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

52°F

11°C

Humidity 41%
Wind Speed Calm
Barometer 29.54 in (999.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 14 Jan 3:53 pm EST
Extended Forecast for

2 Miles ENE Hopewell NJ

  • This Afternoon

    This Afternoon: A slight chance of rain. Cloudy, with a high near 52. Calm wind. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 29. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 1pm. Partly sunny, with a high near 36. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain. Cloudy, with a high near 52. Calm wind. Chance of precipitation is 20%.
Tonight
Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 29. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 1pm. Partly sunny, with a high near 36. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 26.
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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:
4:12 am EST Jan 14, 2026
Forecast Valid:
4pm EST Jan 14, 2026-6pm EST Jan 21, 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