South Windsor

Capitol Planning Region, Connecticut, United States

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Current Weather

18°

Clear

Feels Like: 18°

Min: 17°

Max: 26°

The next few hours will be clear, with today reaching 26°C and dropping to 19°C. The coming days will be drizzle

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Hourly Forecast

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Today

Daylight Hours

06:39

Sunrise

18:49

Sunset

12 hours 10 minutes of sunlight today

Moon

Waxing Crescent

13:36

Moonrise

21:26

Moonset

Daily Forecast

Today

17°
26°

Friday

16°
25°

Saturday

11°
20°

Sunday

13°
17°

Monday

13°
19°

Tuesday

11°
18°

Wednesday

10°
19°

Thursday

11°
20°

Friday

14°
18°

Saturday

13°
22°

Air Quality Data Available

Upgrade to access real-time air quality data for South Windsor.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

96% Very Humid
Low High

Weather in South Windsor today, September 17, 2026

Expect a muted, overcast feel in South Windsor on September 17, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 100% around 09:00. Brighter weather, if it comes, waits until later.

Expect highs of 26°C and cooler readings close to 17°C. Relative humidity sits between 69% and 99%, reaching its peak around 06:00. Winds stay light, near 4.0 km/h by 16:00, so the day feels still more than breezy.

Through the afternoon cloud remains the main feature, with cover near 100% around 16:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.2 km, briefly nearer 12.2 km. Daylight runs from 06:39 to 18:49, lasting 12 hours 10 minutes of sunlight today.

In short, cloud leads the story in South Windsor on September 17, 2026; expect limited sun and a peak around 26°C.

Frequently asked questions about weather in South Windsor

How warm does it get in South Windsor?

The warmest month in South Windsor 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 South Windsor?

The coldest month in South Windsor 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 South Windsor?

The wettest month in South Windsor is July, with an average of 128mm of precipitation.

What is the driest time of year in South Windsor?

The driest month in South Windsor is June, with an average of 79mm of precipitation.

View full climate insights for South Windsor →

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Metric (°C, km/h)