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/Mist

51°F

11°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 51°F (11°C)
Visibility 1.00 mi
Wind Chill49°F (9°C)
Last update 8 Mar 6:53 am EDT
Extended Forecast for

Tullytown PA

Dense Fog Advisory March 8, 07:27am until March 8, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 8, 07:27am until March 8, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 69 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 45. South wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Cloudy then
    Chance
    Showers

Detailed Forecast

Today
A chance of showers between 9am and noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 45. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 73.
Wednesday Night
A chance of showers after 2am. Cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Cloudy, with a high near 61. Breezy. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 50.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.12°N 74.83°W (Elev. 13 ft)
Last Update:
4:09 am EDT Mar 8, 2026
Forecast Valid:
7am EDT Mar 8, 2026-6pm EDT Mar 14, 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