Plainsboro Township Weather Forecast

    • 27
    • 40

    Increasing Clouds

    • 33
    • 43

    Chance Rain/Snow

    • 29
    • 46

    Partly Sunny

    • 38
    • 46

    Chance Rain

    • 35
    • 57

    Chance Rain

    • 34
    • 47

    Chance Rain

Today 22 Dec Middlesex

Sunny. Highs around 40. West Winds 5 to 10 Mph.

Tonight 22 Dec Middlesex

Cloudy. Snow likely after midnight. Little or no snow accumulation. Cold with Lows in the upper 20s. Southwest Winds around 5 Mph. Chance of snow 60 percent.

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Plainsboro Township Temperature Statistics

December Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    31.1 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.4 °F
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