Plum Island Weather Forecast

    • 52
    • 61

    Mostly Sunny

    • 53
    • 61

    Becoming Sunny

    • 58
    • 67

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 58
    • 64

    Chance Rain Showers

    • 58
    • 66

    Chance Rain Showers

Today 27 Oct Eastern Monmouth

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 27 Oct Eastern Monmouth

Mostly clear. Lows in the upper 40s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Island Temperature Statistics

October Temperature

Belmar-Farmingdale (17.4 miles)

  • Lowest 24 October, 2026

    35.6 °F

  • Average October

    59.5 °F

  • Highest 2 October, 2026

    84.9 °F

Climate (2021–2026)

Belmar-Farmingdale (17.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    63.3 °F
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