Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Overcast
27°F
-3°C
| Humidity | 75% |
| Wind Speed | S 6 mph |
| Barometer | 29.74 in (1006.5 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 25 Feb 3:53 am EST |
Extended Forecast for
Princeton Junction NJ
Overnight

Low: 26 °F
Snow Likely
Wednesday
High: 43 °F
Rain/Snow
Likely then
Slight Chance
RainWednesday Night

Low: 29 °F
Partly Cloudy
Thursday

High: 40 °F
Chance
Rain/SnowThursday Night

Low: 21 °F
Slight Chance
SnowFriday

High: 42 °F
Mostly Sunny
Friday Night

Low: 25 °F
Partly Cloudy
Saturday

High: 50 °F
Mostly Sunny
Saturday Night

Low: 28 °F
Partly Cloudy
Detailed Forecast
Overnight
Snow likely, mainly after 5am. Cloudy, with a steady temperature around 26. South wind around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely before noon, then a slight chance of rain between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 43. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming west after midnight.
Thursday
A slight chance of rain and snow before 1pm, then a chance of snow. Partly sunny, with a high near 40. Northwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A slight chance of snow before 1am. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT 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)
4:13 am EST Feb 25, 2026
4am EST Feb 25, 2026-6pm EST Mar 3, 2026



