Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
37°F
3°C
| Humidity | 33% |
| Wind Speed | N 8 mph |
| Barometer | 30.34 in (1027.2 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 1 Mar 6:53 pm EST |
Extended Forecast for
Princeton Junction NJ
Tonight
Low: 17 °F
Clear
Monday
High: 34 °F
Decreasing
CloudsMonday Night
Low: 20 °F
Mostly Clear
then Chance
SnowTuesday
High: 41 °F
Wintry Mix
Tuesday Night
Low: 36 °F
Rain
Wednesday
High: 52 °F
Chance Rain
Wednesday Night
Low: 41 °F
Chance Rain
Thursday
High: 63 °F
Chance Rain
Thursday Night
Low: 45 °F
Rain Likely
Detailed Forecast
Tonight
Clear, with a low around 17. North wind around 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 34. Calm wind.
Monday Night
A chance of snow after 1am. Increasing clouds, with a low around 20. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Rain, snow, and freezing rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 41. East wind around 5 mph becoming calm. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 36. Southwest wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain, mainly before 1pm. Cloudy, with a high near 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain. Cloudy, with a low around 41. Chance of precipitation is 50%.
Thursday
A chance of rain. Cloudy, with a high near 63. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
A chance of rain before 1pm. Cloudy, with a high near 54. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
Cloudy, with a high near 66.
Saturday Night
A chance of rain. Cloudy, with a low around 50. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
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)
4:10 pm EST Mar 1, 2026
7pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
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