Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

A Few Clouds

32°F

0°C

Humidity 64%
Wind Speed N 9 G 22 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Dec 3:53 am EST
Extended Forecast for

Princeton North NJ

  • Today

    Today: Increasing clouds, with a high near 31. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 36. Calm wind becoming south around 5 mph in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am.  Mostly cloudy, with a low around 28. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 47. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 1am.  Mostly cloudy, with a low around 32. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A chance of snow.  Partly sunny, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

Detailed Forecast

Today
Increasing clouds, with a high near 31. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 13. Calm wind.
Tuesday
Increasing clouds, with a high near 36. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton North NJ
 40.37°N 74.64°W (Elev. 98 ft)
6:09 pm EST Dec 7, 2025
4am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database