Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Mostly Cloudy
49°F
9°C
| Humidity | 46% |
| Wind Speed | NW 14 G 18 mph |
| Barometer | 30.16 in (1020.7 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 15 Nov 2:53 pm EST |
Extended Forecast for
Princeton NJ
Tonight
Low: 30 °F
Partly Cloudy
Monday
High: 54 °F
Partly Sunny
Monday Night
Low: 29 °F
Partly Cloudy
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 30 °F
Mostly Clear
Wednesday
High: 61 °F
Sunny
Wednesday Night
Low: 33 °F
Mostly Clear
Thursday
High: 63 °F
Sunny
Thursday Night
Low: 37 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 30. Northwest wind 5 to 10 mph.
Monday
Partly sunny, with a high near 54. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 58. Northwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 30. Calm wind.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Princeton NJ
40.35°N 74.67°W (Elev. 190 ft)
40.35°N 74.67°W (Elev. 190 ft)
6:14 am EST Nov 15, 2026
3pm EST Nov 15, 2026-6pm EST Nov 22, 2026
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