Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

45°F

7°C

Humidity 56%
Wind Speed N 6 mph
Barometer 30.20 in (1022.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 May 6:53 am EDT
Extended Forecast for

Rocky Hill NJ

  • Today

    Today: Sunny, with a high near 67. West wind around 5 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Calm wind becoming south around 5 mph after midnight.

    Low: 48 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers after 5pm.  Mostly cloudy, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am.  Low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm.  High near 67. West wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers.  Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. West wind around 5 mph.
Tonight
Increasing clouds, with a low around 48. Calm wind becoming south around 5 mph after midnight.
Wednesday
A chance of showers after 5pm. Mostly cloudy, with a high near 74. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 67. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Rocky Hill NJ
 40.39°N 74.66°W (Elev. 190 ft)
4:08 am EDT May 12, 2026
7am EDT May 12, 2026-6pm EDT May 18, 2026
 
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Additional Resources

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