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

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow

34°F

1°C

Humidity 70%
Wind Speed NW 15 G 29 mph
Barometer 29.59 in (1001.7 mb)
Dewpoint 25°F (-4°C)
Visibility 8.00 mi
Wind Chill24°F (-4°C)
Last update 23 Feb 12:53 pm EST
Extended Forecast for

Plainsboro NJ

Coastal Flood Advisory February 23, 01:49pm until February 23, 05:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 23, 01:49pm until February 23, 05:00pm

    NOW until 5:00pm Mon

    Coastal Flood Advisory

  • This Afternoon

    High: 36 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Areas of blowing snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 20. Northwest wind 10 to 15 mph.

    Low: 20 °F

    Areas Blowing
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. West wind around 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Partly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Rain and snow likely after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Partly Sunny
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely

Detailed Forecast

This Afternoon
A chance of snow, mainly before 3pm. Areas of blowing snow. Cloudy, with a high near 36. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Areas of blowing snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 20. Northwest wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 32. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow likely after 1am. Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25.
Thursday
Rain and snow likely after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainsboro NJ
 40.34°N 74.59°W (Elev. 89 ft)
Last Update:
4:14 am EST Feb 23, 2026
Forecast Valid:
1pm EST Feb 23, 2026-6pm EST Mar 1, 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