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.

Overcast

29°F

-2°C

Humidity 82%
Wind Speed N 7 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Dec 1:53 pm EST
Extended Forecast for

2 Miles SW Hopewell NJ

  • This Afternoon

    This Afternoon: Cloudy, with a high near 31. North wind around 5 mph.

    High: 31 °F

    Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain. Low around 32. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain

  • Monday

    Monday: Rain. High near 55. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 31. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 19. Calm wind.
Sunday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.
Sunday Night
Rain. Low around 32. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 55. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 33. Breezy.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 23.
New Year's Day
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 ft)
Last Update:
4:11 am EST Dec 27, 2025
Forecast Valid:
2pm EST Dec 27, 2025-6pm EST Jan 2, 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