Lawrenceville Weather Forecast

    • 73
    • 89

    Chance Thunderstorms

    • 71
    • 89

    Rain Showers

    • 67
    • 86

    Partly Sunny

    • 65
    • 87

    Slight Chance Thunderstorms

    • 61
    • 81

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

Today 30 Jun Mercer

Mostly cloudy this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 80s. Light and variable Winds, becoming south around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 30 Jun Mercer

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 50 percent.

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Lawrenceville Temperature Statistics

June Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 2 June, 2025

    45.6 °F

  • Average June

    71.9 °F

  • Highest 24 June, 2025

    98.7 °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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