Key West, FL

Hourly

2 PM

89° RealFeel® 107° 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 5% Mostly sunny

• RealFeel Shade™: 97°
• Heat Index: 102°
• Wind: SE 7 mph
• Air Quality: Fair
• Max UV Index: 11.1 (Extreme)
• Wind Gusts: 8 mph
• Humidity: 66%
• Indoor Humidity: 66% (Extremely Humid)
• Dew Point: 77° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 33500 ft

3 PM

91° RealFeel® 108° Dangerous Heat RealFeel Guide Dangerous Heat 108° to 115° 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 5% Mostly sunny

• RealFeel Shade™: 99°
• Heat Index: 103°
• Wind: SE 7 mph
• Air Quality: Fair
• Max UV Index: 8.1 (Very High)
• Wind Gusts: 8 mph
• Humidity: 63%
• Indoor Humidity: 63% (Extremely Humid)
• Dew Point: 77° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 28%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 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 6% Partly sunny

• RealFeel Shade™: 97°
• Heat Index: 101°
• Wind: ESE 7 mph
• Air Quality: Fair
• Max UV Index: 4.9 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 65%
• Indoor Humidity: 65% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

89° 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 7% Intermittent clouds

• RealFeel Shade™: 97°
• Heat Index: 101°
• Wind: ESE 6 mph
• Air Quality: Fair
• Max UV Index: 3.0 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 66%
• Indoor Humidity: 66% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 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 7% Intermittent clouds

• RealFeel Shade™: 96°
• Heat Index: 100°
• Wind: E 6 mph
• Air Quality: Fair
• Max UV Index: 1.9 (Low)
• Wind Gusts: 12 mph
• Humidity: 66%
• Indoor Humidity: 66% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 57%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

88° 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 10% Partly sunny

• RealFeel Shade™: 98°
• Heat Index: 99°
• Wind: E 7 mph
• Air Quality: Fair
• Max UV Index: 0.8 (Low)
• Wind Gusts: 13 mph
• Humidity: 68%
• Indoor Humidity: 68% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 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 15% Mostly sunny

• RealFeel Shade™: 96°
• Heat Index: 98°
• Wind: ESE 7 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 13 mph
• Humidity: 70%
• Indoor Humidity: 70% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 15% Mostly clear

• Heat Index: 97°
• Wind: ESE 7 mph
• Air Quality: Fair
• Wind Gusts: 13 mph
• Humidity: 72%
• Indoor Humidity: 72% (Extremely Humid)
• Dew Point: 77° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 24%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 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 19% Intermittent clouds

• Heat Index: 97°
• Wind: ESE 8 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 73%
• Indoor Humidity: 73% (Extremely Humid)
• Dew Point: 77° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 51% Mostly cloudy w/ t-storms

• Heat Index: 98°
• Wind: ESE 8 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 75%
• Indoor Humidity: 75% (Dangerously Humid)
• Dew Point: 78° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft