Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28° N Lon: 74.82° W Elev: 210 ft.

Fair

77°F

25°C

Humidity 69%
Wind Speed SW 3 mph
Barometer 30.01 in (1015.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 May 8:53 pm EDT
Detailed forecast for

Lower Bucks

Tonight
Partly cloudy this evening, then clearing. Lows in the lower 70s. Southwest winds 5 to 10 mph.
Wednesday
Sunny in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the lower 90s. Temperature falling into the upper 80s in the afternoon. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Wednesday Night
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Much cooler with lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 70 percent.
Thursday
Mostly cloudy with a 50 percent chance of showers. Not as warm with highs in the upper 60s. Northeast winds 5 to 10 mph.
Thursday Night
Mostly cloudy. Lows in the lower 50s. Southeast winds around 5 mph, becoming northeast after midnight.
Friday
Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers. Highs in the mid 60s.
Friday Night
Showers. Lows in the upper 40s. Chance of rain 80 percent.
Saturday
Showers. Highs around 60. Chance of rain 80 percent.
Saturday Night
Showers. Lows in the lower 50s. Chance of rain 80 percent.
Sunday
Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 60 percent.
Sunday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Memorial Day
Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
Monday Night
Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 40 percent.
Tuesday
Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.



Basemap Options
Click map to change the forecast location
Loading map...
710 PM EDT Tue May 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database