Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

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

Partly Cloudy

67°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.23 in (1023.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 9 Sep 7:53 am EDT
Detailed forecast for

Lower Bucks

Today
Patchy fog this morning. Partly sunny. Hot with highs in the mid 80s. Southwest winds 5 to 10 mph.
Tonight
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Warmer with lows in the lower 70s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
Thursday
Mostly sunny. A chance of showers in the afternoon. Hot with highs in the mid 80s. West winds around 10 mph. Chance of rain 30 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of showers. Humid with lows in the mid 60s. Northwest winds 5 to 10 mph.
Friday
Sunny. Less humid with highs in the upper 70s. Northwest winds around 5 mph.
Friday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Saturday
Partly sunny. Highs around 80.
Saturday Night
Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
Sunday
Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
Sunday Night
Mostly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 40 percent.
Monday
Mostly sunny. Highs in the mid 80s.
Monday Night
Partly cloudy. Lows in the mid 60s.
Tuesday
Mostly sunny. Highs in the mid 80s.



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400 AM EDT Wed Sep 9 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database