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

76°F

24°C

Humidity 54%
Wind Speed S 7 mph
Barometer 29.73 in (1005.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Apr 11:53 pm EDT
Extended Forecast for

2 Miles ENE Hopewell NJ

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 65. West wind around 10 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 4pm. Partly sunny, with a high near 80. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. North wind 5 to 10 mph becoming east in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Southeast wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms. High near 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

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

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 65. West wind around 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 80. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 55. North wind 5 to 10 mph becoming east in the evening.
Saturday
Partly sunny, with a high near 72. Southeast wind 5 to 10 mph.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms. High near 60. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 68.
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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:
10:24 pm EDT Apr 16, 2026
Forecast Valid:
12am EDT Apr 17, 2026-6pm EDT Apr 23, 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