Lambertville Weather Forecast

    • 55
    • 74

    Increasing Clouds

    • 49
    • 75

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 67
    • 90

    Partly Sunny

    • 66
    • 90

    Mostly Cloudy

Today 31 May Hunterdon

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 31 May Hunterdon

Partly cloudy. Not as cool with Lows in the mid 50s. West Winds 5 to 10 Mph, becoming northwest after midnight.

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Lambertville Temperature Statistics

May Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 12 May, 2026

    40.6 °F

  • Average May

    62.7 °F

  • Highest 19 May, 2026

    96.7 °F

Climate (2021–Present)

Trenton, Mercer County Airport (8.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
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