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.

Fair

79°F

26°C

Humidity 25%
Wind Speed S 16 G 24 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Mar 2:53 pm EDT
Extended Forecast for

3 Miles N Lawrenceville NJ

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly between 2pm and 3pm. Mostly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 51. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain showers likely before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 58 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Northwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Clear

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. South wind around 5 mph.
Wednesday
A chance of showers, mainly between 2pm and 3pm. Mostly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 51. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers likely before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Northwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Cloudy, with a high near 59.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Monday
Rain. High near 62. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lawrenceville NJ
 40.33°N 74.73°W (Elev. 207 ft)
Last Update:
3:34 pm EDT Mar 10, 2026
Forecast Valid:
3pm EDT Mar 10, 2026-6pm EDT Mar 17, 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