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Severe storms with damaging winds to focus on central, eastern US. Click for the forecast. Chevron right

Greenwich, CT

88°F
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Greenwich

Connecticut

88°
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Greenwich, CT Weather
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12 PM

90°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 5%
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Mostly sunny

RealFeel Shade™87°

Heat Index91°

WindW 12 mph

Air QualityFair

Max UV Index8.9 (Very High)

Wind Gusts18 mph

Humidity42%

Indoor Humidity42% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

91°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 8%
Chevron down
Mostly sunny

RealFeel Shade™88°

Heat Index92°

WindW 12 mph

Air QualityFair

Max UV Index9.8 (Very High)

Wind Gusts18 mph

Humidity40%

Indoor Humidity40% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
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Partly sunny w/ t-storms

RealFeel Shade™85°

Heat Index92°

WindW 12 mph

Air QualityFair

Max UV Index8.9 (Very High)

Wind Gusts20 mph

Humidity46%

Indoor Humidity46% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Rain0.06 in

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

87°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny

RealFeel Shade™86°

Heat Index90°

WindWNW 12 mph

Air QualityFair

Max UV Index6.8 (High)

Wind Gusts21 mph

Humidity49%

Indoor Humidity49% (Humid)

Dew Point66° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling29900 ft

4 PM

85°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 35%
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Intermittent clouds

RealFeel Shade™84°

Heat Index88°

WindWNW 12 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts20 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling14600 ft

5 PM

83°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™82°

Heat Index86°

WindWNW 12 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts18 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling14600 ft

6 PM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Mostly cloudy

RealFeel Shade™79°

Heat Index83°

WindNW 12 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts17 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point66° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling12000 ft

7 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
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Cloudy

RealFeel Shade™77°

WindNW 12 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts15 mph

Humidity64%

Indoor Humidity64% (Humid)

Dew Point65° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling9500 ft

8 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™77°

WindNW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

76°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindNW 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity70%

Indoor Humidity70% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling7100 ft

10 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Cloudy

WindNW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

WindWNW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 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 90° with a RealFeel® of 94°, mostly sunny with a 5% 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.

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