Flash Flooding and Severe Thunderstorms Tuesday, July 28th - Wednesday, July 29th

Scattered to numerous thunderstorms are likely across the region Tuesday, July 28th through Wednesday, July 29th which will bring a risk of flash flooding and severe thunderstorms across the entire region. View this briefing for the details regarding these hazards. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

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

Fair

68°F

20°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.54 in (999.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 5:53 am EDT
Detailed forecast for

Mercer County

Today
Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph.
Thursday
Mostly sunny. A chance of showers in the afternoon. Humid with highs around 80. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
Thursday Night
Partly cloudy. Humid with lows in the lower 60s. North winds around 5 mph.
Friday
Mostly sunny. Humid with highs in the mid 80s. North winds around 5 mph.
Friday Night
Partly cloudy. Lows in the mid 60s.
Saturday
Mostly sunny. Hot with highs in the mid 80s.
Saturday Night
Mostly cloudy. Lows in the mid 60s.
Sunday
Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Sunday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Monday
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
Monday Night
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
Tuesday
Mostly sunny with a chance of showers. Hot with highs in the mid 80s. Chance of rain 40 percent.



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602 AM EDT Wed Jul 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database