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

Hazardous Weather Conditions

Current conditions at

Apalachicola, Apalachicola (KAAF)

Lat: 29.73°NLon: 85.02°WElev: 20ft.

Mostly Cloudy

86°F

30°C

Humidity 67%
Wind Speed S 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Aug 11:53 am EDT
Extended Forecast for

Port St. Joe 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

  • Today

    High: 90 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. West northwest wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 106. North northeast wind 5 to 10 mph becoming west southwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. West southwest wind around 5 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 90. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then a slight chance of showers. Mostly sunny, with a high near 90. Heat index values as high as 106. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. West northwest wind 5 to 10 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 106. North northeast wind 5 to 10 mph becoming west southwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. West southwest wind around 5 mph. Chance of precipitation is 50%.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 90. West wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 92.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port St. Joe FL
 29.79°N 85.29°W (Elev. 10 ft)
Last Update:
9:15 am CDT Aug 20, 2026
Forecast Valid:
11am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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