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

77°F

25°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.91 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Jul 4:55 am EDT
Extended Forecast for

4 Miles WSW Sebastian FL

  • Today

    Today: Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 90. Heat index values as high as 102. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph.

    Low: 75 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 103. West southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 73. Southwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 90. Heat index values as high as 102. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 103. West southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 73. Southwest wind around 5 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Sebastian FL
 27.77°N 80.54°W (Elev. 20 ft)
Last Update:
2:39 am EDT Jul 30, 2026
Forecast Valid:
5am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation