Plum Island Weather Forecast

    • 56
    • 70

    Rain Showers Likely

    • 50
    • 65

    Mostly Cloudy

    • 48
    • 61

    Mostly Cloudy

    • 45
    • 61

    Chance Rain Showers

    • 40
    • 55

    Slight Chance Rain Showers

    • 44
    • 55

    Breezy

Today 12 Oct Door

Mostly sunny. Highs in the middle 70s. West wind 5 to 10 Mph shifting to the northeast in the afternoon.

Tonight 12 Oct Door

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the middle 50s. Northeast wind 5 to 10 Mph in the evening becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Island Temperature Statistics

October Temperature

Ephraim-Gibraltar Airport (16.2 miles)

  • Lowest 9 October, 2026

    43.7 °F

  • Average October

    56.4 °F

  • Highest 10 October, 2026

    69.8 °F

Climate (2021–2026)

Ephraim-Gibraltar Airport (16.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    52.6 °F
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