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

73°F

23°C

Humidity 28%
Wind Speed W 12 G 24 mph
Barometer 30.15 in (1020.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Oct 1:53 pm EDT
Extended Forecast for

Yardley PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. West wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. East wind around 5 mph becoming northeast after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers. High near 67. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Columbus Day

    Columbus Day: Showers likely before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 49. West wind around 5 mph.
Saturday
Partly sunny, with a high near 73. North wind around 5 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 56. East wind around 5 mph becoming northeast after midnight.
Sunday
Showers. High near 67. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
Showers likely before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yardley PA
 40.23°N 74.84°W (Elev. 102 ft)
Last Update:
4:09 am EDT Oct 9, 2026
Forecast Valid:
2pm EDT Oct 9, 2026-6pm EDT Oct 15, 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