Hackensack Reservoir Number One, NJ 7-Day Weather Forecast

Hackensack Reservoir Number One Weather Forecast

Hackensack Reservoir Number One, NJ Weather Forecast Date: 216 AM EDT Tue Aug 18 2026

Weather forecast for Hackensack Reservoir Number One, NJ

Today Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C	Today... Mostly cloudy this morning, then becoming partly sunny. A 20% chance of showers. Highs in the mid 80s. North winds around 5 mph, becoming west around 5 mph this afternoon.
Wed Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C	Wednesday... Sunny. Highs in the upper 80s. West winds 5 to 10 mph.
Thu Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C	Thursday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds around 5 mph, becoming southwest in the afternoon. Chance of rain 70%.
Fri Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C	Friday... Partly sunny. Highs in the lower 80s.
Sat Hi: 79°FHi: 26°C Lo: 69°F Lo: 21°C	Saturday... Partly sunny with a 50% chance of showers. Highs in the upper 70s.
Sun Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C	Sunday... Partly sunny. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 60%.
Mon Hi: 81°FHi: 27°C	Monday... Sunny. Highs in the lower 80s.