Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed SW 3 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 3 Apr 6:53 pm EDT
Extended Forecast for

Monmouth Junction NJ

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, mainly after 2pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 72. Light and variable wind becoming east 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: 72 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Cloudy, with a low around 47. East wind 5 to 15 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers.  High near 70. West wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. West wind around 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph.
Saturday
A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Cloudy, with a low around 47. East wind 5 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 70. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 40. West wind around 10 mph.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
6:46 pm EDT Apr 3, 2026
7pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
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Additional Resources

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