Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast. Chevron right
Heat to precede another wet weekend in the East. Click for the forecast. Chevron right

Old Greenwich, CT

66°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Old Greenwich

Connecticut

66°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Old Greenwich, CT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Wednesday, September 30

Day

9/30
73°Hi
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Nice with times of sun and clouds

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™8 (Bright)

WindW 6 mph

Wind Gusts9 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover50%

Morning

Afternoon

Night

9/30
63°Lo
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Increasing clouds

WindSSW 6 mph

Wind Gusts6 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover60%

Evening

Overnight

Sun & Moon

11 hrs 49 mins
Rise 6:49 AM
Set 6:38 PM
Waning Gibbous
Rise 8:40 PM
Set 12:46 PM

Temperature History

9/30
High
Low
Forecast
73°
63°
Average
69°
51°
Last Year
80°
60°
Record
84°
1986
34°
1991

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Triple threat flood threat in the central US fueled by hurricanes

3 hours ago

Weather News

Water rescues underway as Pacific hurricane moisture floods Southwest

2 hours ago

Weather News

3 days of weather chaos: Nor’easter, hurricanes and a ‘zombie storm’

10 hours ago

Weather Forecasts

The East’s hottest weather for rest of 2026 to precede wet weekend

3 hours ago

Hurricane

A 121-year-old Atlantic hurricane record could be broken in October

4 hours ago

 More Stories

Featured Stories

Weather News

About 200 sea turtle eggs moved from California nests ahead of Polo

9 hours ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

1 day ago

Climate

What are Kelvin waves, and what do they mean for El Niño?

8 hours ago

Weather News

4 dead, 12 missing after Nepal avalanche

1 day ago

Weather News

The newest pandas in the US have arrived in Atlanta. What we know abou...

1 day ago
World North America United States Connecticut Old Greenwich

Weather Near Old Greenwich:

  • 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 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 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

...

...

...