Plainsboro Township Weather Forecast

    • 40
    • 56

    Chance Rain

    • 38
    • 46

    Rain

    • 27
    • 45

    Chance Rain Showers

    • 29
    • 41

    Partly Sunny

    • 33
    • 46

    Mostly Cloudy

    • 28
    • 48

    Chance Rain

    • 21
    • 39

    Chance Rain

Today 9 Jan Middlesex

Rain likely. Near steady temperature in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 9 Jan Middlesex

Mostly cloudy. A chance of rain in the evening. Not as cool with Lows around 40. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plainsboro Township Temperature Statistics

January Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 3 January, 2026

    17.1 °F

  • Average January

    30.1 °F

  • Highest 7 January, 2026

    52 °F

Climate (2021–Present)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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