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.

Partly Cloudy

62°F

17°C

Humidity 84%
Wind Speed S 3 mph
Barometer 29.80 in (1008.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 5 Apr 10:53 am EDT
Extended Forecast for

2 Miles ENE Hopewell NJ

  • Today

    Today: Showers and possibly a thunderstorm. High near 67. West wind around 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.

    High: 67 °F

    Showers

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 38. West wind around 10 mph.

    Low: 38 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 56. West wind 10 to 15 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 27.

    Low: 27 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 67. West wind around 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.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 38. West wind around 10 mph.
Monday
Sunny, with a high near 56. West wind 10 to 15 mph.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 27.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 73.
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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:
5:48 am EDT Apr 5, 2026
Forecast Valid:
11am EDT Apr 5, 2026-6pm EDT Apr 11, 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