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

Orlando / Sanford Airport (KSFB)

Lat: 28.78°NLon: 81.25°WElev: 56ft.

Thunderstorm

89°F

32°C

Humidity 65%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 13 Aug 6:53 pm EDT
Extended Forecast for

Casselberry FL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph.

    High: 95 °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. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 95. South southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Northeast wind around 5 mph. Chance of precipitation is 70%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming north around 5 mph.
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 77. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 95. South southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Northeast wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Northeast wind around 5 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. North northeast wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94. North northeast wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Casselberry FL
 28.69°N 81.31°W (Elev. 49 ft)
Last Update:
7:14 pm EDT Aug 13, 2025
Forecast Valid:
7pm EDT Aug 13, 2025-6pm EDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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