National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

33°F

1°C

Humidity 45%
Wind Speed NE 13 G 25 mph
Barometer 30.61 in (1036.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Apr 8:53 am EDT
Extended Forecast for

Monmouth Junction NJ

Freeze Warning April 8, 10:00pm until April 9, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Sunny, with a high near 51. Northeast wind around 5 mph becoming east in the afternoon.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Widespread frost after midnight. Otherwise, clear, with a low around 28. Southeast wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Clear then
    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 70 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 51. Northeast wind around 5 mph becoming east in the afternoon.
Tonight
Widespread frost after midnight. Otherwise, clear, with a low around 28. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 65.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
Last Update:
9:05 am EDT Apr 8, 2026
Forecast Valid:
9am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation