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

Weekend Nor'easter

Coastal flooding, strong winds, dangerous rip currents, high surf, and hazardous marine conditions are expected from a nor'easter impacting the region through this weekend. View this briefing for more details. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

56°F

13°C

Humidity 87%
Wind Speed N 17 G 31 mph
Barometer 29.79 in (1008.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Sep 8:53 am EDT
Extended Forecast for

Rocky Hill NJ

Wind Advisory September 26, 09:40am until September 27, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory September 26, 09:40am until September 27, 06:00am

    NOW until 6:00am Sun

    Wind Advisory

  • Today

    High: 62 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 2am. Low around 54. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 66. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers. Low around 57. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Cloudy, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Today
Showers. High near 62. Breezy, with a north wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, with thunderstorms also possible after 2am. Low around 54. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 66. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Showers. Low around 57. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 8am. Cloudy, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rocky Hill NJ
 40.41°N 74.63°W (Elev. 98 ft)
Last Update:
4:12 am EDT Sep 26, 2026
Forecast Valid:
9am EDT Sep 26, 2026-6pm EDT Oct 2, 2026
 
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