Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

32°F

0°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 29.71 in (1005.6 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 29 Dec 12:53 am EST
Extended Forecast for

Monmouth Junction NJ

Wind Advisory December 29, 10:00am until December 30, 01:00pm
Dense Fog Advisory until December 29, 10:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 29, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 31 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers, mainly before 3pm.  Widespread fog, mainly before 10am. High near 54. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers and
    Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.

    Low: 25 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 5 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Overnight
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 31. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 3pm. Widespread fog, mainly before 10am. High near 54. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 25. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 33. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 20.
New Year's Day
Partly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 36.
Saturday Night
A chance of freezing rain. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
9:48 pm EST Dec 28, 2025
1am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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