Current conditions at

Trenton-Mercer Airport (KTTN)

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

Fair

74°F

23°C

Humidity 37%
Wind Speed SW 14 G 22 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Mar 2:53 pm EDT
Detailed forecast for

Mercer County

This Afternoon
Mostly sunny. Much warmer with highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight
Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Friday
Mostly cloudy. Periods of rain, mainly in the morning. Much cooler with highs in the mid 50s. North winds 10 to 15 mph. Chance of rain 80 percent.
Friday Night
Mostly cloudy in the evening, then becoming partly cloudy. Much colder with lows in the upper 20s. North winds 5 to 10 mph.
Saturday
Sunny. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the upper 20s.
Sunday
Mostly sunny. Highs in the mid 50s.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 30s.
Monday
Partly sunny. Highs in the lower 60s.
Monday Night
Mostly cloudy with a 40 percent chance of rain. Not as cool with lows in the upper 40s.
Tuesday
Mostly cloudy with a 40 percent chance of rain. Highs in the mid 60s.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 60s.



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1200 PM EDT Thu Mar 26 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database