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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Heavy Rain Fog/Mist
59°F
15°C
| Humidity | 96% |
| Wind Speed | NE 12 mph |
| Barometer | 30.25 in (1023.8 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 3.00 mi |
| Last update | 11 Oct 10:53 am EDT |
Extended Forecast for
Plainsboro NJ
Today

High: 65 °F
Rain
Tonight

Low: 58 °F
Showers
Columbus Day
High: 72 °F
Chance
Showers then
Mostly SunnyMonday Night

Low: 52 °F
Mostly Clear
Tuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 61 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 51 °F
Mostly Clear
Thursday

High: 67 °F
Mostly Sunny
Detailed Forecast
Today
Rain, with thunderstorms also possible after 5pm. High near 65. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain and possibly a thunderstorm before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Low around 58. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Cloudy through mid morning, then gradual clearing, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 60.
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)
4:09 am EDT Oct 11, 2026
11am EDT Oct 11, 2026-6pm EDT Oct 17, 2026


