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Severe weather returns to central US this weekend with flood potential | Click to see the impacts. Chevron right
Torrential rain in Arthur's wake could lead to more flooding. Click for the forecast. Chevron right

Key West, FL

88°F
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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 PM

89°
RealFeel® 104°
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 19%
Chevron down
Partly sunny

RealFeel Shade™98°

Heat Index103°

WindSE 6 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts12 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling33000 ft

6 PM

88°
RealFeel® 102°
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 19%
Chevron down
Partly sunny

RealFeel Shade™97°

Heat Index101°

WindESE 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity71% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
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 13%
Chevron down
Intermittent clouds

RealFeel Shade™100°

Heat Index100°

WindE 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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 2%
Chevron down
Mostly sunny

RealFeel Shade™97°

Heat Index98°

WindE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
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 2%
Chevron down
Mostly clear

Heat Index97°

WindE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

86°
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 2%
Chevron down
Mostly clear

Heat Index96°

WindE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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 2%
Chevron down
Mostly clear

Heat Index96°

WindE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 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 89° with a RealFeel® of 104°, partly sunny with a 19% 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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Weather Near Key West:

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  • Hialeah, FL
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