Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Next cold wave could set stage for snowstorm in East. Get the forecast. Chevron right

Cos Cob, CT

32°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cos Cob

Connecticut

32°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Cos Cob, CT Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Saturday, February 21

Day

2/21
36°Hi
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Snow, sleet, and freezing rain in the morning; cloudy and windy

Max UV Index1.0 (Low)

WindN 24 mph

Wind Gusts35 mph

Probability of Precipitation75%

Probability of Thunderstorms0%

Precipitation0.10 in

Snow0.52 in

Ice0.07 in

Hours of Precipitation4

Cloud Cover96%

Night

2/21
15°Lo
RealFeel® -2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Becoming clear and cold

WindNW 15 mph

Wind Gusts25 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover48%

Sun & Moon

10 hrs 55 mins
Rise 6:41 AM
Set 5:36 PM
Waxing Crescent
Rise 8:27 AM
Set 10:39 PM

Temperature History

2/21
High
Low
Forecast
36°
15°
Average
41°
25°
Last Year
33°
19°
Record
77°
2018
2°
2015

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Los Angeles wildfires one year later: rebuilding after $275B loss

20 hours ago

Weather Forecasts

Springlike warmth in East to be replaced by cold air, snowstorm risk

1 hour ago

Winter Weather

Alaska braces for new storms after extreme snowfall

16 hours ago

Winter Weather

Heavy snow, travel problems to expand from Cascades to interior West

1 hour ago

Severe Weather

Snow, flooding and severe weather to unfold in central, eastern US

12 hours ago

 More Stories

Featured Stories

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

1 day ago

Climate

Climate risk reshaping homeownership decisions, study finds

15 hours ago
Live Blog

A Paris snowman at the Eiffel Tower

LATEST ENTRY

Snowman appears at Eiffel Tower after Paris Snowfall

1 day ago

Severe Weather

Top 5 tornado states in 2025

2 days ago

Astronomy

January quietly brings a big change to daylight across the US

15 hours ago
World North America United States Connecticut Cos Cob

Weather Near Cos Cob:

  • Bridgeport, CT
  • New York, NY
  • Newark, NJ
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...