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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

57°F

14°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.18 in (1021.6 mb)
Dewpoint 56°F (13°C)
Visibility 8.00 mi
Last update 24 May 7:53 pm EDT
Extended Forecast for

Rossmoor NJ

  • Tonight

    Tonight: A slight chance of showers after 3am. Patchy fog. Otherwise, cloudy, with a low around 55. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 55 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers, mainly before noon. Patchy fog before 9am. High near 74. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: Cloudy, with a low around 59. Calm wind becoming southwest around 5 mph.

    Low: 59 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind around 5 mph becoming south in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 3am. Patchy fog. Otherwise, cloudy, with a low around 55. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Memorial Day
Showers, mainly before noon. Patchy fog before 9am. High near 74. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Cloudy, with a low around 59. Calm wind becoming southwest around 5 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 60. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor NJ
 40.32°N 74.47°W (Elev. 138 ft)
Last Update:
4:07 pm EDT May 24, 2026
Forecast Valid:
8pm EDT May 24, 2026-6pm EDT May 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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