Monmouth Junction Weather Forecast

    • 40
    • 69

    Partly Sunny

    • 38
    • 61

    Sunny

    • 39
    • 63

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 51
    • 74

    Mostly Cloudy

    • 46
    • 66

    Chance Rain Showers

Today 15 Oct Middlesex

Mostly sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Oct Middlesex

Mostly clear. Cooler with Lows in the lower 40s. North Winds 5 to 10 Mph.

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Monmouth Junction Temperature Statistics

October Temperature

Trenton, Mercer County Airport (15.5 miles)

  • Lowest 10 October, 2025

    39 °F

  • Average October

    61 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Trenton, Mercer County Airport (15.5 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.5 °F
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