Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
35°F
2°C
| Humidity | 85% |
| Wind Speed | N 6 mph |
| Barometer | 30.01 in (1015.6 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 1 Mar 3:53 am EST |
Extended Forecast for
Princeton Junction NJ
Today
High: 40 °F
Chance Wintry
Mix then
Partly SunnyTonight
Low: 16 °F
Mostly Clear
Monday
High: 33 °F
Mostly Sunny
Monday Night
Low: 20 °F
Mostly Clear
then Slight
Chance Wintry
MixTuesday
High: 42 °F
Wintry Mix
Tuesday Night
Low: 38 °F
Rain
Wednesday
High: 52 °F
Chance Rain
Wednesday Night
Low: 40 °F
Chance Rain
Thursday
High: 64 °F
Chance Rain
Detailed Forecast
Today
A chance of rain showers, snow showers, and freezing rain before 10am, then a slight chance of snow showers between 10am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 40. North wind 5 to 10 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 16. North wind around 5 mph.
Monday
Mostly sunny, with a high near 33. Calm wind.
Monday Night
A slight chance of snow after 1am, mixing with freezing rain after 4am. Increasing clouds, with a low around 20. Calm wind. Chance of precipitation is 20%.
Tuesday
Snow and freezing rain likely before 10am, then rain likely, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 42. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain before 1pm. Cloudy, with a high near 52. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Princeton Junction NJ
40.32°N 74.62°W (Elev. 85 ft)
40.32°N 74.62°W (Elev. 85 ft)
4:09 am EST Mar 1, 2026
4am EST Mar 1, 2026-6pm EST Mar 7, 2026
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