Weather forecast for 10 days
Siesta Key, FL

Weather forecast for the weekend

Saturday, May 17.

Partly Cloudy
6:39 am

8:14 pm
EDT
Partly Cloudy
86°F / 75°F
  • Wind: 12mph WSW
  • Humidity: 74%
  • Precip. probability: 12%
  • Precipitation: 0"
  • UV index: 11
On Saturday, May 17, high-altitude clouds may scatter across the sky, but the sun will still shine.
The expected temperature range extends from a high of a tropical 86°F to a low of a temperate 75.2°F.
Saturday's high temperature will mirror the usual May maximum of 84.2°F.
Sunrise will be at 6:39 am and sunset at 8:14 pm; the daylight will last for 13h and 35min.

Sunday, May 18.

Sunny
6:38 am

8:14 pm
EDT
Sunny
86°F / 75°F
  • Wind: 12mph W
  • Humidity: 74%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 11
On Sunday, May 18, expect bright skies and plenty of sunshine.
The maximum forecasted temperature is a hot 86°F, while the minimum temperature will be a temperate 75.2°F.
The high temperature is forecasted to match May's standard maximum of 84.2°F.
Sunrise will be at 6:38 am and sunset at 8:14 pm; the daylight will last for 13h and 36min.

Frequently asked questions

What is the weather forecast for Siesta Key for Saturday?
On Saturday, thin clouds will pass through at times, but overall, it will remain bright.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 86°F, while the lowest temperature will be 75.2°F.
What is the weather forecast for Siesta Key for Sunday?
On Sunday, skies are expected to be clear and full of sunshine.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 86°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Siesta Key for the next ten days?
In Siesta Key, a combination of dry and sunny and cloudy weather is anticipated for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will range between 86°F and 87.8°F, while the minimum temperature will vary between 71.6°F and 78.8°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 95°F and 102.2°F.
What will be the hottest and the coldest days?
With a maximum temperature of 87.8°F, Monday through next Wednesday and Friday will be the hottest days. All other days, the maximum temperature will be the same 86°F.

Long-term weather forecast

WedMay 14.
  • min.
  • 72°F
Clear
Clear
  • Wind: 9mph NNW
  • Humidity: 79%
  • UV index: 0
  • Precip. probability: 13%
  • Precipitation: 0"
  • 6:40 am 8:12 pm EDT
ThuMay 15.
  • 86°F
  • 73°F
Sunny
Sunny
  • Wind: 11mph SSW
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 14%
  • Precipitation: 0"
  • 6:40 am 8:12 pm EDT
FriMay 16.
  • 86°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:39 am 8:13 pm EDT
SatMay 17.
  • 86°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 74%
  • UV index: 11
  • Precip. probability: 12%
  • Precipitation: 0"
  • 6:39 am 8:14 pm EDT
SunMay 18.
  • 86°F
  • 75°F
Sunny
Sunny
  • Wind: 12mph W
  • Humidity: 74%
  • UV index: 11
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:38 am 8:14 pm EDT
MonMay 19.
  • 88°F
  • 77°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SW
  • Humidity: 74%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:38 am 8:15 pm EDT
TueMay 20.
  • 88°F
  • 77°F
Sunny
Sunny
  • Wind: 13mph SSW
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:37 am 8:15 pm EDT
WedMay 21.
  • 88°F
  • 79°F
Sunny
Sunny
  • Wind: 12mph SW
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:37 am 8:16 pm EDT
ThuMay 22.
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph WSW
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 16%
  • Precipitation: 0"
  • 6:37 am 8:16 pm EDT
FriMay 23.
  • 88°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph WNW
  • Humidity: 65%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:36 am 8:17 pm EDT
For the coming ten days, a combination of mostly clear and overcast weather is predicted.
Rainfall is not anticipated in Siesta Key in the upcoming days.
The high temperatures are expected to remain largely stable throughout the coming week. Maximum temperatures will fall between 86°F and 87.8°F, while nighttime temperatures are expected to vary from 71.6°F to 78.8°F.
Monday through next Wednesday and Friday, with the highest temperature of 87.8°F, will be the hottest days in Siesta Key; all other days, the highest temperature will be 86°F.
Including the humidity's impact, the maximum feel-like temperature may increase greatly and vary between a fiery hot 95°F and a sweltering 102.2°F.
Updated: May 14, 2025 @ 23:15:01 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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