Weather World
Hackensack Reservoir Number One, NJ 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Hackensack Reservoir Number One, NJ Weather Forecast
Hackensack Reservoir Number One, NJ Weather Forecast Date: 1000 AM EDT Thu Aug 06 2026
or toggle through each period.
Today... Mostly sunny. Highs around 90. Southwest winds 5 to 10 mph. Gusts up to 20 mph this afternoon. Heat index values up to 101.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20%.
Friday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 40%. Heat index values up to 103.
Friday Night... Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Some thunderstorms May produce gusty winds and heavy rainfall in the evening. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 60%.
Saturday... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20%. Heat index values in the upper 90s.
Saturday Night... Partly cloudy. Lows in the mid 70s.
Sunday... Sunny. Highs around 90. Heat index values in the mid 90s.
Sunday Night... Mostly clear. Lows in the mid 70s.
Monday... Mostly sunny. Highs around 90. Heat index values in the mid 90s.
Monday Night... Partly cloudy. Lows in the mid 70s.
Tuesday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 90s. Chance of rain 40%. Heat index values in the upper 90s.
Tuesday Night... Mostly cloudy. A chance of showers. Lows in the lower 70s. Chance of rain 40%.
POP = Probability of Precipitation
Hackensack Reservoir Number One Radar Loop
Use the map search tool if you want to place a location marker on the radar map...