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

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

A Few Clouds

50°F

10°C

Humidity 50%
Wind Speed E 14 G 18 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Mar 12:53 pm EDT
Extended Forecast for

4 Miles SE Lawrenceville NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 49. East wind around 10 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36. Northeast wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 57. Northeast wind around 5 mph becoming east in the afternoon.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 41. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 41 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. Breezy. Chance of precipitation is 80%.

    High: 71 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 49. East wind around 10 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36. Northeast wind around 5 mph.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 57. Northeast wind around 5 mph becoming east in the afternoon.
Friday Night
A slight chance of showers after 2am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 41. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
Patchy fog before 11am. Otherwise, cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. Breezy. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 49. Chance of precipitation is 90%.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lawrenceville NJ
 40.26°N 74.69°W (Elev. 66 ft)
Last Update:
10:12 am EDT Mar 13, 2025
Forecast Valid:
12pm EDT Mar 13, 2025-6pm EDT Mar 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation