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Mahwah, NJ Weather Forecast


Mahwah, NJ Weather Forecast Dated: 302 AM Mon Aug 31 2026 (Mahwah Time)
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain 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
70°F 21°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
75°F 24°C
Overcast
Warm with overcast skies, steady humidity and steady pressure.
Tuesday, September 1, 2026
Mid-Morning
71°F 22°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Light Showers
Early-Evening
74°F 23°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Winds shifting from WSW to ENE at 8 mph 13 km/h.
Wednesday, September 2, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
70°F 21°C
Light Fog
Early-Evening
71°F 22°C
Light Fog
Warm with a mix of sun and clouds, steady humidity and steady pressure.
Thursday, September 3, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
79°F 26°C
Sunny
Warm with a mix of sun and clouds, lower humidity and steady pressure. A stray shower possible. A stray shower or storm late in the day. Winds shifting from SSW to NNW at 8 mph 12 km/h.
Friday, September 4, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Partly Cloudy
Early-Evening
76°F 24°C
Overcast
Very warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and steady pressure. Winds shifting from NW to NNW at 9 mph 15 km/h.
Saturday, September 5, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Partly Cloudy
Early-Evening
70°F 21°C
Partly Cloudy
Warm with mostly sunny skies in the morning, partly sunny in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure. Winds shifting from NNW to N at 10 mph 15 km/h.
Sunday, September 6, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
65°F 18°C
Scattered Showers
Cool with overcast skies, steady humidity and steady pressure. Winds shifting from N to NE at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
70°F 22°C
Overcast
Warm with mostly cloudy skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Warm with a mix of sun and clouds, steady humidity and barometric pressure falling. A few spotty showers; otherwise dry. Winds shifting from ESE to SE at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
69°F 20°C
Light Fog
Early-Evening
70°F 21°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure. Winds E at 8 mph 13 km/h.
Thursday, September 10, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
67°F 20°C
Sunny
Warm with a mix of sun and clouds, steady humidity and steady pressure. Isolated showers. Winds shifting from NE to NW at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 22°C
Scattered Showers
Warm with mostly sunny skies in the morning, then partly sunny for the afternoon and evening, steady humidity and steady pressure. Winds WSW at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Light Showers
Early-Evening
68°F 21°C
Scattered Showers
Warm with a mix of sun and clouds, lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
72°F 23°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from NW to WSW at 8 mph 12 km/h.
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