
Wintry precipitation expected Friday afternoon into Saturday morning
A storm system will bring accumulating snow, sleet, and freezing rain that can lead to holiday travel disruptions. View this briefing for details. Read More >
Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
21°F
-6°C
| Humidity | 54% |
| Wind Speed | N 7 mph |
| Barometer | 30.24 in (1023.6 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 26 Dec 6:53 am EST |
Extended Forecast for
Princeton NJ
Winter Weather Advisory December 26, 03:00pm until December 27, 10:00am
Today
High: 30 °F
Slight Chance
Snow then
Snow LikelyTonight

Low: 26 °F
Wintry Mix
Saturday
High: 33 °F
Chance Snow
then Slight
Chance SnowSaturday Night

Low: 20 °F
Mostly Cloudy
Sunday
High: 38 °F
Mostly Cloudy
then Chance
RainSunday Night

Low: 32 °F
Rain
Monday

High: 52 °F
Rain
Monday Night

Low: 25 °F
Partly Cloudy
Tuesday

High: 33 °F
Partly Sunny
Detailed Forecast
Today
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 30. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow and sleet before 3am, then snow likely, possibly mixed with freezing rain between 3am and 5am, then snow likely, possibly mixed with freezing rain and sleet after 5am. Low around 26. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 2 to 4 inches possible.
Saturday
A chance of snow, mainly before 10am. Cloudy, with a high near 33. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 20. Calm wind.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 38. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 32. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 52. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 31.
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)
4:11 am EST Dec 26, 2025
7am EST Dec 26, 2025-6pm EST Jan 1, 2026



