Lambertville Weather Forecast

    • 53
    • 70

    Rain Showers Likely

    • 51
    • 63

    Rain Showers Likely

    • 50
    • 64

    Chance Rain Showers

    • 49
    • 64

    Slight Chance Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 52
    • 66

    Chance Rain Showers

    • 52
    • 68

    Mostly Cloudy

Today 21 Sep Hunterdon

Mostly sunny. Highs in the upper 60s.

Tonight 21 Sep Hunterdon

Mostly cloudy. A chance of Showers after midnight. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lambertville Temperature Statistics

September Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 15 September, 2026

    51.7 °F

  • Average September

    72.4 °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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