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.

Fair

63°F

17°C

Humidity 64%
Wind Speed SW 5 mph
Barometer 30.04 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 10 Mar 10:53 am EDT
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • Today

    Today: Sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Increasing clouds, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 53. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 58 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow showers before 8pm. Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers, mainly after 2pm. Increasing clouds, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 53. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain showers before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of snow showers before 8pm. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 57.
Sunday Night
Rain. Low around 43. Chance of precipitation is 90%.
Monday
Rain. High near 56. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sergeantsville NJ
 40.42°N 74.92°W (Elev. 200 ft)
Last Update:
4:08 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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