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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
46°F
8°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.18 in (1021.4 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 20 Oct 4:53 am EDT |
Extended Forecast for
Princeton NJ
Today
High: 69 °F
Sunny
Tonight
Low: 45 °F
Mostly Clear
Wednesday
High: 64 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Partly Cloudy
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 43 °F
Mostly Clear
Friday
High: 60 °F
Sunny
Friday Night
Low: 38 °F
Mostly Clear
Saturday
High: 59 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 69. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 45. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 42. North wind 10 to 15 mph.
Thursday
Sunny, with a high near 68. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 69.
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)
4:08 am EDT Oct 20, 2026
5am EDT Oct 20, 2026-6pm EDT Oct 26, 2026
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