Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
27°F
-3°C
| Humidity | 45% |
| Wind Speed | N 18 G 25 mph |
| Barometer | 30.26 in (1024.2 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 4 Dec 9:53 pm EST |
Extended Forecast for
Princeton NJ
Tonight
Low: 17 °F
Mostly Cloudy
Friday
High: 33 °F
Mostly Cloudy
Friday Night
Low: 24 °F
Slight Chance
SnowSaturday
High: 42 °F
Partly Sunny
Saturday Night
Low: 24 °F
Partly Cloudy
Sunday
High: 41 °F
Partly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 33 °F
Sunny
Monday Night
Low: 14 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 17. North wind 5 to 10 mph becoming light after midnight.
Friday
Mostly cloudy, with a high near 33. Calm wind.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 42. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
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)
9:44 pm EST Dec 4, 2025
10pm EST Dec 4, 2025-6pm EST Dec 11, 2025
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