Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
LIVE: At least 4 dead as Isaias leaves widespread damage. Follow team coverage. Chevron right
Isaias racing along in U.S. with rain, gusty winds and tornado risk. Click for the latest. Chevron right

Greenwich, CT

52°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Greenwich

Connecticut

52°
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
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 Local Isaias Tracker

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right
Local Hurricane Tracker
Isaias
Sun, 10/11, 3:00 PM - Mon, 10/12, 8:00 AM

4 AM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

WindENE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity83%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

WindENE 5 mph

Air QualityPoor

Wind Gusts7 mph

Humidity83%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

WindE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity83%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 4%
Chevron down
Mostly cloudy

WindE 8 mph

Air QualityPoor

Wind Gusts8 mph

Humidity83%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling26600 ft

8 AM

58°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Cloudy

RealFeel Shade™54°

WindESE 9 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity83%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling24800 ft

9 AM

59°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Cloudy

RealFeel Shade™55°

WindESE 10 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity83%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling17800 ft

10 AM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Cloudy

RealFeel Shade™56°

WindESE 12 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts18 mph

Humidity82%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling10700 ft

11 AM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Cloudy

RealFeel Shade™56°

WindSE 13 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts20 mph

Humidity81%

Indoor Humidity62% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3700 ft

12 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Cloudy

RealFeel Shade™56°

WindSE 14 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts20 mph

Humidity81%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3100 ft

1 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

RealFeel Shade™55°

WindSE 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts21 mph

Humidity87%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2500 ft

2 PM

60°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™63°

WindSE 2 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts2 mph

Humidity91%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

3 PM

59°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 71%
Chevron down
Rain

RealFeel Shade™58°

WindSE 2 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts2 mph

Humidity94%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.15 in

Visibility4 mi

Cloud Ceiling1700 ft

4 PM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 71%
Chevron down
Rain

RealFeel Shade™57°

WindESE 2 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts2 mph

Humidity97%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.15 in

Visibility4 mi

Cloud Ceiling1400 ft

5 PM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 76%
Chevron down
Rain

RealFeel Shade™57°

WindESE 2 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts4 mph

Humidity98%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.15 in

Visibility4 mi

Cloud Ceiling1100 ft

6 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 76%
Chevron down
Rain

RealFeel Shade™56°

WindESE 2 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts4 mph

Humidity98%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.15 in

Visibility4 mi

Cloud Ceiling900 ft

7 PM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindESE 2 mph

Air QualityFair

Wind Gusts4 mph

Humidity98%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling700 ft

8 PM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindENE 2 mph

Air QualityFair

Wind Gusts4 mph

Humidity98%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling500 ft

9 PM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity99%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling500 ft

10 PM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity99%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling500 ft

11 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 73%
Chevron down
Thunderstorms

WindE 4 mph

Air QualityFair

Wind Gusts6 mph

Humidity100%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.14 in

Visibility4 mi

Cloud Ceiling500 ft

Hourly Weather Forecast for Greenwich

AccuWeather's hourly forecast for Greenwich provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 56° with a RealFeel® of 55°, mostly cloudy with a 6% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Live Blog

LIVE: Isaias drenches Southeast after landfall, power outages mount

LATEST ENTRY

Boil water notices remain after Isaias disrupts water service

4 hours ago

Hurricane

Isaias to sweep from central to northeastern US this weekend

11 hours ago

Hurricane

Rachel to drench southwestern US; flash flooding to threaten lives

11 hours ago

Hurricane

Hurricane Simon to bring destructive winds, flooding to Mexico

12 hours ago

Severe Weather

Isaias may spin up tornadoes as it tracks across the Southeast

11 hours ago

 More Stories

Featured Stories

Hurricane

Isaias to sweep from central to northeastern US this weekend

11 hours ago

Winter Weather

Winter forecast 2026-2027: El Niño to reshape snow, cold across US

2 days ago

Hurricane

Isaias breaks 121-year record as the Atlantic's latest first hurricane

1 day ago

Weather News

Saturday brings prime fall foliage viewing in the East ahead of Isaias

3 days ago

Astronomy

Jupiter disappeared behind the moon in an eclipse-like event

4 days ago
World North America United States Connecticut Greenwich

Weather Near 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

...

...

...