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.

Mostly Cloudy

30°F

-1°C

Humidity 47%
Wind Speed W 10 G 21 mph
Barometer 29.80 in (1008.6 mb)
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 31 Dec 2:53 pm EST
Extended Forecast for

Yardley PA

  • Tonight

    Tonight: A chance of snow showers, mainly between 2am and 5am. Increasing clouds, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. West wind 5 to 10 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 5 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. West wind around 5 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly between 2am and 5am. Increasing clouds, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
New Year's Day
Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 15. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 34. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 20. West wind around 5 mph.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yardley PA
 40.25°N 74.84°W (Elev. 69 ft)
Last Update:
6:43 am EST Dec 31, 2025
Forecast Valid:
3pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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