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

39°F

4°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 30.38 in (1028.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Apr 5:53 am EDT
Extended Forecast for

2 Miles ENE Hopewell NJ

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 70. South wind around 5 mph.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 70. South wind around 5 mph.
Tonight
A slight chance of showers between 2am and 3am. Increasing clouds, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 63. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 38. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Hopewell NJ
 40.4°N 74.75°W (Elev. 233 ft)
Last Update:
4:10 am EDT Apr 10, 2026
Forecast Valid:
6am EDT Apr 10, 2026-6pm EDT Apr 16, 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