Weather WorldPennington, NJ 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Pennington, NJ Weather Forecast
Pennington, NJ Weather Forecast Date: 400 AM EDT Wed Sep 16 2026
The area/counties/county of: Mercer, including the city of Trenton.or toggle through each period.
Today... Sunny. Highs in the lower 80s. Southwest winds around 5 mph.
Tonight... Partly cloudy. Warmer with lows in the mid 60s. Southwest winds around 5 mph.
Thursday... Partly sunny. Hot with highs in the mid 80s. Southwest winds around 5 mph.
Thursday Night... Mostly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph.
Friday... Mostly sunny. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph.
Friday Night... Partly cloudy. Cooler with lows in the mid 50s.
Saturday... Partly sunny. Highs in the mid 70s.
Saturday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Sunday... Showers likely. Highs in the mid 70s. Chance of rain 70%.
Sunday Night... Showers likely. Lows in the upper 50s. Chance of rain 70%.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the mid 70s.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
Pennington Radar Loop
Use the map search tool if you want to place a location marker on the radar map...