National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

12°C

53°F

Humidity 38%
Wind Speed W 20 G 37 km/h
Barometer 1012.0 mb (29.90 in)
Dewpoint -2°C (28°F)
Visibility 16 km
Wind Chill9°C (49°F)
Last update 25 Mar 11:53 am EDT
Extended Forecast for

2 Miles SW Hopewell NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 14. West wind around 25 km/h, with gusts as high as 45 km/h.

    High: 14 °C

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. West wind around 10 km/h.

    Low: 1 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 12. West wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon.

    High: 12 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -2. Northwest wind around 10 km/h.

    Low: -2 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 11. West wind 10 to 20 km/h, with gusts as high as 40 km/h.

    High: 11 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1.

    Low: 1 °C

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 15.

    High: 15 °C

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.

    Low: 7 °C

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.

    High: 16 °C

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 14. West wind around 25 km/h, with gusts as high as 45 km/h.
Tonight
Partly cloudy, with a low around 1. West wind around 10 km/h.
Wednesday
Mostly sunny, with a high near 12. West wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon.
Wednesday Night
Mostly clear, with a low around -2. Northwest wind around 10 km/h.
Thursday
Sunny, with a high near 11. West wind 10 to 20 km/h, with gusts as high as 40 km/h.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 15.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Saturday
A chance of showers before 8am. Mostly cloudy, with a high near 16. Chance of precipitation is 30%.
Saturday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 m)
Last Update:
10:11 am EDT Mar 25, 2025
Forecast Valid:
1pm EDT Mar 25, 2025-6pm EDT Mar 31, 2025
 
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