Lawrenceville Weather Forecast

    • 27
    • 41

    Gradual Clearing

    • 33
    • 49

    Partly Sunny

    • 38
    • 57

    Chance Rain

    • 39
    • 56

    Slight Chance Rain

    • 40
    • 62

    Chance Rain

    • 27
    • 53

    Mostly Sunny

Today 18 Mar Mercer

Mostly sunny. Highs in the lower 40s. Northwest Winds around 5 Mph, becoming south around 5 Mph this afternoon.

Tonight 18 Mar Mercer

Mostly clear. Cold with Lows in the upper 20s. Southeast Winds around 5 Mph.

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Lawrenceville Temperature Statistics

March Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    44.8 °F

  • Highest 10 March, 2026

    79 °F

Climate (2021–Present)

Trenton, Mercer County Airport (4.3 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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