National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sarasota / Bradenton, Sarasota-Bradenton International Airport (KSRQ)

Lat: 27.4°NLon: 82.56°WElev: 30ft.

A Few Clouds

85°F

29°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Aug 1:53 am EDT
Extended Forecast for

Siesta Key FL

Heat Advisory August 18, 11:00am until August 18, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 79. West northwest wind around 7 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Heat index values as high as 108. Breezy, with a west northwest wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80. West northwest wind 9 to 11 mph.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 92. Heat index values as high as 110. Breezy, with a west northwest wind 9 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 79. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly sunny, with a high near 91. West northwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 78. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    T-storms

  • Friday

    Friday: Isolated showers and thunderstorms. Mostly sunny, with a high near 90. West southwest wind 5 to 11 mph. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms after 2am. Partly cloudy, with a low around 78. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Partly Cloudy
    then Isolated
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 79. West northwest wind around 7 mph.
Tuesday
Sunny, with a high near 92. Heat index values as high as 108. Breezy, with a west northwest wind 8 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 80. West northwest wind 9 to 11 mph.
Wednesday
Scattered showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 92. Heat index values as high as 110. Breezy, with a west northwest wind 9 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 79. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Mostly sunny, with a high near 91. West northwest wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 78. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Mostly sunny, with a high near 90. West southwest wind 5 to 11 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms after 2am. Partly cloudy, with a low around 78. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
Scattered showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
Sunday
Scattered showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 10%.
Monday
Isolated showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Siesta Key FL
 27.28°N 82.55°W (Elev. 3 ft)
Last Update:
2:21 am EDT Aug 18, 2026
Forecast Valid:
2am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation