Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

21°F

-6°C

Humidity 54%
Wind Speed NW 13 G 22 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 26 Jan 6:53 pm EST
Extended Forecast for

Newtown PA

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

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Tonight

    Low: 6 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 21. Wind chill values as low as -8. Southwest wind 10 to 15 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -6. West wind 5 to 10 mph.

    Low: 6 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. Wind chill values as low as -7. West wind around 10 mph.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 4. West wind around 5 mph.

    Low: 4 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -6. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 21. Wind chill values as low as -8. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -6. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 20. Wind chill values as low as -7. West wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 4. West wind around 5 mph.
Thursday
Sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around -1.
Friday
Mostly sunny, with a high near 16.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newtown PA
 40.22°N 74.96°W (Elev. 98 ft)
4:11 pm EST Jan 26, 2026
7pm EST Jan 26, 2026-6pm EST Feb 2, 2026
 
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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