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

36°F

2°C

Humidity 100%
Wind Speed N 3 mph
Barometer 29.66 in (1003.7 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 7 Jan 12:53 am EST
Extended Forecast for

Ewing NJ

Dense Fog Advisory until January 7, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 7, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 35 °F

    Chance Rain
    and Fog

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 50. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: 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 49. West wind around 5 mph becoming calm.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely. Cloudy, with a high near 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 56. Chance of precipitation is 90%.

    High: 56 °F

    Showers

Detailed Forecast

Overnight
A chance of rain, mainly before 5am. Widespread fog. Otherwise, cloudy, with a low around 35. Calm wind becoming west around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 50. West wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 32. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 49. West wind around 5 mph becoming calm.
Thursday Night
Mostly cloudy, with a low around 34. Calm wind.
Friday
Showers likely. Cloudy, with a high near 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
Showers. High near 56. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 39. Chance of precipitation is 70%.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.77°W (Elev. 98 ft)
Last Update:
12:23 am EST Jan 7, 2026
Forecast Valid:
1am 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