Weather forecast for 10 days
Key Biscayne, FL

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
6:28 am

8:16 pm
EDT
Partly Cloudy
86°F / 81°F
  • Wind: 11mph ESE
  • Humidity: 69%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 11
On Saturday, June 21, moderate cloud cover will mix with sunshine throughout the day.
A modest fluctuation in temperature is predicted, achieving a maximum of a blazing 86°F and dipping to a minimum of a warm 80.6°F.
The temperature will be in line with June's average maximum of 84.7°F.
Sunrise will be at 6:28 am and sunset at 8:16 pm; the daylight will last for 13h and 47min.

Sunday, Jun 22.

Isolated Thunderstorms
6:29 am

8:16 pm
EDT
Isolated Thunderstorms
86°F / 81°F
  • Wind: 14mph E
  • Humidity: 70%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • UV index: 11
On Sunday, in Key Biscayne, isolated strong thunderstorms may occur in some regions.
Minimal precipitation is expected. A mild temperature range, peaking at a tropical 86°F and bottoming out at a temperate 80.6°F, is anticipated.
Expect temperatures to reach June's average high of 84.7°F.
Sunrise will be at 6:29 am and sunset at 8:16 pm; the daylight will last for 13h and 47min.

Frequently asked questions

What is the weather forecast for Key Biscayne for Saturday?
On Saturday, the sky will feature a blend of clouds and sunshine.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 86°F, while the lowest temperature will be 80.6°F.
What is the weather forecast for Key Biscayne for Sunday?
On Sunday, spotty thunderstorms are forecasted, mainly in the afternoon.
Will it rain on Sunday?
On Sunday, there is a low probability of minimal rainfall in Key Biscayne.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 86°F, while the minimum temperature will be 80.6°F.
What is the weather forecast for Key Biscayne for the next ten days?
In Key Biscayne, a combination of cloudy and turbulent weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Sunday, Tuesday through next Friday in Key Biscayne. Wednesday, with light precipitation of 0.35", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 84.2°F and 87.8°F, while the minimum temperature will be between 78.8°F and 80.6°F.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 91.4°F and 100.4°F.
What will be the hottest and the coldest days?
Today is the hottest day, with a maximum temperature of 87.8°F. The coldest days will be Thursday, Friday and next Thursday, with a maximum of 84.2°F.

Long-term weather forecast

WedJun 18.
  • 88°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph ESE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 9%
  • Precipitation: 0.35"
  • 6:28 am 8:15 pm EDT
ThuJun 19.
  • 84°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ESE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:28 am 8:15 pm EDT
FriJun 20.
  • 84°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph E
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:28 am 8:15 pm EDT
SatJun 21.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ESE
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:28 am 8:16 pm EDT
SunJun 22.
  • 86°F
  • 81°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 14mph E
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • 6:29 am 8:16 pm EDT
MonJun 23.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 15mph E
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:29 am 8:16 pm EDT
TueJun 24.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph E
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 6:29 am 8:16 pm EDT
WedJun 25.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 6:30 am 8:16 pm EDT
ThuJun 26.
  • 84°F
  • 81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph ESE
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 47%
  • Precipitation: 0.2"
  • 6:30 am 8:16 pm EDT
FriJun 27.
  • 86°F
  • 81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph ESE
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 47%
  • Precipitation: 0.24"
  • 6:30 am 8:17 pm EDT
Conditions over the next ten days suggest that a combination of dull and stormy weather is anticipated.
Rainfall is anticipated on Sunday, Tuesday through next Friday.
The variation in maximum temperature will be negligible throughout the coming week. Highs will range from 84.2°F to 87.8°F, while fluctuations in the night’s lowest temperature will be also minimal, as night temperatures will lie between 78.8°F and 80.6°F.
Today is the hottest day, with a maximum temperature of 87.8°F; with a maximum temperature of 84.2°F, Thursday, Friday and next Thursday will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between a tropical 91.4°F and a very hot 100.4°F.
Updated: Jun 18, 2025 @ 17:57:01 UTC
Published by: Weather U.S. | About Us
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