Plum Island Weather Forecast

    • 17
    • 27

    Increasing Clouds

    • 23
    • 40

    Mostly Sunny

    • 16
    • 32

    Mostly Cloudy

    • 24
    • 31

    Snow Likely

    • 18
    • 36

    Slight Chance Rain/Snow

    • 12
    • 27

    Mostly Cloudy

Today 29 Jan Door

Partly cloudy. Nearly steady temperature in the upper 20s. Northwest wind 10 to 15 Mph.

Tonight 29 Jan Door

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper teens. West wind 5 to 10 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Island Temperature Statistics

January Temperature

Ephraim-Gibraltar Airport (16.2 miles)

  • Lowest 21 January, 2025

    -13.9 °F

  • Average January

    17 °F

  • Highest 17 January, 2025

    38.3 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (16.2 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    52.6 °F
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