Beach Plum Island Weather Forecast

    • 66
    • 80

    Mostly Sunny

    • 70
    • 84

    Thunderstorms

    • 69
    • 84

    Rain Showers

    • 68
    • 84

    Chance Rain Showers

    • 69
    • 82

    Mostly Sunny

    • 70
    • 83

    Partly Sunny

Today 26 Jul Inland Sussex

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 26 Jul Inland Sussex

Mostly clear. Patchy fog after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph, becoming southwest around 5 Mph after midnight.

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Beach Plum Island Temperature Statistics

July Temperature

Georgetown - Delaware Coastal Airport (12.4 miles)

  • Lowest 14 July, 2026

    61.6 °F

  • Average July

    81 °F

  • Highest 3 July, 2026

    102.7 °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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