7-Day Forecast 40.3°N 74.62°W (Text-Only)
NWS Forecast for: Princeton Junction NJ
Issued by: National Weather Service Philadelphia, PA
Last Update: 2:35 am EST Jan 15, 2026


Overnight: A chance of rain. Cloudy, with a low around 37. Southwest wind around 5 mph. Chance of precipitation is 50%.

Thursday: A chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a west wind 15 to 20 mph. Chance of precipitation is 30%.

Thursday Night: Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 20 mph.

Friday: Sunny, with a high near 35. West wind 10 to 15 mph.

Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. South wind around 5 mph. Chance of precipitation is 20%.

Saturday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night: Mostly cloudy, with a low around 27.

Sunday: A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

Sunday Night: Partly cloudy, with a low around 17.

M.L.King Day: Sunny, with a high near 30.

Monday Night: Partly cloudy, with a low around 13.

Tuesday: Sunny, with a high near 23.

Tuesday Night: Mostly clear, with a low around 9.

Wednesday: Mostly sunny, with a high near 28.



Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)

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