



Marine and Coastal Impacts from Imelda; Unsettled Weather in the West
Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
64°F
18°C
Humidity | 84% |
Wind Speed | Calm |
Barometer | 30.16 in (1020.5 mb) |
Dewpoint | 59°F (15°C) |
Visibility | 10.00 mi |
Last update | 29 Sep 11:53 pm EDT |
Extended Forecast for
Princeton NJ
Overnight
Low: 60 °F
Cloudy
Tuesday
High: 81 °F
Mostly Cloudy
Tuesday Night
Low: 52 °F
Decreasing
CloudsWednesday
High: 68 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 44 °F
Partly Cloudy
Friday
High: 71 °F
Sunny
Friday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Overnight
Cloudy, with a low around 60. Calm wind becoming north around 5 mph.
Tuesday
Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 46. North wind around 5 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Princeton NJ
40.35°N 74.67°W (Elev. 190 ft)
40.35°N 74.67°W (Elev. 190 ft)
4:10 pm EDT Sep 29, 2025
12am EDT Sep 30, 2025-6pm EDT Oct 6, 2025