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.

Fair

54°F

12°C

Humidity 55%
Wind Speed W 14 G 20 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 38°F (3°C)
Visibility 9.00 mi
Wind Chill50°F (10°C)
Last update 10 Nov 9:53 am EST
Extended Forecast for

Rocky Hill NJ

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 65. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Clear

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 63. Calm wind becoming west around 5 mph.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain. High near 61. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 65. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Veterans Day
Increasing clouds, with a high near 63. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Calm wind.
Thursday
Rain. High near 61. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 54.
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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:
8:20 am EST Nov 10, 2026
Forecast Valid:
10am EST Nov 10, 2026-6pm EST Nov 16, 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