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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.20 in (1022.5 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Last update 28 Dec 9:53 am EST
Extended Forecast for

2 Miles SE Lawrenceville NJ

  • Today

    Today: A slight chance of rain after 3pm. Cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A chance of rain, mainly before 2am. Cloudy, with a temperature rising to around 42 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F⇑

    Chance Rain

  • Monday

    Monday: Showers, mainly between 7am and 1pm. High near 55. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 33 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23.

    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 24.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A slight chance of rain after 3pm. Cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.
Tonight
A chance of rain, mainly before 2am. Cloudy, with a temperature rising to around 42 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly between 7am and 1pm. High near 55. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 25. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:10 am EST Dec 28, 2025
Forecast Valid:
10am EST Dec 28, 2025-6pm EST Jan 3, 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