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South River, NJ Weather Forecast
South River, NJ Weather Forecast Dated: 622 PM Sun Aug 30 2026 (South River Time)
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the next two weeks. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Sunday, August 30, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Light Drizzle
Early-Evening
78°F 26°C
Light Drizzle
Warm with a mix of sun and clouds, steady humidity and steady pressure. A stray shower or storm late in the day. Winds shifting from WSW to NNW at 8 mph 13 km/h.
Monday, August 31, 2026
Mid-Morning
74°F 24°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
74°F 23°C
Overcast
Warm with overcast skies, increasing humidity and steady pressure.
Tuesday, September 1, 2026
Mid-Morning
74°F 23°C
Cloudy
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
73°F 23°C
Light Showers
Very warm with a mix of sun and clouds, increasing humidity and steady pressure. Isolated showers. Winds shifting from WNW to ESE at 9 mph 14 km/h.
Wednesday, September 2, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
78°F 25°C
Light Showers
Early-Evening
77°F 25°C
Sunny
Warm with a mix of sun and clouds, steady humidity and barometric pressure falling. Thunderstorms possible in the afternoon. Winds shifting from SE to SSE at 9 mph 14 km/h.
Thursday, September 3, 2026
Mid-Morning
73°F 23°C
Light Fog
Mid-Afternoon
86°F 30°C
Nearby Thunderstorms
Early-Evening
80°F 27°C
Sunny
Very warm with cloudy skies, lower humidity and steady pressure. A few isolated thunderstorms. Winds shifting from SW to NW at 5 mph 8 km/h.
Friday, September 4, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
75°F 24°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 NNW at 12 mph 19 km/h.
Saturday, September 5, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
76°F 24°C
Cloudy
Early-Evening
72°F 22°C
Cloudy
Warm with mostly cloudy skies, lower humidity and steady pressure. Winds shifting from WSW to NE at 11 mph 18 km/h.
Sunday, September 6, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
70°F 21°C
Partly Cloudy
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from NE to S at 7 mph 11 km/h.
Monday, September 7, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
71°F 22°C
Overcast
Warm with overcast skies, steady humidity and steady pressure. Winds shifting from SSW to S at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
69°F 20°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. Spotty showers, dry in most areas. Winds shifting from SW to SSW at 12 mph 19 km/h.
Wednesday, September 9, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
84°F 29°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds W at 11 mph 18 km/h.
Thursday, September 10, 2026
Mid-Morning
80°F 27°C
Cloudy
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
85°F 30°C
Sunny
Hot with mostly sunny skies in the morning, partly sunny in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SW to SSW at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
89°F 31°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SW to SSW at 13 mph 21 km/h.
South River, NJ Weather Radar Map
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