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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
43°F
6°C
| Humidity | 56% |
| Wind Speed | N 6 mph |
| Barometer | 30.57 in (1034.7 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 18 Oct 8:53 am EDT |
Extended Forecast for
Princeton NJ
Today
High: 58 °F
Sunny
Tonight
Low: 34 °F
Clear
Monday
High: 63 °F
Increasing
CloudsMonday Night
Low: 45 °F
Mostly Cloudy
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 61 °F
Sunny
Wednesday Night
Low: 44 °F
Partly Cloudy
Thursday
High: 65 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 58. North wind around 5 mph.
Tonight
Clear, with a low around 34. Calm wind becoming north around 5 mph.
Monday
Increasing clouds, with a high near 63. Northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 45. North wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 66. North wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Princeton NJ
40.35°N 74.67°W (Elev. 190 ft)
40.35°N 74.67°W (Elev. 190 ft)
6:31 am EDT Oct 18, 2026
9am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
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