Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

52°F

11°C

Humidity 89%
Wind Speed SW 9 mph
Barometer 30.25 in (1023.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 3 Apr 12:53 pm EDT
Extended Forecast for

Monmouth Junction NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy

  • 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, partly sunny, with a high near 72. West wind 5 to 10 mph becoming east in the afternoon.  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 before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 51. East wind 5 to 10 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers.  High near 73. 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: 73 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.
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, partly sunny, with a high near 72. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 51. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 73. 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
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
1:17 pm EDT Apr 3, 2026
1pm EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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