Beach Plum Island Weather Forecast

    • 75
    • 93

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 88

    Chance Thunderstorms

    • 72
    • 87

    Slight Chance Thunderstorms

    • 69
    • 85

    Slight Chance Rain Showers

Today 9 Aug Inland Sussex

Mostly sunny. Hot with Highs in the lower 90s. West Winds 5 to 10 Mph.

Tonight 9 Aug Inland Sussex

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beach Plum Island Temperature Statistics

August Temperature

Georgetown - Delaware Coastal Airport (12.4 miles)

  • Lowest 1 August, 2026

    67.6 °F

  • Average August

    80.3 °F

  • Highest 6 August, 2026

    91 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (12.4 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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