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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
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Key Biscayne, FL

82°F
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Key Biscayne

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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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July 1 - July 15

Wed 7/1

88° /80°
70%
Partly sunny and humid; a couple of heavy thunderstorms late this afternoon

RealFeel®109°

RealFeel Shade™96°

Max UV Index13.0 (Extreme)

WindENE 6 mph

Hours of Precipitation1

Hours of Rain1

Thu 7/2

87° /81°
66%
Humid with intervals of clouds and sun; a thunderstorm or two in the afternoon

RealFeel®103°

RealFeel Shade™94°

Max UV Index8.0 (Very High)

WindSSE 7 mph

Hours of Precipitation2

Hours of Rain2

Fri 7/3

86° /82°
55%
Humid with intervals of bright sunshine; an afternoon thunderstorm in one or two spots

RealFeel®102°

RealFeel Shade™93°

Max UV Index12.0 (Extreme)

WindSE 7 mph

Hours of Precipitation1

Hours of Rain1

Sat 7/4

87° /81°
84%
Humid with partial sunshine; a brief shower or two in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®103°

RealFeel Shade™94°

Max UV Index13.0 (Extreme)

WindESE 7 mph

Hours of Precipitation1.5

Hours of Rain1.5

Sun 7/5

86° /82°
88%
Sun breaking through clouds at times with a thunderstorm or two; humid

RealFeel®100°

RealFeel Shade™94°

Max UV Index10.0 (Very High)

WindSE 8 mph

Hours of Precipitation2

Hours of Rain2

Mon 7/6

85° /81°
66%
Humid; a thunderstorm or two in the morning, then times of clouds and sun in the afternoon

RealFeel®98°

RealFeel Shade™94°

Max UV Index5.0 (Moderate)

WindESE 9 mph

Hours of Precipitation2

Hours of Rain2

Tue 7/7

88° /83°
55%
Times of clouds and sun with a couple of showers around, mainly late; humid

RealFeel®104°

RealFeel Shade™96°

Max UV Index8.0 (Very High)

WindESE 8 mph

Hours of Precipitation1.5

Hours of Rain1.5

Wed 7/8

89° /81°
60%
A couple of showers in the morning; otherwise, humid with times of clouds and sun

RealFeel®106°

RealFeel Shade™97°

Max UV Index11.0 (Extreme)

WindESE 7 mph

Hours of Precipitation1

Hours of Rain1

Thu 7/9

87° /82°
66%
A couple of showers in the morning; otherwise, partly sunny and humid

RealFeel®103°

RealFeel Shade™96°

Max UV Index12.0 (Extreme)

WindSE 8 mph

Hours of Precipitation1

Hours of Rain1

Fri 7/10

87° /82°
55%
A morning shower in places; otherwise, partly sunny and humid

RealFeel®104°

RealFeel Shade™95°

Max UV Index12.0 (Extreme)

WindSE 8 mph

Hours of Precipitation1

Hours of Rain1

Sat 7/11

88° /84°
55%
Mostly cloudy and humid with a little rain

RealFeel®104°

RealFeel Shade™96°

Max UV Index11.0 (Extreme)

WindSE 7 mph

Hours of Precipitation2

Hours of Rain2

Sun 7/12

90° /83°
4%
Decreasing clouds and humid

RealFeel®104°

RealFeel Shade™98°

Max UV Index12.0 (Extreme)

WindSE 7 mph

Mon 7/13

90° /84°
1%
Mostly sunny and humid

RealFeel®106°

RealFeel Shade™97°

Max UV Index12.0 (Extreme)

WindSE 7 mph

Tue 7/14

89° /81°
25%
Mainly cloudy and humid

RealFeel®104°

RealFeel Shade™98°

Max UV Index5.0 (Moderate)

WindSSE 5 mph

Wed 7/15

92° /81°
20%
Humid with sunshine and some clouds

RealFeel®107°

RealFeel Shade™99°

Max UV Index8.0 (Very High)

WindS 6 mph

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World North America United States Florida Key Biscayne

Weather Near Key Biscayne:

  • Fort Lauderdale, FL
  • Hialeah, FL
  • Miami, FL
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