Current conditions at

Trenton-Mercer Airport (KTTN)

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

Light Rain

48°F

9°C

Humidity 96%
Wind Speed S 7 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 29 Apr 11:53 pm EDT
Detailed forecast for

Mercer County

Tonight
A slight chance of thunderstorms this evening. Showers. Lows in the upper 40s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
Thursday
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s. Northwest winds 5 to 10 mph.
Thursday Night
Partly cloudy in the evening, then clearing. Lows in the lower 40s. Northwest winds 5 to 10 mph.
Friday
Sunny. Highs in the lower 60s. West winds 5 to 10 mph.
Friday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 40s. West winds 5 to 10 mph.
Saturday
Mostly cloudy. Highs around 60.
Saturday Night
Mostly cloudy. Lows in the upper 30s.
Sunday
Mostly sunny. Highs around 60.
Sunday Night
Mostly clear. Lows in the lower 40s.
Monday
Mostly sunny. Highs in the upper 60s.
Monday Night
Mostly cloudy with a 30 percent chance of showers. Not as cool with lows in the lower 50s.
Tuesday
Mostly sunny. Highs in the lower 70s.
Tuesday Night
Partly cloudy. Lows in the upper 40s.
Wednesday
Mostly sunny. Highs in the lower 70s.



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400 PM EDT Wed Apr 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database