Weather forecast for 10 days
Key Biscayne, FL

Weather forecast for the weekend

Saturday, May 24.

Mostly Sunny
6:29 am

8:05 pm
EDT
Mostly Sunny
86°F / 81°F
  • Wind: 11mph E
  • Humidity: 72%
  • Precip. probability: 22%
  • Precipitation: 0"
  • UV index: 11
On Saturday, May 24, mainly sunny conditions will dominate the day.
Slight temperature shifts from a high of a blazing 86°F to a low of a temperate 80.6°F are predicted.
Saturday's high temperature is expected to be a few degrees higher than the typical May peak of 82°F.
Sunrise will be at 6:29 am and sunset at 8:05 pm; the daylight will last for 13h and 35min.

Sunday, May 25.

Mostly Sunny
6:29 am

8:05 pm
EDT
Mostly Sunny
86°F / 81°F
  • Wind: 14mph E
  • Humidity: 68%
  • Precip. probability: 16%
  • Precipitation: 0"
  • UV index: 11
On Sunday, in Key Biscayne, a bright and mostly cloud-free sky is in store.
Temperatures will exhibit minor fluctuations, extending from a high of a hot 86°F to a low of a warm 80.6°F.
The forecasted maximum temperature will be a couple of degrees higher than May's typical high of 82°F.
Sunrise will be at 6:29 am and sunset at 8:05 pm; the daylight will last for 13h and 36min.

Frequently asked questions

What is the weather forecast for Key Biscayne for Saturday?
On Saturday, mainly sunny skies with just a few high clouds are anticipated.
What will be the maximum temperature on Saturday in Key Biscayne?
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, in Key Biscayne, sun-filled skies will remain for most of the day.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature in Key Biscayne 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 dry and sunny, unstable and dull weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rain is forecasted for Friday and next Thursday in Key Biscayne. Next Thursday, with light precipitation of 0.16", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 86°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 95°F and 96.8°F.
What will be the hottest and the coldest days?
With a maximum temperature of 87.8°F, Monday and next Tuesday will be the hottest days. All other days, the maximum temperature will be the same 86°F.

Long-term weather forecast

TueMay 20.
  • min.
  • 79°F
Mostly Clear
Mostly Clear
  • Wind: 14mph S
  • Humidity: 75%
  • UV index: 0
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:31 am 8:03 pm EDT
WedMay 21.
  • 86°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph S
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 10%
  • Precipitation: 0"
  • 6:30 am 8:03 pm EDT
ThuMay 22.
  • 86°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph SE
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 18%
  • Precipitation: 0"
  • 6:30 am 8:04 pm EDT
FriMay 23.
  • 86°F
  • 81°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph S
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 39%
  • Precipitation: 0.12"
  • 6:30 am 8:04 pm EDT
SatMay 24.
  • 86°F
  • 81°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph E
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:29 am 8:05 pm EDT
SunMay 25.
  • 86°F
  • 81°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph E
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:29 am 8:05 pm EDT
MonMay 26.
  • 88°F
  • 81°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph ESE
  • Humidity: 66%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:29 am 8:06 pm EDT
TueMay 27.
  • 88°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph SE
  • Humidity: 66%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:29 am 8:06 pm EDT
WedMay 28.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SE
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:28 am 8:07 pm EDT
ThuMay 29.
  • 86°F
  • 79°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 36%
  • Precipitation: 0.16"
  • 6:28 am 8:07 pm EDT
For the next ten days, a combination of mostly clear, unstable and dull weather is expected.
Rain is predicted for Friday and next Thursday.
Highs will stay within a very narrow margin in the upcoming period. Highs will range from 86°F to 87.8°F, while the overnight low will be also nearly unchanged, as the overnight low will fall between 78.8°F and 80.6°F.
With a maximum temperature of 87.8°F, Monday and next Tuesday will be the hottest days in Key Biscayne; the rest of the days are expected to have a maximum temperature of 86°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase and vary between a sizzling 95°F and a fiery hot 96.8°F.
Updated: May 20, 2025 @ 21:30:16 UTC
Published by: Weather Atlas | About Us
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