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

46°F

8°C

Humidity 79%
Wind Speed E 10 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Mar 10:53 pm EDT
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • Tonight

    Tonight: Rain likely, then rain and possibly a thunderstorm after 2am. Temperature rising to around 53 by 5am. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F⇑

    Rain

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Some of the storms could be severe. High near 66. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain showers and sleet. Some thunder is also possible. Low around 30. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.

    Low: 30 °F

    Breezy.
    Severe
    Thunderstorms
    then
    Rain/Sleet

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 30 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, then rain and possibly a thunderstorm after 2am. Temperature rising to around 53 by 5am. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Some of the storms could be severe. High near 66. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain showers and sleet. Some thunder is also possible. Low around 30. Breezy, with a south wind 15 to 25 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Tuesday
Mostly sunny, with a high near 40. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 21. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sergeantsville NJ
 40.42°N 74.92°W (Elev. 200 ft)
Last Update:
4:13 pm EDT Mar 15, 2026
Forecast Valid:
11pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation