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

40°F

4°C

Humidity 60%
Wind Speed S 6 mph
Barometer 29.64 in (1003.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 25 Feb 3:53 pm EST
Extended Forecast for

2 Miles SW Hopewell NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming west after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 1pm, then a chance of snow. Increasing clouds, with a high near 40. West wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Southwest wind around 5 mph becoming calm.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Southeast wind around 5 mph becoming calm.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming west after midnight.
Thursday
A slight chance of rain before 1pm, then a chance of snow. Increasing clouds, with a high near 40. West wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 20. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 27. Southeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Cloudy, with a high near 36. Chance of precipitation is 40%.
Tuesday Night
Snow and freezing rain likely. Cloudy, with a low around 25. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly sunny, with a high near 44. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 ft)
Last Update:
4:17 pm EST Feb 25, 2026
Forecast Valid:
4pm EST Feb 25, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation