Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

80°F

27°C

Humidity 39%
Wind Speed S 8 mph
Barometer 30.11 in (1019.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Aug 3:53 pm EDT
Extended Forecast for

Monmouth Junction NJ

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. South wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 89. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
4:10 am EDT Aug 3, 2025
4pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database