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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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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 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.

0%

Partly sunny

RealFeel Shade™94°

Heat Index97°

WindSSW 8 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts14 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling33300 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.

0%

Partly sunny

RealFeel Shade™93°

Heat Index95°

WindWSW 6 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts14 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 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.

0%

Mostly sunny

RealFeel Shade™93°

Heat Index95°

WindWSW 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts12 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°

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.

1%

Mostly sunny

RealFeel Shade™95°

Heat Index95°

WindW 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°

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.

4%

Mostly sunny

RealFeel Shade™95°

Heat Index96°

WindWNW 5 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 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.

4%

Mostly clear

Heat Index95°

WindNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

85°

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.

4%

Mostly clear

Heat Index94°

WindN 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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.

4%

Mostly clear

Heat Index92°

WindNNE 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

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 87° with a RealFeel® of 100°, partly sunny with a 0% 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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