Cape Henlopen State Park Weather Forecast

    • 68
    • 79

    Rain Showers

    • 66
    • 85

    Chance Thunderstorms

    • 66
    • 83

    Mostly Sunny

    • 67
    • 82

    Mostly Sunny

    • 70
    • 84

    Partly Sunny

    • 71
    • 85

    Chance Rain Showers

Today 22 Aug Delaware Beaches

Showers with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 22 Aug Delaware Beaches

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph, becoming south after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Henlopen State Park Temperature Statistics

August Temperature

Georgetown - Delaware Coastal Airport (14.9 miles)

  • Lowest 1 August, 2026

    67.6 °F

  • Average August

    80.4 °F

  • Highest 10 August, 2026

    93.7 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (14.9 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    68.3 °F
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