Plainsboro Township Weather Forecast

    • 42
    • 69

    Increasing Clouds

    • 49
    • 74

    Mostly Sunny

    • 53
    • 71

    Rain Showers Likely

    • 29
    • 58

    Chance Rain/Snow

    • 37
    • 49

    Chance Rain Showers

    • 33
    • 50

    Mostly Cloudy

Today 9 Mar Middlesex

Sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Mar Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. South Winds 5 to 10 Mph.

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Plainsboro Township Temperature Statistics

March Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 2 March, 2026

    21 °F

  • Average March

    36.6 °F

  • Highest 4 March, 2026

    46 °F

Climate (2021–Present)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.3 °F
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