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.

Fair

63°F

17°C

Humidity 52%
Wind Speed N 15 G 29 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Sep 11:53 am EDT
Extended Forecast for

Rocky Hill NJ

Wind Advisory September 25, 06:00pm until September 27, 06:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. Breezy, with a north wind around 20 mph.

    High: 72 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A chance of rain, mainly after 11pm. Cloudy, with a low around 55. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Rain, mainly after 7am. High near 62. Breezy, with a north wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 53. 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 half and three quarters of an inch possible.

    Low: 53 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 64. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 2am. Cloudy, with a low around 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. Breezy, with a north wind around 20 mph.
Tonight
A chance of rain, mainly after 11pm. Cloudy, with a low around 55. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly after 7am. High near 62. Breezy, with a north wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 53. 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 half and three quarters of an inch possible.
Sunday
Rain. High near 64. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely, mainly before 2am. Cloudy, with a low around 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of rain before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rocky Hill NJ
 40.39°N 74.66°W (Elev. 190 ft)
Last Update:
4:10 am EDT Sep 25, 2026
Forecast Valid:
12pm EDT Sep 25, 2026-6pm EDT Oct 1, 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