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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

79°F

26°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 9:53 am EDT
Extended Forecast for

Rossmoor NJ

  • Today

    Today: Sunny, with a high near 93. Southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 62. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Partly sunny, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 62. East wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor NJ
 40.32°N 74.47°W (Elev. 138 ft)
Last Update:
4:22 am EDT Aug 17, 2025
Forecast Valid:
10am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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