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

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow

30°F

-1°C

Humidity 49%
Wind Speed NW 18 G 32 mph
Barometer 29.62 in (1002.7 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 30 Dec 3:53 am EST
Extended Forecast for

2 Miles ENE Hopewell NJ

Wind Advisory December 30, 04:51am until December 30, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 04:51am until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • Overnight

    Low: 23 °F

    Slight Chance
    Light Snow
    and Breezy

  • Tuesday

    Tuesday: A slight chance of light snow before 8am. Partly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 32 °F

    Breezy.
    Slight Chance
    Light Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 4am. Increasing clouds, with a low around 22. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 21. Southwest wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 30. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Overnight
A slight chance of light snow. Partly cloudy, with a low around 23. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of light snow before 8am. Partly sunny, with a high near 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of snow showers after 4am. Increasing clouds, with a low around 22. West wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 21. Southwest wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
New Year's Day
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 30. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 21.
Monday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
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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:
4:10 am EST Dec 30, 2025
Forecast Valid:
4am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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