Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
A Few Clouds
22°F
-6°C
| Humidity | 55% |
| Wind Speed | W 9 mph |
| Barometer | 29.78 in (1008.1 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 16 Jan 5:53 am EST |
Extended Forecast for
Princeton Junction NJ
Today
High: 35 °F
Sunny
Tonight
Low: 27 °F
Partly Cloudy
then Chance
SnowSaturday
High: 41 °F
Snow Likely
then
Rain/Snow
LikelySaturday Night
Low: 28 °F
Chance Rain
then Slight
Chance Wintry
MixSunday
High: 35 °F
Chance Snow
Sunday Night
Low: 18 °F
Partly Cloudy
M.L.King Day
High: 35 °F
Sunny
Monday Night
Low: 9 °F
Mostly Clear
Tuesday
High: 21 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of snow, mainly after 5am. Increasing clouds, with a low around 27. South wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 41. South wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain before 1am, then a slight chance of freezing rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of snow, mainly after 7am. Mostly cloudy, with a high near 35. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 39.
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)
4:11 am EST Jan 16, 2026
6am EST Jan 16, 2026-6pm EST Jan 22, 2026
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