National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Partly Cloudy

78°F

26°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Sep 2:53 pm EDT
Extended Forecast for

3 Miles WSW Princeton NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 55. West wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 78. North wind around 5 mph.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 55. West wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Princeton NJ
 40.35°N 74.7°W (Elev. 98 ft)
Last Update:
4:09 am EDT Sep 6, 2026
Forecast Valid:
3pm EDT Sep 6, 2026-6pm EDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation