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

79°F

26°C

Humidity 60%
Wind Speed W 8 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Oct 2:53 pm EDT
Extended Forecast for

Hightstown NJ

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind around 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. North wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 53. Calm wind becoming southeast 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.

    Low: 53 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 30%.

    High: 54 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind around 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north in the evening.
Thursday
Sunny, with a high near 65. North wind 5 to 10 mph.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 53. Calm wind becoming southeast 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.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 78. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 30%.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hightstown NJ
 40.26°N 74.51°W (Elev. 115 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
3pm EDT Oct 14, 2026-6pm EDT Oct 21, 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