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 W 3 mph
Barometer 29.65 in (1003.6 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Last update 7 Jan 5:53 am EST
Extended Forecast for

Cranbury NJ

Dense Fog Advisory January 7, 06:16am until January 7, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 7, 06:16am until January 7, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 50 °F

    Slight Chance
    Rain and Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 5 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

Detailed Forecast

Today
A slight chance of rain before 7am. Widespread fog, mainly before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 50. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 31. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 49. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
A chance of showers. Mostly cloudy, with a high near 56. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 59. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 43. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
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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:
5:57 am EST Jan 7, 2026
Forecast Valid:
6am EST Jan 7, 2026-6pm EST Jan 13, 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