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.

Fog

35°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.46 in (997.3 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Last update 29 Dec 6:53 am EST
Extended Forecast for

Cranbury NJ

Wind Advisory December 29, 10:00am until December 30, 01:00pm
Dense Fog Advisory December 29, 07:43am until December 29, 10:00am
Click here for hazard details and duration
Wind Advisory
...
  •  
    Dense Fog Advisory December 29, 07:43am until December 29, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Today

    High: 54 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 45 mph.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 10 to 15 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. West wind 10 to 15 mph.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Today
Showers, mainly before 2pm. High near 54. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Partly cloudy, with a low around 24. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 45 mph.
Tuesday Night
Partly cloudy, with a low around 23. West wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 35. West wind 10 to 15 mph.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.
New Year's Day
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cranbury NJ
 40.31°N 74.53°W (Elev. 92 ft)
Last Update:
5:47 am EST Dec 29, 2025
Forecast Valid:
7am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation