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Key West, FL

85°F
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Key West, FL Weather
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2 AM

83°
RealFeel® 93°
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 15%
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Clear
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index94°

WindSE 12 mph

Air QualityFair

Wind Gusts14 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33000 ft

3 AM

83°
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 15%
Chevron down
Mostly clear
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index92°

WindSE 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity84%

Indoor Humidity84% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

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 19%
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Clear
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index91°

WindSE 10 mph

Air QualityFair

Wind Gusts15 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

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 51%
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Partly cloudy w/ showers
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index90°

WindSE 10 mph

Air QualityFair

Wind Gusts15 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Rain0.01 in

Visibility6 mi

Cloud Ceiling30000 ft

6 AM

82°
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 47%
Chevron down
Mostly clear
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index89°

WindSE 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

83°
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 40%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

9:12 AM Wednesday - 8:00 AM Friday

Heat Index91°

WindSE 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

84°
RealFeel® 93°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™93°

Heat Index93°

WindSE 10 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

85°
RealFeel® 95°
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 34%
Chevron down
Partly sunny

RealFeel Shade™92°

Heat Index95°

WindSE 12 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts18 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

86°
RealFeel® 98°
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 40%
Chevron down
Mostly sunny

RealFeel Shade™93°

Heat Index97°

WindSSE 12 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts20 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

86°
RealFeel® 97°
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%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™92°

Heat Index99°

WindSSE 12 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts22 mph

Humidity78%

Indoor Humidity78% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

12 PM

87°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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™95°

Heat Index100°

WindSE 12 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts23 mph

Humidity74%

Indoor Humidity74% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover35%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

87°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 40%
Chevron down
Intermittent clouds

RealFeel Shade™95°

Heat Index100°

WindSE 13 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts23 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling19800 ft

2 PM

88°
RealFeel® 100°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™95°

Heat Index100°

WindSE 13 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts24 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

3 PM

89°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 34%
Chevron down
Intermittent clouds

RealFeel Shade™96°

Heat Index102°

WindSE 13 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts24 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

87°
RealFeel® 99°
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 37%
Chevron down
Intermittent clouds

RealFeel Shade™95°

Heat Index100°

WindSE 12 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts24 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling24900 ft

5 PM

87°
RealFeel® 98°
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
Intermittent clouds

RealFeel Shade™94°

Heat Index99°

WindESE 13 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts23 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°
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 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™94°

Heat Index100°

WindESE 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

7 PM

84°
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 47%
Chevron down
Mostly cloudy

RealFeel Shade™94°

Heat Index95°

WindESE 12 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts21 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling14700 ft

8 PM

84°
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 34%
Chevron down
Cloudy

Heat Index95°

WindESE 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7000 ft

9 PM

84°
RealFeel® 95°
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 34%
Chevron down
Cloudy

Heat Index96°

WindESE 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

10 PM

84°
RealFeel® 95°
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 37%
Chevron down
Cloudy

Heat Index96°

WindSE 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling7000 ft

11 PM

84°
RealFeel® 95°
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

Heat Index96°

WindSE 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7000 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 83° with a RealFeel® of 93°, clear with a 15% 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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