Weather forecast for 10 days
Florida Keys Marathon Airport, FL

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
6:34 am

8:17 pm
EDT
Partly Cloudy
86°F / 82°F
  • Wind: 9mph ESE
  • Humidity: 69%
  • Precip. probability: 21%
  • Precipitation: 0"
  • UV index: 11
Tomorrow, sun and clouds will share the sky, creating a partly cloudy day.
Modest temperature shifts from a high of a humid 86°F to a low of a warm 82.4°F are forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a torrid 95°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise will be at 6:34 am and sunset at 8:17 pm; tomorrow's daylight will last for 13h and 43min.

Sunday, Jun 22.

Partly Cloudy
6:34 am

8:17 pm
EDT
Partly Cloudy
86°F / 81°F
  • Wind: 12mph E
  • Humidity: 73%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 11
On Sunday, in Florida Keys Marathon Airport, a pleasant mix of sun and clouds will define the day.
Temperature measurements will peak at a blazing 86°F, with a slight decrease to a low of a temperate 80.6°F.
Sunrise will be at 6:34 am and sunset at 8:17 pm; the daylight will last for 13h and 43min.

Frequently asked questions

What is the weather forecast for Florida Keys Marathon Airport for tomorrow?
On Saturday, partly cloudy skies will persist, making for a mix of sun and clouds.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 82.4°F. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 95°F.
The maximum temperature will be in line with the average highest temperature of°C in. Tomorrow, the lowest temperature will be also in line with the average low temperature.
When is the sunrise / sunset tomorrow?
On Saturday, in Florida Keys Marathon Airport, sunrise will be at 6:34 am and sunset at 8:17 pm (EDT).
How many hours of daylight will Florida Keys Marathon Airport have tomorrow?
In Florida Keys Marathon Airport, the length of the day tomorrow will be 13h and 43min.
What is the weather forecast for Florida Keys Marathon Airport for Sunday?
On Sunday, clouds and sunshine will create a dynamic sky throughout the day.
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 Florida Keys Marathon Airport for the next ten days?
In Florida Keys Marathon Airport, overcast skies are forecasted day to day for the next ten days.
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 range between 80.6°F and 82.4°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 in Florida Keys Marathon Airport?
Today is the hottest day, with a maximum temperature of 87.8°F. All other days, the maximum temperature will be the same 86°F.

Long-term weather forecast

FriJun 20.
  • 88°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph E
  • Humidity: 65%
  • UV index: 11
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:34 am 8:17 pm EDT
SatJun 21.
  • 86°F
  • 82°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph ESE
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:34 am 8:17 pm EDT
SunJun 22.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph E
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:34 am 8:17 pm EDT
MonJun 23.
  • 86°F
  • 82°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:35 am 8:17 pm EDT
TueJun 24.
  • 86°F
  • 81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph E
  • Humidity: 71%
  • UV index: 10
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:35 am 8:18 pm EDT
WedJun 25.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph E
  • Humidity: 74%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:35 am 8:18 pm EDT
ThuJun 26.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph E
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:36 am 8:18 pm EDT
FriJun 27.
  • 86°F
  • 82°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ESE
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:36 am 8:18 pm EDT
SatJun 28.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph ESE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:36 am 8:18 pm EDT
SunJun 29.
  • 86°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph ESE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 18%
  • Precipitation: 0"
  • 6:36 am 8:18 pm EDT
Weather patterns suggest that cloudy skies are forecasted day to day.
Rainfall is not predicted in Florida Keys Marathon Airport in the upcoming days.
The high temperatures are expected to remain largely stable in the upcoming period. Maximum temperatures will fall between 86°F and 87.8°F, while fluctuations in the night’s lowest temperature will be also minimal, as the minimum temperature is expected to range between 80.6°F and 82.4°F.
With a high of 87.8°F, today is the hottest day; all other days, the highest temperature will be 86°F.
Combining with the humidity, the maximum feel-like temperature may increase and vary between a sizzling 95°F and a fiery hot 96.8°F.
Updated: Jun 20, 2025 @ 16:03:06 UTC
Published by: Weather U.S. | About Us
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