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

41°F

5°C

Humidity 89%
Wind Speed NW 10 mph
Barometer 29.64 in (1003.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Nov 1:53 pm EST
Extended Forecast for

2 Miles ENE Hopewell NJ

  • This Afternoon

    This Afternoon: Rain likely, mainly before 4pm. Cloudy, with a high near 40. North wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 32. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly before 4pm. Cloudy, with a high near 40. North wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 32. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 33. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 62.
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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:
12:49 pm EST Nov 13, 2026
Forecast Valid:
2pm EST Nov 13, 2026-6pm EST Nov 19, 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