08540 Weather (Princeton, NJ)

Weather forecast for: Princeton NJ

Last Update: 2:21 pm EDT Oct 14, 2026

This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 20%.

Tonight: Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north in the evening.

Thursday: Sunny, with a high near 65. North wind around 5 mph becoming east in the afternoon.

Thursday Night: A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 53. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday: Mostly sunny, with a high near 53. Breezy.

Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 35.

Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 56.

Sunday Night: Mostly clear, with a low around 37.

Monday: Sunny, with a high near 62.

Monday Night: Partly cloudy, with a low around 42.

Tuesday: Mostly sunny, with a high near 65.

Tuesday Night: Partly cloudy, with a low around 45.

Wednesday: Sunny, with a high near 66.