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Darien, CT Weather Forecast


Darien, CT Weather Forecast Dated: 326 PM Thu Sep 10 2026
Expect a mild stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
76°F 24°C
Rain Showers
Mid-Afternoon
92°F 34°C
Rain Showers
Early-Evening
82°F 28°C
Sunny
Sizzling hot near 92°F 34°C with a heat index reaching 100°F 38°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds turning from the WSW to the WNW at 8 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 80°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
73°F 23°C
Overcast
Enjoyable around 71°F 22°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the NE to the S at 10 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
76°F 24°C
Scattered Showers
Mild temperatures up to 76°F 25°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds moving from the S to the WNW at 8 mph 12 km/h.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
74°F 24°C
Overcast
Mild with a high of 78°F 25°C, overcast throughout the day, with lower humidity and steady pressure. Winds out of the N at 7 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
73°F 23°C
Sunny
Pleasant near 75°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SE to the S at 12 mph 19 km/h.
Wednesday, September 16, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm and summery around 82°F 28°C (feels like 86°F 30°C), sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SW to the SSW at 14 mph 22 km/h. Gusts up to 22 mph 36 km/h.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
70°F 21°C
Heavy Rain Showers
Early-Evening
72°F 22°C
Heavy Rain Showers
Enjoyable around 70°F 21°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure falling. Winds switching from the NNE to the NW at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
68°F 20°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 68°F 20°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the WSW to the NNW at 15 mph 24 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
63°F 17°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the ESE to the NNE at 7 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
62°F 17°C
Sunny
Comfortable at 65°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NNW to the NNE at 12 mph 19 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
66°F 19°C
Overcast
Cool with a high near 64°F 18°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the NW to the SSW at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
69°F 21°C
Overcast
Enjoyable around 72°F 22°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SW to the S at 12 mph 19 km/h.
Wednesday, September 23, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
69°F 21°C
Partly Cloudy
Mild temperatures up to 69°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
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