New Canaan

Western Connecticut Planning Region, Connecticut, United States

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Current Weather

14°

Clear

Feels Like: 14°

Min: 13°

Max: 24°

The next few hours will be clear, with today reaching 24°C and dropping to 18°C. The coming days will be mostly cloudy

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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

12:35

Moonrise

20:57

Moonset

Daily Forecast

Today

13°
24°

Thursday

18°
26°

Friday

16°
25°

Saturday

12°
19°

Sunday

14°
19°

Monday

15°
20°

Tuesday

14°
20°

Wednesday

14°
20°

Thursday

14°
22°

Friday

14°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

94% Very Humid
Low High

Weather in New Canaan today, September 16, 2026

New Canaan stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Cloud leads the morning, peaking close to 83% near 09:00. Sunshine has little room until later in the day.

Expect highs of 24°C and cooler readings close to 13°C. Relative humidity sits between 70% and 96%, reaching its peak around 04:00. Airflow remains manageable, reaching about 3.2 km/h around 12:00.

Afternoon skies stay clogged, peaking close to 100% near 15:00. The grey theme continues rather than clearing out. Visibility holds near 15.6 km, though it can fall to 13.3 km. The sun rises at 06:41 and sets at 18:54, for a total of 12 hours 12 minutes of sunlight today.

In short, cloud leads the story in New Canaan on September 16, 2026; expect limited sun and a peak around 24°C.

Frequently asked questions about weather in New Canaan

How warm does it get in New Canaan?

The warmest month in New Canaan is July, with average high temperatures of 29°C. The average temperature during this period is around 25°C.

How cold does it get in New Canaan?

The coldest month in New Canaan is January, with average low temperatures of -3°C. The average temperature during this period is around 0°C.

What is the wettest time of year in New Canaan?

The wettest month in New Canaan is October, with an average of 124mm of precipitation.

What is the driest time of year in New Canaan?

The driest month in New Canaan is June, with an average of 83mm of precipitation.

View full climate insights for New Canaan →

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Metric (°C, km/h)