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

90°F

32°C

Humidity 71%
Wind Speed SE 10 mph
Barometer 30.03 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 28 Aug 3:15 pm EDT
Extended Forecast for

Sebastian FL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East southeast wind around 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 102. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 77. East southeast wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Light east wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. East northeast 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

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. East southeast wind around 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 102. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 77. East southeast wind around 5 mph.
Sunday
Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph.
Monday
Showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Light east wind becoming east northeast 5 to 10 mph in the morning. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
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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:
2:39 pm EDT Aug 28, 2026
Forecast Valid:
3pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation