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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
51°F
11°C
| Humidity | 43% |
| Wind Speed | N 12 mph |
| Barometer | 30.24 in (1023.3 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 17 Oct 3:53 pm EDT |
Extended Forecast for
Princeton Junction NJ
Tonight

Low: 33 °F
Mostly Clear
Sunday

High: 58 °F
Sunny
Sunday Night

Low: 37 °F
Mostly Clear
Monday

High: 62 °F
Mostly Sunny
Monday Night

Low: 42 °F
Mostly Cloudy
Tuesday

High: 67 °F
Mostly Sunny
Tuesday Night

Low: 45 °F
Partly Cloudy
Wednesday

High: 64 °F
Mostly Sunny
Wednesday Night

Low: 42 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 33. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 58. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 37. Calm wind becoming north around 5 mph after midnight.
Monday
Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT 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)
11:43 am EDT Oct 17, 2026
4pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026


