Danbury

Western Connecticut Planning Region, Connecticut, United States

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Current Weather

19°

Clear

Feels Like: 18°

Min: 13°

Max: 23°

The next few hours will be clear, with tomorrow reaching 26°C and dropping to 18°C. The coming days will be mostly clear until evening.

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Hourly Forecast

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Today
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Daylight Hours

06:41

Sunrise

18:54

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:36

Moonrise

20:56

Moonset

Daily Forecast

Wednesday

13°
23°

Today

17°
26°

Friday

15°
24°

Saturday

11°
19°

Sunday

14°
17°

Monday

13°
18°

Tuesday

12°
18°

Wednesday

11°
18°

Thursday

12°
20°

Friday

13°
16°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

92% Very Humid
Low High

Weather in Danbury tomorrow, September 17, 2026

Danbury stays under cloudy skies on September 17, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 04:00. Outdoor plans early on should not rely on bright skies.

Expect highs of 26°C and cooler readings close to 17°C. The air stays humid, with relative humidity between 67% and 98% and the peak around 03:00. Airflow remains manageable, reaching about 3.7 km/h around 15:00.

Afternoon skies stay clogged, peaking close to 100% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 14.4 km, though it can fall to 12.2 km. Daylight runs from 06:42 to 18:52, lasting 12 hours 9 minutes of sunlight today.

The practical takeaway for Danbury on September 17, 2026 is a cloudy day that stays usable, just not particularly bright, around 26°C.

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Metric (°C, km/h)