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.

Light Snow

37°F

3°C

Humidity 76%
Wind Speed NW 9 G 21 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 12 Mar 2:53 pm EDT
Extended Forecast for

3 Miles N Lawrenceville NJ

  • This Afternoon

    This Afternoon: Rain and snow likely, mainly before 5pm. Cloudy, with a steady temperature around 37. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. West wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 48. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 48 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West wind 10 to 15 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

Detailed Forecast

This Afternoon
Rain and snow likely, mainly before 5pm. Cloudy, with a steady temperature around 37. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. West wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 48. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 38. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53. West wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 53.
Sunday Night
Rain, mainly after 2am. Low around 45. Chance of precipitation is 80%.
Monday
Rain. High near 65. Chance of precipitation is 90%.
Monday Night
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 40. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 44.
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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:
6:09 am EDT Mar 12, 2026
Forecast Valid:
3pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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