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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SSW Lawrenceville NJ

  • Today

    Today: Patchy dense fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly between 8am and 2pm. Cloudy, with a high near 60. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 50. South wind around 5 mph.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly between 8am and 2pm. Cloudy, with a high near 60. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 30. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 59.
Sunday Night
Rain. Low around 45. Chance of precipitation is 90%.
Monday
Rain. High near 57. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lawrenceville NJ
 40.27°N 74.75°W (Elev. 95 ft)
Last Update:
4:08 am EDT Mar 10, 2026
Forecast Valid:
5am EDT Mar 10, 2026-6pm EDT Mar 16, 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