Mendham, NJ 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Mendham, NJ Weather Forecast


Mendham, NJ Weather Forecast Date: 400 AM EDT Wed Sep 30 2026
The area/counties/county of: Morris, including the city of Morristown.or toggle through each period.
Today... Mostly sunny. Highs in the mid 70s. Light and variable winds, becoming west around 5 mph this afternoon.
Tonight... Mostly cloudy. Lows in the upper 50s. Light and variable winds, becoming southwest around 5 mph after midnight.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. Southwest winds around 5 mph.
Thursday Night... Partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph.
Friday... Mostly sunny. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph.
Friday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 50s.
Saturday... Mostly sunny. Not as warm with highs in the upper 60s.
Saturday Night... Partly cloudy. Lows in the lower 50s.
Sunday... Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40%.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 40%.
Monday... Mostly sunny. Highs in the mid 60s.
Monday Night... Mostly clear. Cooler with lows in the lower 40s.
Weather World