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Flood in a drought: Heavy rain to drench southern US into the weekend. See the forecast. Chevron right

Key West, FL

86°F
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Key West

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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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2 PM

90°
RealFeel® 103°
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%
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Mostly cloudy

RealFeel Shade™97°

Heat Index101°

WindWSW 5 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts6 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling2800 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
Cloudy

RealFeel Shade™96°

Heat Index100°

WindNNE 7 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts8 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling4800 ft

4 PM

88°
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
Cloudy

RealFeel Shade™96°

Heat Index99°

WindENE 7 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts8 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling5900 ft

5 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 43%
Chevron down
Cloudy

RealFeel Shade™97°

Heat Index98°

WindENE 7 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts8 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

87°
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 47%
Chevron down
Cloudy

RealFeel Shade™96°

Heat Index97°

WindENE 7 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling9600 ft

7 PM

86°
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 51%
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Thunderstorms

RealFeel Shade™93°

Heat Index96°

WindNE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

8 PM

88°
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 39%
Chevron down
Cloudy

RealFeel Shade™97°

Heat Index99°

WindNNE 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

88°
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 33%
Chevron down
Cloudy

Heat Index98°

WindNNE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

87°
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 37%
Chevron down
Cloudy

Heat Index97°

WindNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

86°
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 41%
Chevron down
Showers

Heat Index96°

WindENE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

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 90° with a RealFeel® of 103°, mostly cloudy with a 34% 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
  • Miami, FL
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