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

Sebastian Municipal Airport (KX26)

Lat: 27.81°NLon: 80.5°WElev: 22ft.

Fair

82°F

28°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Aug 5:55 pm EDT
Extended Forecast for

Sebastian FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East northeast wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sebastian FL
 27.79°N 80.48°W (Elev. 16 ft)
Last Update:
2:56 pm EDT Aug 27, 2026
Forecast Valid:
6pm EDT Aug 27, 2026-6pm EDT Sep 3, 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