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.

A Few Clouds

81°F

27°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Sep 8:55 am EDT
Extended Forecast for

Sebastian FL

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 89. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. South southwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Labor Day

    Labor Day: Showers and thunderstorms, mainly after 2pm. High near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 89. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely, mainly between 2pm and 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind around 5 mph.
Saturday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. South southwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 74. Southeast 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 90. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms, mainly after 2pm. High near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms, mainly before 8pm. Low around 74. Calm wind. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Light east northeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. East wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sebastian FL
 27.79°N 80.48°W (Elev. 16 ft)
Last Update:
8:55 am EDT Sep 3, 2026
Forecast Valid:
9am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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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