
Coastal and Marine Hazards This Week
Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >
Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
60°F
16°C
| Humidity | 58% |
| Wind Speed | NE 8 mph |
| Barometer | 30.41 in (1029.1 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 23 Sep 7:53 pm EDT |
Extended Forecast for
Plainsboro NJ
Coastal Flood Advisory September 23, 08:28pm until September 26, 02:00am
NOW until 2:00am Sat

Coastal Flood Advisory
Tonight

Low: 49 °F
Increasing
CloudsThursday

High: 67 °F
Mostly Sunny
Thursday Night

Low: 51 °F
Mostly Cloudy
Friday
High: 68 °F
Partly Sunny
then Chance
ShowersFriday Night

Low: 52 °F
Chance
ShowersSaturday

High: 68 °F
Chance
ShowersSaturday Night

Low: 53 °F
Chance
ShowersSunday

High: 67 °F
Chance
Showers
Detailed Forecast
Tonight
Increasing clouds, with a low around 49. Northeast wind around 15 mph.
Thursday
Mostly sunny, with a high near 67. Northeast wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 51. Northeast wind around 15 mph.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 68. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Plainsboro NJ
40.34°N 74.59°W (Elev. 89 ft)
40.34°N 74.59°W (Elev. 89 ft)
4:10 pm EDT Sep 23, 2026
8pm EDT Sep 23, 2026-6pm EDT Sep 30, 2026



