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Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast. Chevron right

Key West, FL

81°F
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Key West

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81°
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Key West, FL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 AM

80°
RealFeel® 87°
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 45%
Chevron down
Mostly cloudy w/ showers
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

Heat Index84°

WindSE 2 mph

Air QualityPoor

Wind Gusts4 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling14000 ft

6 AM

78°
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 40%
Chevron down
Partly cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

Heat Index80°

WindE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

80°
RealFeel® 86°
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%
Chevron down
Intermittent clouds
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

Heat Index84°

WindENE 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling19800 ft

8 AM

81°
RealFeel® 87°
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 34%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™87°

Heat Index85°

WindESE 6 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts7 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling9300 ft

9 AM

81°
RealFeel® 87°
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 34%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™87°

Heat Index86°

WindE 7 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts8 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling11100 ft

10 AM

81°
RealFeel® 89°
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 37%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™87°

Heat Index87°

WindESE 7 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling12900 ft

11 AM

82°
RealFeel® 91°
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 43%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™88°

Heat Index88°

WindESE 8 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts12 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling14700 ft

12 PM

82°
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
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™87°

Heat Index88°

WindESE 8 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts12 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling14600 ft

1 PM

80°
RealFeel® 86°
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 51%
Chevron down
Thunderstorms
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™84°

Heat Index86°

WindESE 8 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts13 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

2 PM

81°
RealFeel® 90°
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 49%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™86°

Heat Index86°

WindE 9 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts13 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14500 ft

3 PM

83°
RealFeel® 91°
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 49%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™89°

Heat Index90°

WindENE 8 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts14 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10900 ft

4 PM

81°
RealFeel® 86°
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 59%
Chevron down
Thunderstorms
alerts

Coastal Flood Advisory

1:22 PM Sunday - 5:00 PM Tuesday

RealFeel Shade™86°

Heat Index87°

WindNE 8 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts15 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.14 in

Visibility4 mi

Cloud Ceiling2000 ft

5 PM

81°
RealFeel® 83°
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 66%
Chevron down
Thunderstorms

RealFeel Shade™83°

Heat Index86°

WindNNE 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts16 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Rain0.14 in

Visibility4 mi

Cloud Ceiling2000 ft

6 PM

81°
RealFeel® 87°
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 49%
Chevron down
Cloudy

RealFeel Shade™87°

Heat Index86°

WindNE 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts17 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling7300 ft

7 PM

81°
RealFeel® 87°
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 39%
Chevron down
Cloudy

RealFeel Shade™87°

Heat Index87°

WindENE 8 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts18 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling11000 ft

8 PM

81°
RealFeel® 87°
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 20%
Chevron down
Cloudy

Heat Index86°

WindENE 8 mph

Air QualityPoor

Wind Gusts18 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

81°
RealFeel® 87°
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 20%
Chevron down
Cloudy

Heat Index87°

WindE 8 mph

Air QualityPoor

Wind Gusts17 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling18100 ft

10 PM

82°
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 20%
Chevron down
Cloudy

Heat Index88°

WindE 8 mph

Air QualityPoor

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling21500 ft

11 PM

82°
RealFeel® 89°
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 20%
Chevron down
Cloudy

Heat Index89°

WindESE 9 mph

Air QualityPoor

Wind Gusts15 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling24900 ft

Hourly Weather Forecast for Key West

AccuWeather's hourly forecast for Key West provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 80° with a RealFeel® of 87°, mostly cloudy w/ showers with a 45% 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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World North America United States Florida Key West

Weather Near Key West:

  • Fort Lauderdale, FL
  • Hialeah, FL
  • Miami, FL
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