Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
A Few Clouds
53°F
12°C
| Humidity | 77% |
| Wind Speed | NW 8 mph |
| Barometer | 30.14 in (1019.9 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 11 Apr 5:53 am EDT |
Extended Forecast for
Monmouth Junction NJ
Today
High: 64 °F
Sunny
Tonight
Low: 38 °F
Clear
Sunday
High: 63 °F
Mostly Sunny
Sunday Night
Low: 47 °F
Mostly Cloudy
Monday
High: 79 °F
Partly Sunny
then Slight
Chance
ShowersMonday Night
Low: 59 °F
Slight Chance
ShowersTuesday
High: 84 °F
Partly Sunny
Tuesday Night
Low: 61 °F
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 64. Northwest wind 10 to 15 mph.
Tonight
Clear, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 47. South wind around 5 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 79. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
4:10 am EDT Apr 11, 2026
6am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
