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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog

33°F

1°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 33°F (1°C)
Visibility 0.25 mi
Last update 17 Feb 10:53 pm EST
Extended Forecast for

Lawrenceville NJ

Dense Fog Advisory until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Tonight

    Low: 33 °F

    Dense Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 46. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely
    and Dense Fog

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 41. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 35. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread dense fog. Otherwise, cloudy, with a low around 33. Calm wind.
Wednesday
Rain likely, mainly after 4pm. Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 46. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 41. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 35. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 49.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 1pm, then snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 37.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:19 pm EST Feb 17, 2026
Forecast Valid:
11pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation