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.

Overcast

31°F

-1°C

Humidity 89%
Wind Speed SE 3 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 28 Dec 5:53 pm EST
Extended Forecast for

Lawrenceville NJ

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

  • Tonight

    Tonight: A chance of freezing rain before 10pm, then a chance of rain. Widespread fog, mainly after 5am. Otherwise, cloudy, with a temperature rising to around 39 by 5am. Light south wind becoming southwest 5 to 10 mph in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F⇑

    Chance
    Rain/Freezing
    Rain then
    Chance Rain
    and Fog

  • Monday

    Monday: Showers, mainly before 2pm. Widespread fog, mainly before 9am. High near 53. 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: 53 °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 40 mph.

    Low: 25 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. West wind around 15 mph, with gusts as high as 30 mph.

    High: 33 °F

    Partly Sunny

  • 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 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of freezing rain before 10pm, then a chance of rain. Widespread fog, mainly after 5am. Otherwise, cloudy, with a temperature rising to around 39 by 5am. Light south wind becoming southwest 5 to 10 mph in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 2pm. Widespread fog, mainly before 9am. High near 53. 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 40 mph.
Tuesday
Partly sunny, with a high near 33. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 31.
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 37.
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 38.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
6:17 pm EST Dec 28, 2025
Forecast Valid:
6pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation