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

Hazardous Weather Conditions

Current conditions at

Orlando / Sanford Airport (KSFB)

Lat: 28.78°NLon: 81.25°WElev: 56ft.

Fair

84°F

29°C

Humidity 77%
Wind Speed W 8 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Aug 8:53 am EDT
Extended Forecast for

Casselberry FL

Heat Advisory August 13, 10:00am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. West wind around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.

    High: 96 °F

    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. Mostly clear, with a low around 77. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78. East southeast wind around 5 mph becoming south after midnight.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. West wind around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78. East southeast wind around 5 mph becoming calm.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. West northwest wind around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. West wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 77. South wind around 5 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78. East southeast wind around 5 mph becoming south after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. West wind around 5 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78. East southeast wind around 5 mph becoming calm.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. West northwest wind around 5 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. West wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96. West wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. West southwest wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95. West southwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casselberry FL
 28.69°N 81.34°W (Elev. 72 ft)
Last Update:
9:40 am EDT Aug 13, 2026
Forecast Valid:
9am EDT Aug 13, 2026-6pm EDT Aug 19, 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