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

Ewing 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 Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West wind 5 to 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Calm wind becoming northwest around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 54. South wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 46. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 1am. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

Detailed Forecast

Today
A slight chance of rain before 7am. Widespread fog, mainly before 8am. 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 32. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 48. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
A chance of showers. Mostly cloudy, with a high near 54. South wind 5 to 10 mph. 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 46. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 57. Chance of precipitation is 90%.
Saturday Night
Showers, mainly before 1am. Low around 41. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.8°W (Elev. 157 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