Plum Island Weather Forecast

    • 61
    • 71

    Chance Rain Showers

    • 62
    • 72

    Chance Rain Showers

    • 64
    • 75

    Chance Rain Showers

    • 69
    • 83

    Chance Rain Showers

    • 69
    • 90

    Chance Rain Showers

    • 67
    • 86

    Partly Sunny

Today 15 Jun Eastern Monmouth

Patchy fog this morning. Cloudy with a 40 percent chance of Showers. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 15 Jun Eastern Monmouth

Mostly cloudy with a 40 percent chance of Showers. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph.

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Plum Island Temperature Statistics

June Temperature

Belmar-Farmingdale (17.4 miles)

  • Lowest 1 June, 2025

    48.2 °F

  • Average June

    67.1 °F

  • Highest 12 June, 2025

    91.9 °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

    64 °F
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