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Sweetwater, NJ Weather Forecast
Sweetwater, NJ Weather Forecast Dated: 1249 AM Tue Sep 01 2026 (Sweetwater Time)
Expect a very warm period with more clouds than sun and frequent chances of rain over the next two weeks. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
85°F 29°C
Overcast
Hot with a mix of sun and clouds, lower humidity and steady pressure. Winds shifting from WSW to SE at 5 mph 8 km/h.
Wednesday, September 2, 2026
Mid-Morning
73°F 23°C
Light Showers
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
74°F 24°C
Partly Cloudy
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Isolated showers.
Thursday, September 3, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
88°F 31°C
Nearby Thunderstorms
Early-Evening
79°F 26°C
Nearby Thunderstorms
Very warm with cloudy skies, lower humidity and steady pressure. A few pop-up thunderstorms. Winds increasing from the SSW at 3 mph 4 km/h to WSW at 11 mph 18 km/h.
Friday, September 4, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Nearby Thunderstorms
Early-Evening
81°F 28°C
Overcast
Hot with cloudy skies, lower humidity and steady pressure. A couple of thunderstorms around. Winds shifting from WNW to NNE at 6 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Very warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Partly Cloudy
Warm with overcast skies, steady humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Warm with mostly sunny skies in the morning, partly sunny in the afternoon, and mostly sunny in the evening, steady humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
68°F 20°C
Overcast
Warm with overcast skies, steady humidity and barometric pressure falling.
Wednesday, September 9, 2026
Mid-Morning
69°F 21°C
Light Showers
Mid-Afternoon
75°F 24°C
Scattered Showers
Early-Evening
71°F 22°C
Light Fog
Warm with a mix of sun and clouds, steady humidity and barometric pressure falling. Isolated showers. Winds shifting from S to ESE at 6 mph 9 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure. Winds NNE at 15 mph 24 km/h.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
65°F 19°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure. Winds NNE at 12 mph 20 km/h.
Saturday, September 12, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
69°F 21°C
Scattered Showers
Cool with overcast skies, steady humidity and steady pressure. Winds NNE at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
74°F 24°C
Light Fog
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Spotty showers, dry in most areas.
Monday, September 14, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
78°F 26°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
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