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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

19°F

-7°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 13 Feb 6:53 am EST
Extended Forecast for

Newtown PA

  • Today

    Today: Sunny, with a high near 35. Northwest wind around 5 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow showers after 2am. Increasing clouds, with a low around 21. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 21 °F

    Mostly Clear
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. West wind around 5 mph becoming calm.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Northwest wind around 5 mph.
Tonight
A slight chance of snow showers after 2am. Increasing clouds, with a low around 21. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 24. West wind around 5 mph becoming calm.
Sunday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Washington's Birthday
Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Cloudy, with a high near 51. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newtown PA
 40.22°N 74.96°W (Elev. 98 ft)
Last Update:
4:15 am EST Feb 13, 2026
Forecast Valid:
7am EST Feb 13, 2026-6pm EST Feb 19, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation