Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
50°F
10°C
| Humidity | 57% |
| Wind Speed | SW 8 mph |
| Barometer | 30.03 in (1016.2 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 28 Feb 1:53 pm EST |
Extended Forecast for
Princeton Junction NJ
This Afternoon
High: 51 °F
Sunny
Tonight
Low: 29 °F
Patchy Fog
Sunday
High: 39 °F
Wintry Mix
Likely and
Patchy
Freezing FogSunday Night
Low: 15 °F
Mostly Clear
Monday
High: 31 °F
Mostly Sunny
Monday Night
Low: 16 °F
Mostly Clear
Tuesday
High: 40 °F
Chance
Rain/Snow
then
Rain/Snow
LikelyTuesday Night
Low: 36 °F
Rain
Wednesday
High: 52 °F
Chance Rain
Detailed Forecast
This Afternoon
Sunny, with a high near 51. Southwest wind around 5 mph.
Tonight
Patchy fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 29. Calm wind becoming north around 5 mph after midnight.
Sunday
Rain showers, snow showers, freezing rain, and sleet likely before 1pm, then a chance of rain and snow showers between 1pm and 3pm. Patchy fog between noon and 1pm. Patchy freezing fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 39. North wind 10 to 15 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 15. North wind around 5 mph.
Monday
Mostly sunny, with a high near 31. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 16.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 90%.
Wednesday
A chance of rain before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Thursday
A chance of rain. Cloudy, with a high near 56. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 45. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 62. 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)
12:08 pm EST Feb 28, 2026
2pm EST Feb 28, 2026-6pm EST Mar 6, 2026
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