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

Apalachicola, Apalachicola (KAAF)

Lat: 29.73°NLon: 85.02°WElev: 20ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Sep 11:53 pm EDT
Extended Forecast for

Port St. Joe FL

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Heat index values as high as 102. Northeast wind around 5 mph becoming southwest in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Northeast wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Calm wind becoming east northeast around 5 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Saturday
Mostly sunny, with a high near 91. Heat index values as high as 102. Northeast wind around 5 mph becoming southwest in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 20%.
Sunday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Northeast wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Calm wind becoming east northeast around 5 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. Breezy.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port St. Joe FL
 29.79°N 85.29°W (Elev. 10 ft)
Last Update:
11:15 pm CDT Sep 18, 2026
Forecast Valid:
11pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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