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

60°F

16°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.42 in (1029.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 8:53 pm EDT
Extended Forecast for

3 Miles SSE Lawrenceville NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 9am. High near 66. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Rain Likely
    then Rain

  • Sunday Night

    Sunday Night: Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 5am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers

  • Columbus Day

    Columbus Day: A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Sunday
Rain, mainly after 9am. High near 66. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 5am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. North wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lawrenceville NJ
 40.26°N 74.69°W (Elev. 66 ft)
Last Update:
4:10 pm EDT Oct 10, 2026
Forecast Valid:
9pm EDT Oct 10, 2026-6pm EDT Oct 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