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

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Mostly Cloudy

77°F

25°C

Humidity 88%
Wind Speed Calm
Barometer 30.03 in (1016.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jun 10:56 pm EDT
Extended Forecast for

Callahan FL

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 75. Southeast wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 100. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.

    High: 95 °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 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 75. Southeast wind around 6 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 100. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. South wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Callahan FL
 30.56°N 81.83°W
Last Update:
11:16 pm EDT Jun 24, 2026
Forecast Valid:
11pm EDT Jun 24, 2026-6pm EDT Jul 1, 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