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Key Biscayne, FL

87°F
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Key Biscayne

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87°
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Key Biscayne, FL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, August 21

Current Weather

5:39 PM

87°F
Partly sunny
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
RealFeel Shade™ 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
RealFeel®
95°
RealFeel Shade™
93°
Heat Index
98°
Max UV Index
1.5 (Low)
Wind
SE 8 mph
Wind Gusts
11 mph
Humidity
72%
Indoor Humidity
72% (Extremely Humid)
Dew Point
77° F
Pressure
↔ 30.02 in
Cloud Cover
31%
Visibility
11 mi
Cloud Ceiling
40000 ft

Day

8/21
88°Hi
RealFeel® 106°
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
RealFeel Shade™ 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
Humid with more sun than clouds; a shower in spots this morning, then a thunderstorm late this afternoon
alerts

Heat Advisory

11:00 AM Friday - 6:00 PM Friday

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindS 7 mph

Wind Gusts21 mph

Probability of Precipitation70%

Probability of Thunderstorms55%

Precipitation0.15 in

Rain Amount0.15 in

Total Hours of Precipitation2

Total Hours of Rain2

Cloud Cover34%

Morning

Afternoon

Night

8/21
83°Lo
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
Partly cloudy and humid

WindSSE 7 mph

Wind Gusts9 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover41%

Evening

Overnight

Sun & Moon

12 hrs 55 mins
Rise 6:56 AM
Set 7:51 PM
Waxing Gibbous
Rise 3:23 PM
Set 1:44 AM

Temperature History

8/21
High
Low
Forecast
88°
83°
Average
91°
78°
Last Year
92°
76°
Record
97°
1993
71°
1957

Current Weather Conditions in Key Biscayne

Key Biscayne, Florida is currently Partly sunny with a temperature of 87°. The current RealFeel® Temperature is 95° (Hot) based on observed conditions including 72% humidity, 31% cloud cover, a UV index of 2, and winds of 8 mph. In shade, the RealFeel Shade™ is 93°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Key Biscayne, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

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