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.

Fair

63°F

17°C

Humidity 39%
Wind Speed SW 3 mph
Barometer 29.97 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Mar 7:53 pm EDT
Extended Forecast for

2 Miles SE Morrisville PA

Dense Fog Advisory March 10, 02:00am until March 10, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy dense fog after 4am. Otherwise, increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Clear then
    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 75 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 4am. Otherwise, increasing clouds, with a low around 45. Calm wind.
Tuesday
Patchy dense fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. Calm wind.
Wednesday
A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely, mainly before 2pm. Cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Morrisville PA
 40.18°N 74.76°W (Elev. 36 ft)
Last Update:
7:43 pm EDT Mar 9, 2026
Forecast Valid:
9pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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