Lambertville Weather Forecast
- 50
- 74
Becoming Sunny
- 50
- 74
Mostly Sunny
- 53
- 75
Partly Sunny
- 51
- 73
Partly Sunny
- 55
- 80
Mostly Sunny
- 50
- 76
Mostly Sunny
- 52
- 75
Mostly Sunny
Today 7 Sep Hunterdon
Mostly cloudy. A slight chance of Showers late this morning. Not as warm with Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 7 Sep Hunterdon
Partly cloudy in the Evening, then clearing. Lows in the upper 40s. Northwest Winds around 5 Mph.
Lambertville Temperature Statistics
September Temperature
Trenton, Mercer County Airport (8.7 miles)
Lowest 3 September, 2025
54 °FAverage September
68.5 °FHighest 5 September, 2025
86 °F
Climate (2020–Present)
Trenton, Mercer County Airport (8.7 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
55.3 °FAverage High 2020–2025
64.4 °F