Cape Henlopen State Park Weather Forecast

    • 67
    • 86

    Slight Chance Thunderstorms

    • 70
    • 88

    Mostly Sunny

    • 72
    • 90

    Mostly Sunny

    • 64
    • 86

    Mostly Cloudy

    • 57
    • 72

    Rain Showers Likely

    • 57
    • 66

    Chance Rain Showers

Today 17 May Delaware Beaches

Mostly sunny. Highs in the lower 80s. West Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 17 May Delaware Beaches

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Henlopen State Park Temperature Statistics

May Temperature

Georgetown - Delaware Coastal Airport (14.9 miles)

  • Lowest 3 May, 2026

    43.6 °F

  • Average May

    60.4 °F

  • Highest 5 May, 2026

    84.7 °F

Climate (2021–Present)

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

    68.2 °F
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