South Brunswick Township Weather Forecast

    • 21
    • 37

    Gradual Clearing

    • 26
    • 34

    Partly Sunny

    • 25
    • 42

    Chance Rain/Snow

    • 17
    • 31

    Chance Snow

    • 14
    • 31

    Partly Sunny

    • 12
    • 26

    Partly Sunny

Today 15 Jan Middlesex

Mostly cloudy. A chance of rain in the morning. Much cooler with Highs in the upper 30s. Temperature falling into the lower 30s in the afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 15 Jan Middlesex

Partly cloudy. Colder with Lows in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Brunswick Township Temperature Statistics

January Temperature

Trenton, Mercer County Airport (16.2 miles)

  • Lowest 3 January, 2026

    17.1 °F

  • Average January

    34.3 °F

  • Highest 9 January, 2026

    53.1 °F

Climate (2021–Present)

Trenton, Mercer County Airport (16.2 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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