National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Light Wintry Mix through This Morning, then a Winter Storm Anticipated Sunday into Monday

Briefing on this morning's icing in the southern Poconos and NW NJ, as well as potential impacts from a winter storm Sunday into Monday. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Rain Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed E 10 mph
Barometer 29.81 in (1009.1 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Wind Chill29°F (-2°C)
Last update 20 Feb 8:53 am EST
Extended Forecast for

Monmouth Junction NJ

  • Today

    Today: Rain, mainly before 2pm. High near 43. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 34. Calm wind becoming west around 5 mph after midnight.

    Low: 34 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 49. West wind 5 to 10 mph.

    High: 49 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 31. Calm wind becoming east around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, possibly mixed with rain before 10am, then snow. High near 39. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly before 2pm. High near 43. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 34. Calm wind becoming west around 5 mph after midnight.
Saturday
Increasing clouds, with a high near 49. West wind 5 to 10 mph.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 31. Calm wind becoming east around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow likely, possibly mixed with rain before 10am, then snow. High near 39. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Cloudy, with a high near 38. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
Last Update:
4:13 am EST Feb 20, 2026
Forecast Valid:
9am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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