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.

Thunderstorm in Vicinity Rain Haze

82°F

28°C

Humidity 84%
Wind Speed SW 15 G 29 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 4.00 mi
Heat Index90°F (32°C)
Last update 28 Jul 12:55 pm EDT
Extended Forecast for

4 Miles WSW Sebastian FL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 106. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 93. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 91 °F

    T-storms
    Likely

  • Friday Night

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

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

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

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 106. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 76. West southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 93. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. West southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
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Forecast Area
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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:
11:15 am EDT Jul 28, 2026
Forecast Valid:
1pm EDT Jul 28, 2026-6pm EDT Aug 3, 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