Mph.

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Cape Henlopen State Park Temperature Statistics

June Temperature

Georgetown - Delaware Coastal Airport (14.9 miles)

  • Lowest 1 June, 2025

    49.6 °F

  • Average June

    71.7 °F

  • Highest 12 June, 2025

    90 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (14.9 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    58.9 °F

  • Average High 2020–2025

    68.6 °F
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