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

16°F

-9°C

Humidity 49%
Wind Speed NW 12 G 22 mph
Barometer 30.19 in (1022.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 28 Jan 9:53 am EST
Extended Forecast for

Newtown Grant PA

Cold Weather Advisory January 28, 10:00am until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 28, 10:00am until January 29, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • Today

    High: 18 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 0. West wind around 5 mph becoming calm after midnight.

    Low: 0 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 19. Wind chill values as low as -15. West wind around 10 mph.

    High: 19 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. Wind chill values as low as -13. West wind around 5 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 16. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 16 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Cloudy, with a low around 10. Chance of precipitation is 30%.

    Low: 10 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Increasing clouds, with a high near 18. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 0. West wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 19. Wind chill values as low as -15. West wind around 10 mph.
Thursday Night
Mostly clear, with a low around 0. Wind chill values as low as -13. West wind around 5 mph.
Friday
Sunny, with a high near 16. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Mostly cloudy, with a high near 18.
Saturday Night
A chance of snow after 1am. Cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
A chance of snow. Cloudy, with a high near 23. Blustery. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown Grant PA
 40.27°N 74.95°W (Elev. 302 ft)
Last Update:
9:50 am EST Jan 28, 2026
Forecast Valid:
10am EST Jan 28, 2026-6pm EST Feb 3, 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