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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog

49°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.79 in (1008.1 mb)
Dewpoint 49°F (9°C)
Visibility 0.25 mi
Last update 8 Mar 3:53 am EDT
Extended Forecast for

Newtown PA

Dense Fog Advisory March 8, 04:52am until March 8, 07:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 8, 04:52am until March 8, 07:00am

    NOW until 7:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 73.

    High: 73 °F

    Cloudy

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 48. Southwest wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 42. West wind around 5 mph.
Monday
Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 44. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Cloudy, with a high near 73.
Wednesday Night
A chance of showers after 2am. Cloudy, with a low around 60. 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 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 50. Breezy.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown PA
 40.22°N 74.96°W (Elev. 98 ft)
Last Update:
4:09 am EDT Mar 8, 2026
Forecast Valid:
4am 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