
Weekend Nor'easter
Coastal flooding, strong winds, dangerous rip currents, high surf, and hazardous marine conditions are expected from a nor'easter impacting the region through this weekend. View this briefing for more details. Read More >
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Light Rain Fog/Mist
64°F
18°C
| Humidity | 93% |
| Wind Speed | NE 15 G 24 mph |
| Barometer | 29.60 in (1001.9 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 6.00 mi |
| Last update | 27 Sep 1:53 pm EDT |
Extended Forecast for
Trenton, Mercer County Airport NJ
This Afternoon

High: 66 °F
Chance
ShowersTonight

Low: 57 °F
Showers
Monday

High: 66 °F
Showers
LikelyMonday Night

Low: 54 °F
Mostly Cloudy
Tuesday

High: 73 °F
Partly Sunny
Tuesday Night

Low: 55 °F
Mostly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Wednesday Night

Low: 58 °F
Mostly Cloudy
Thursday

High: 80 °F
Partly Sunny
Detailed Forecast
This Afternoon
A chance of showers. Cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 4am. Low around 57. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 66. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 54. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 73. Northwest wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Trenton, Mercer County Airport NJ
40.27°N 74.8°W (Elev. 157 ft)
40.27°N 74.8°W (Elev. 157 ft)
4:11 am EDT Sep 27, 2026
2pm EDT Sep 27, 2026-6pm EDT Oct 3, 2026


