Plainsboro Township Weather Forecast

    • 44
    • 69

    Mostly Sunny

    • 40
    • 64

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

    • 38
    • 60

    Mostly Sunny

    • 38
    • 60

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

Today 20 Oct Middlesex

Sunny. Highs in the upper 60s. North Winds 10 to 15 Mph.

Tonight 20 Oct Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. North Winds around 10 Mph with Gusts up to 20 Mph.

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Plainsboro Township Temperature Statistics

October Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 7 October, 2026

    38.6 °F

  • Average October

    61.7 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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