Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fog/Mist
36°F
2°C
| Humidity | 97% |
| Wind Speed | E 5 mph |
| Barometer | 30.27 in (1024.6 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 2.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 7 Mar 5:53 am EST |
Extended Forecast for
Princeton Junction NJ
Today
High: 50 °F
Slight Chance
Rain and
Patchy Fog
then Mostly
CloudyTonight
Low: 49 °F⇑
Showers
LikelySunday
High: 68 °F
Chance
ShowersSunday Night
Low: 40 °F
Partly Cloudy
Monday
High: 69 °F
Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 74 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Mostly Cloudy
Wednesday
High: 75 °F
Chance
Showers
Detailed Forecast
Today
A slight chance of rain before 7am. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 1am. Mostly cloudy, with a temperature rising to around 56 by 5am. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 68. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
A chance of showers. Cloudy, with a high near 75. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A chance of showers. Cloudy, with a high near 61. Breezy. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Princeton Junction NJ
40.3°N 74.62°W (Elev. 98 ft)
40.3°N 74.62°W (Elev. 98 ft)
4:09 am EST Mar 7, 2026
6am EST Mar 7, 2026-6pm EDT Mar 13, 2026
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