National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Wintry precipitation expected Friday afternoon into Saturday morning

A storm system will bring accumulating snow, sleet, and freezing rain that can lead to holiday travel disruptions. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow Fog/Mist

26°F

-3°C

Humidity 88%
Wind Speed N 9 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 23°F (-5°C)
Visibility 4.00 mi
Wind Chill17°F (-8°C)
Last update 27 Dec 8:53 am EST
Extended Forecast for

Newtown PA

Winter Weather Advisory December 27, 09:20am until December 27, 10:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory December 27, 09:20am until December 27, 10:00am

    NOW until 10:00am Sat

    Winter Weather Advisory

  • Today

    High: 32 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Monday

    Monday: Rain. High near 56. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 32. North wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 21. Calm wind.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 56. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 25. Breezy.
Tuesday
Partly sunny, with a high near 33. Breezy.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown PA
 40.22°N 74.93°W (Elev. 164 ft)
Last Update:
4:11 am EST Dec 27, 2025
Forecast Valid:
9am EST Dec 27, 2025-6pm EST Jan 2, 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