Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Wintry precipitation and very cold temperatures in the east, unsettled weather likely from northern California to the Pacific Northwest

Accumulating snowfall will bring travel implications from the southeast U.S. to the Middle Atlantic, Northeast, and New England through Wednesday. Very cold temperatures will likely bring a hard freeze to portions of the Deep South into Thursday. A series of storm systems will bring the potential for heavy rain, strong winds, and mountain snowfall from northern California to the Pacific Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Mostly Cloudy

35°F

2°C

Humidity 85%
Wind Speed N 5 mph
Barometer 30.34 in (1027.0 mb)
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill31°F (-1°C)
Last update 16 Jan 9:53 pm EST
Extended Forecast for

Princeton Junction NJ

  • Tonight

    Tonight: A slight chance of rain and snow before 11pm, then a chance of snow between 11pm and 1am, then rain and snow after 1am.  Low around 30. Light and variable wind becoming northwest 5 to 7 mph after midnight.  Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Chance
    Rain/Snow
    then
    Rain/Snow

    Low: 30 °F

  • Wednesday

    Wednesday: Snow, mainly before 9am.  High near 34. West wind 7 to 10 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Snow then
    Slight Chance
    Snow

    High: 34 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 17. Northwest wind 8 to 10 mph.

    Decreasing
    Clouds

    Low: 17 °F

  • Thursday

    Thursday: Sunny, with a high near 35. West wind 8 to 11 mph.

    Sunny

    High: 35 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 22. West wind around 7 mph.

    Mostly Clear

    Low: 22 °F

  • Friday

    Friday: Mostly sunny, with a high near 41.

    Mostly Sunny

    High: 41 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 27.

    Mostly Clear

    Low: 27 °F

  • Saturday

    Saturday: Sunny, with a high near 49.

    Sunny

    High: 49 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 32.

    Partly Cloudy

    Low: 32 °F

Detailed Forecast

Tonight
A slight chance of rain and snow before 11pm, then a chance of snow between 11pm and 1am, then rain and snow after 1am. Low around 30. Light and variable wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, mainly before 9am. High near 34. West wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 17. Northwest wind 8 to 10 mph.
Thursday
Sunny, with a high near 35. West wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 22. West wind around 7 mph.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 40%.
Monday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Tuesday
Sunny, with a high near 48.
Click Map For Forecast
Point Forecast:
Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)
10:12 pm EST Jan 16, 2018
10pm EST Jan 16, 2018-6pm EST Jan 23, 2018
 
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