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

40°F

4°C

Humidity 93%
Wind Speed N 5 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Mar 4:53 am EDT
Extended Forecast for

2 Miles SSW Lawrenceville NJ

  • Today

    Today: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 43. South wind around 5 mph becoming calm after midnight.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Partly sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70. Light west wind becoming southwest 5 to 10 mph in the morning.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 43. South wind around 5 mph becoming calm after midnight.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. Calm wind.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly clear, with a low around 30. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 49.
Friday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 54.
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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:
4:09 am EDT Mar 9, 2026
Forecast Valid:
5am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation