Southbury

Naugatuck Valley Planning Region, Connecticut, United States

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Current Weather

20°

Clear

Feels Like: 15°

Min: 12°

Max: 24°

The next few hours will be clear, with tomorrow reaching 25°C and dropping to 10°C. The coming days will be light rain

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Hourly Forecast

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10pm
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8am
9am
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Today
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Daylight Hours

06:40

Sunrise

18:53

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:35

Moonrise

20:55

Moonset

Daily Forecast

Wednesday

12°
24°

Today

12°
25°

Friday

10°
23°

Saturday

12°
27°

Sunday

14°
28°

Monday

14°
29°

Tuesday

15°
27°

Wednesday

13°
26°

Thursday

13°
20°

Friday

13°
17°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

88% Humid
Low High

Weather in Southbury tomorrow, September 17, 2026

Expect a mostly clear day in Southbury on September 17, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 100% around 10:00. Brighter weather, if it comes, waits until later.

The day peaks near 25°C and cools toward 12°C. Relative humidity sits between 32% and 100%, reaching its peak around 06:00. Winds stay light, near 2.2 km/h by 20:00, so the day feels still more than breezy.

Later hours favour clearer intervals, as cloud stays near 50% around 19:00. The afternoon is the better half for outdoor time. Visibility holds near 14.4 km, though it can fall to 12.2 km. Daylight runs from 06:41 to 18:51, lasting 12 hours 9 minutes of sunlight today.

Overall, Southbury on September 17, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 25°C.

Frequently asked questions about weather in Southbury

How warm does it get in Southbury?

The warmest month in Southbury is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Southbury?

The coldest month in Southbury is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.

What is the wettest time of year in Southbury?

The wettest month in Southbury is July, with an average of 130mm of precipitation.

What is the driest time of year in Southbury?

The driest month in Southbury is November, with an average of 88mm of precipitation.

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Metric (°C, km/h)