Lambertville Weather Forecast

    • 52
    • 66

    Mostly Cloudy

    • 55
    • 71

    Chance Rain Showers

    • 55
    • 67

    Rain Showers Likely

    • 54
    • 65

    Chance Rain Showers

    • 54
    • 68

    Mostly Cloudy

    • 54
    • 71

    Partly Sunny

    • 58
    • 76

    Partly Sunny

Today 24 Sep Hunterdon

Partly sunny. Highs in the mid 70s.

Tonight 24 Sep Hunterdon

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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Lambertville Temperature Statistics

September Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 15 September, 2026

    51.7 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (8.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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