Lawrenceville Weather Forecast

    • 41
    • 55

    Chance Rain

    • 39
    • 46

    Rain

    • 27
    • 46

    Chance Rain Showers

    • 29
    • 40

    Partly Sunny

    • 32
    • 46

    Mostly Cloudy

    • 31
    • 47

    Chance Rain

Today 9 Jan Mercer

Mostly sunny this Morning, then mostly cloudy with a chance of rain this afternoon. Highs in the mid 50s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Jan Mercer

Cloudy. A chance of rain in the evening. Not as cool with Lows in the lower 40s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lawrenceville Temperature Statistics

January Temperature

Trenton, Mercer County Airport (4.3 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 (4.3 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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