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Passaic River County Reservation, NJ Weather Forecast
Passaic River County Reservation, NJ Weather Forecast Dated: 336 AM Mon Aug 31 2026 (Passaic River County Reservation Time)
Expect a mild stretch with a mix of sun and clouds and occasional showers over the next two weeks. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Monday, August 31, 2026
Mid-Morning
71°F 22°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
72°F 22°C
Light Showers
Very warm with overcast skies, steady humidity and steady pressure.
Tuesday, September 1, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
77°F 25°C
Light Showers
Very warm with mostly cloudy skies, increasing humidity and steady pressure.
Wednesday, September 2, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
75°F 24°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure.
Thursday, September 3, 2026
Mid-Morning
71°F 22°C
Light Fog
Mid-Afternoon
81°F 27°C
Nearby Thunderstorms
Early-Evening
78°F 25°C
Light Showers
Very warm with cloudy skies, lower humidity and steady pressure. A few isolated thunderstorms.
Friday, September 4, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
73°F 23°C
Overcast
Very warm with overcast skies, lower humidity and steady pressure. Winds shifting from NW to NNW at 8 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds NNW at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
69°F 20°C
Overcast
Warm with overcast skies, lower humidity and steady pressure. Winds shifting from N to ENE at 6 mph 10 km/h.
Monday, September 7, 2026
Mid-Morning
62°F 17°C
Cloudy
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
67°F 20°C
Overcast
Warm with overcast skies, steady humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
76°F 25°C
Partly Cloudy
Early-Evening
68°F 20°C
Overcast
Warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
70°F 21°C
Overcast
Warm with overcast skies, steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
78°F 25°C
Scattered Showers
Early-Evening
75°F 24°C
Scattered Showers
Warm with a mix of sun and clouds, steady humidity and steady pressure. Scattered showers, some areas remaining dry.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
79°F 26°C
Sunny
Very warm with a mix of sun and clouds, steady humidity and barometric pressure falling. Scattered showers, some areas remaining dry. Winds shifting from SW to WSW at 5 mph 9 km/h.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
68°F 20°C
Overcast
Warm with mostly cloudy skies, lower humidity and barometric pressure rising. Winds shifting from NNE to E at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
64°F 18°C
Sunny
Warm with overcast skies, steady humidity and steady pressure. Winds shifting from ENE to SSE at 6 mph 10 km/h.
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