NWS Forecast for Monmouth Junction NJ

National Weather Service Forecast for: Monmouth Junction NJ
Issued by: National Weather Service Philadelphia, PA

Updated: 1:45 am EST Dec 23, 2025

Overnight Chance Snow	Tuesday Rain/Snow then Chance Rain/Snow	Tuesday Night Decreasing Clouds	Wednesday Sunny	Wednesday Night Mostly Cloudy	Christmas Day Mostly Cloudy	Thursday Night Mostly Cloudy	Friday Mostly Cloudy then Snow Likely	Friday Night Snow
Lo 29 °F	Hi 39 °F	Lo 32 °F	Hi 45 °F	Lo 25 °F	Hi 43 °F	Lo 24 °F	Hi 33 °F	Lo 26 °F

Overnight	A chance of snow. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday	Rain and snow before 1pm, then a chance of rain between 1pm and 4pm. High near 39. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night	Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday	Sunny, with a high near 45. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night	Mostly cloudy, with a low around 25. Calm wind.
Christmas Day	Mostly cloudy, with a high near 43.
Thursday Night	Mostly cloudy, with a low around 24.
Friday	Snow likely after 1pm. Cloudy, with a high near 33. Chance of precipitation is 70%.
Friday Night	Snow. Low around 26. Chance of precipitation is 90%.
Saturday	A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 37. Chance of precipitation is 40%.
Saturday Night	A chance of rain. Cloudy, with a low around 32. Chance of precipitation is 50%.
Sunday	Rain likely. Cloudy, with a high near 45. Chance of precipitation is 70%.
Sunday Night	A chance of rain. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Monday	Mostly sunny, with a high near 31.

Forecast from NOAA-NWS for Monmouth Junction NJ.