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.

Mostly Cloudy

32°F

0°C

Humidity 69%
Wind Speed S 8 mph
Barometer 29.53 in (999.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 1 Jan 4:53 am EST
Extended Forecast for

Yardley PA

Snow Squall Warning January 1, 05:04am until January 1, 05:30am
Click here for hazard details and duration
Snow Squall Warning
  •  
    Snow Squall Warning January 1, 05:04am until January 1, 05:30am

    NOW until 5:30am Thu

    Snow Squall Warning

  • Overnight

    Low: 24 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: A chance of snow showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. West wind 5 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33. West wind 5 to 10 mph.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. West wind around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of snow showers. Mostly cloudy, with a low around 24. Southwest wind around 15 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
New Year's Day
A chance of snow showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 19. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 33. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 19. West wind around 5 mph.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yardley PA
 40.25°N 74.84°W (Elev. 69 ft)
Last Update:
4:10 am EST Jan 1, 2026
Forecast Valid:
5am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation