Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
73°F
23°C
| Humidity | 59% |
| Wind Speed | N 10 mph |
| Barometer | 29.76 in (1007.1 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 1:53 am EDT |
Extended Forecast for
Princeton North NJ
Overnight

Low: 65 °F
Slight Chance
ShowersFriday
High: 81 °F
Partly Sunny
then Chance
ShowersFriday Night

Low: 54 °F
Mostly Cloudy
Saturday

High: 71 °F
Partly Sunny
Saturday Night
Low: 52 °F
Slight Chance
Showers then
Chance
ShowersSunday

High: 60 °F
Showers
Sunday Night
Low: 36 °F
Showers
Likely then
Chance
ShowersMonday

High: 50 °F
Mostly Sunny
Monday Night

Low: 30 °F
Mostly Clear
Detailed Forecast
Overnight
A slight chance of showers. Mostly cloudy, with a low around 65. West wind around 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly between 2pm and 5pm. Partly sunny, with a high near 81. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 54. North wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 71. Southeast wind 5 to 10 mph.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers likely after 2pm. High near 60. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Princeton North NJ
40.37°N 74.64°W (Elev. 98 ft)
40.37°N 74.64°W (Elev. 98 ft)
10:24 pm EDT Apr 16, 2026
2am EDT Apr 17, 2026-6pm EDT Apr 23, 2026


