Plum Island Weather Forecast

    • 41
    • 47

    Decreasing Clouds

    • 43
    • 49

    Chance Rain Showers

    • 42
    • 52

    Slight Chance Rain Showers

    • 42
    • 51

    Chance Rain Showers

    • 42
    • 53

    Partly Sunny

    • 43
    • 53

    Partly Sunny

Today 19 May Door

Partly sunny. Highs in the lower 50s. Northeast wind 10 to 15 Mph.

Tonight 19 May Door

Partly cloudy. Lows in the lower 40s. East wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plum Island Temperature Statistics

May Temperature

Ephraim-Gibraltar Airport (16.2 miles)

  • Lowest 3 May, 2025

    35.2 °F
  • Average May

    51.8 °F
  • Highest 12 May, 2025

    74.8 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (16.2 miles)

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  • Average Low 2020–2025

    39 °F
  • Average 2020–2025

    45.8 °F
  • Average High 2020–2025

    52.9 °F
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