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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Overcast
52°F
11°C
| Humidity | 89% |
| Wind Speed | SW 9 mph |
| Barometer | 30.25 in (1023.9 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 3 Apr 12:53 pm EDT |
Extended Forecast for
Monmouth Junction NJ
This Afternoon

High: 70 °F
Mostly Cloudy
Tonight
Low: 56 °F
Mostly Cloudy
then Patchy
FogSaturday
High: 72 °F
Patchy Fog
then Chance
ShowersSaturday Night

Low: 51 °F
Chance
ShowersSunday

High: 73 °F
Showers
Sunday Night

Low: 40 °F
Mostly Cloudy
Monday

High: 57 °F
Mostly Sunny
Monday Night

Low: 37 °F
Partly Cloudy
Tuesday

High: 53 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph.
Saturday
A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 72. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 51. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 73. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 66.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Monmouth Junction NJ
40.38°N 74.55°W (Elev. 98 ft)
40.38°N 74.55°W (Elev. 98 ft)
1:17 pm EDT Apr 3, 2026
1pm EDT Apr 3, 2026-6pm EDT Apr 9, 2026


