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

Hazardous Weather Conditions

Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Showers in Vicinity

93°F

34°C

Humidity 67%
Wind Speed E 13 mph
Barometer 29.99 in
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index113°F (45°C)
Last update 20 Aug 2:47 pm EDT
Extended Forecast for

Hutchinson Island South FL

Heat Advisory until August 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 20, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. South southwest wind around 5 mph.

    Low: 81 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. South southwest wind around 10 mph.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. South southwest wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 80. South wind around 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. South southwest wind around 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph becoming south southeast in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 80. South wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80. South wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 5 to 10 mph becoming east southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. South southeast wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. East southeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hutchinson Island South FL
 27.3°N 80.2°W (Elev. 0 ft)
Last Update:
2:40 pm EDT Aug 20, 2026
Forecast Valid:
3pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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