National Weather Service Forecast for: Monmouth Junction NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 1:08 am EDT Apr 17, 2025
 
Overnight

Overnight: Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. West wind around 5 mph.
Areas Frost

 Thursday

Thursday: Areas of frost before 9am. Otherwise, sunny, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph.
Areas Frost
then Sunny

 Thursday
Night
Thursday Night: Clear, with a low around 39. West wind around 5 mph becoming calm after midnight.
Clear

 Friday

Friday: Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Saturday

Saturday: A slight chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 57.
Mostly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 71.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 48.
Mostly Cloudy
Lo 35 °F Hi 62 °F Lo 39 °F Hi 69 °F Lo 56 °F Hi 82 °F Lo 57 °F Hi 71 °F Lo 48 °F

Frost Advisory
 

Overnight
 
 Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. West wind around 5 mph.
Thursday
 
 Areas of frost before 9am. Otherwise, sunny, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
 
 Clear, with a low around 39. West wind around 5 mph becoming calm after midnight.
Friday
 
 Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
 A slight chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Saturday Night
 
 Mostly cloudy, with a low around 57.
Sunday
 
 Partly sunny, with a high near 71.
Sunday Night
 
 Mostly cloudy, with a low around 48.
Monday
 
 Mostly cloudy, with a high near 61.
Monday Night
 
 A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Tuesday
 
 Partly sunny, with a high near 66.
Tuesday Night
 
 Partly cloudy, with a low around 46.
Wednesday
 
 Mostly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Monmouth Junction NJ.