Lawrenceville Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 58
    • 78

    Partly Sunny

    • 54
    • 77

    Slight Chance Thunderstorms

    • 53
    • 76

    Partly Sunny

Today 26 Aug Mercer

Sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 26 Aug Mercer

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph.

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Lawrenceville Temperature Statistics

August Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    72.9 °F

  • Highest 13 August, 2025

    93.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (4.3 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.4 °F
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