Plum Island Weather Forecast

    • 61
    • 78

    Mostly Sunny

    • 61
    • 79

    Rain Showers

    • 49
    • 73

    Rain Showers

    • 50
    • 63

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

    • 55
    • 70

    Chance Rain Showers

Today 6 Oct Eastern Monmouth

Patchy fog this morning. Sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 6 Oct Eastern Monmouth

Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Plum Island Temperature Statistics

October Temperature

Belmar-Farmingdale (17.4 miles)

  • Lowest 3 October, 2025

    45 °F

  • Average October

    61.1 °F

  • Highest 4 October, 2025

    81 °F

Climate (2020–Present)

Belmar-Farmingdale (17.4 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    63.9 °F
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