Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
63°F
17°C
| Humidity | 87% |
| Wind Speed | W 5 mph |
| Barometer | 29.94 in (1013.1 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 6:53 am EDT |
Extended Forecast for
Monmouth Junction NJ
Today

High: 90 °F
Sunny
Tonight

Low: 66 °F
Chance
ShowersThursday

High: 90 °F
Partly Sunny
Thursday Night

Low: 66 °F
Mostly Cloudy
Friday

High: 82 °F
Chance
ShowersFriday Night
Low: 56 °F
Chance
Showers then
Partly CloudySaturday

High: 74 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Partly Cloudy
then Chance
ShowersSunday

High: 68 °F
Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 90. Southwest wind 5 to 15 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. West wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 62.
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)
4:09 am EDT Apr 15, 2026
7am EDT Apr 15, 2026-6pm EDT Apr 21, 2026


