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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
36°F
2°C
| Humidity | 97% |
| Wind Speed | NW 6 mph |
| Barometer | 30.47 in (1031.4 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 19 Oct 5:53 am EDT |
Extended Forecast for
Princeton Junction NJ
Today
High: 63 °F
Frost then
SunnyTonight
Low: 44 °F
Mostly Clear
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 63 °F
Sunny
Wednesday Night
Low: 39 °F
Partly Cloudy
Thursday
High: 67 °F
Sunny
Thursday Night
Low: 41 °F
Mostly Clear
Friday
High: 62 °F
Sunny
Detailed Forecast
Today
Widespread frost before 10am. Otherwise, sunny, with a high near 63. Northeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 44. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 67. North wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 42. North wind around 10 mph.
Wednesday
Sunny, with a high near 63. Northeast wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Princeton Junction NJ
40.32°N 74.59°W (Elev. 85 ft)
40.32°N 74.59°W (Elev. 85 ft)
4:08 am EDT Oct 19, 2026
6am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
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