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

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.13 in (1019.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 27 Feb 10:53 pm EST
Extended Forecast for

2 Miles E Lawrenceville NJ

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming southwest around 5 mph.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow showers, mixing with rain after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 42. East wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. North wind 5 to 10 mph.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 20%.

    High: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph.
Sunday
A chance of snow showers, mixing with rain after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 42. East wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 17. North wind 5 to 10 mph.
Monday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 20%.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 41. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 80%.
Wednesday
A chance of rain before 1pm. Cloudy, with a high near 50. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 55. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 53. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Lawrenceville NJ
 40.3°N 74.68°W (Elev. 62 ft)
Last Update:
4:10 pm EST Feb 27, 2026
Forecast Valid:
11pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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