Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
44°F
7°C
| Humidity | 63% |
| Wind Speed | S 8 mph |
| Barometer | 30.22 in (1022.8 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 22 Apr 12:53 am EDT |
Extended Forecast for
2 Miles SSE Princeton Junction NJ
Overnight

Low: 43 °F
Chance
ShowersWednesday
High: 63 °F
Chance
Showers then
Mostly CloudyWednesday Night

Low: 44 °F
Partly Cloudy
Thursday

High: 73 °F
Sunny
Thursday Night

Low: 47 °F
Mostly Cloudy
Friday

High: 62 °F
Slight Chance
ShowersFriday Night

Low: 43 °F
Chance
ShowersSaturday

High: 52 °F
Showers
LikelySaturday Night

Low: 41 °F
Chance
Showers
Detailed Forecast
Overnight
A chance of showers, mainly after 3am. Cloudy, with a low around 43. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers between 8am and noon. Mostly cloudy, with a high near 63. South wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 44. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Princeton Junction NJ
40.29°N 74.6°W (Elev. 98 ft)
40.29°N 74.6°W (Elev. 98 ft)
4:11 pm EDT Apr 21, 2026
1am EDT Apr 22, 2026-6pm EDT Apr 28, 2026


