Weather WorldPrinceton Junction, NJ 7-Day Night Weather Forecast
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Princeton Junction, NJ Weather Forecast
Princeton Junction, NJ Weather Forecast Date: 400 AM EST Wed Nov 04 2026
The area/counties/county of: Mercer, including the city of Trenton.or toggle through each period.
Today... Sunny. Highs in the mid 70s. South winds around 5 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph.
Thursday... Mostly cloudy with a 50% chance of rain. Highs in the lower 70s. South winds 5 to 10 mph.
Thursday Night... Mostly cloudy. A chance of rain in the evening, then rain after midnight. Lows in the lower 60s. South winds around 5 mph. Chance of rain 90%.
Friday... Rain. Highs around 70. Temperature falling into the mid 60s in the afternoon. South winds around 5 mph, becoming southeast in the afternoon. Chance of rain 90%.
Friday Night... Mostly cloudy with a chance of rain in the evening, then partly cloudy after midnight. Cooler with lows around 50. Chance of rain 50%.
Saturday... Mostly sunny. Highs in the mid 60s.
Saturday Night... Partly cloudy. Lows in the lower 40s.
Sunday... Mostly sunny. Highs around 60.
Sunday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 30s.
Monday... Sunny. Highs in the upper 50s.
Monday Night... Mostly clear. Lows in the mid 30s.
POP = Probability of Precipitation
Princeton Junction Radar Loop
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