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

87°F

31°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 25 Jun 10:56 am EDT
Extended Forecast for

Callahan FL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 96 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Southeast wind 5 to 8 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 95. Chance of precipitation is 70%.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 96. Heat index values as high as 103. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Southeast wind 5 to 8 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the morning.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 30%.
Saturday
Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 76.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 95. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Wednesday
A 30 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:
2:21 am EDT Jun 25, 2026
Forecast Valid:
11am EDT Jun 25, 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