Current conditions at

Trenton-Mercer Airport (KTTN)

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

Fair

54°F

12°C

Humidity 45%
Wind Speed S 12 G 26 mph
Barometer 30.32 in (1026.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 25 Mar 1:53 pm EDT
Detailed forecast for

Mercer County

Today
Mostly cloudy this morning, then becoming partly sunny. Highs in the upper 50s. Southwest winds around 5 mph.
Tonight
Mostly cloudy. Lows in the lower 40s. South winds around 5 mph.
Thursday
Partly sunny. Warmer with highs around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night
Mostly cloudy. A chance of showers in the evening, then showers after midnight. Not as cool with 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. Showers, mainly in the morning. Much cooler with highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Friday Night
Mostly cloudy in the evening, then clearing. Much colder with lows in the upper 20s.
Saturday
Sunny. Highs in the mid 40s.
Saturday Night
Partly cloudy. Cold with lows in the upper 20s.
Sunday
Sunny. Highs in the lower 50s.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.
Monday
Partly sunny. Highs around 60.
Monday Night
Mostly cloudy. Lows in the mid 40s.
Tuesday
Partly sunny. Highs in the mid 60s.



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400 AM EDT Wed Mar 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database