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

Hazardous Weather Conditions

Current conditions at

Sebastian Municipal Airport (KX26)

Lat: 27.81°NLon: 80.5°WElev: 22ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.05 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 4:35 am EDT
Extended Forecast for

Fellsmere FL

Heat Advisory August 17, 10:00am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 10 mph becoming west northwest in the morning.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southeast wind around 5 mph becoming west northwest after midnight.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 95. West southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. South southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 94 °F

    Sunny then
    T-storms
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 10 mph becoming west northwest in the morning.
Tonight
Mostly clear, with a low around 77. South southeast wind around 5 mph becoming west northwest after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. West wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 95. West southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. South southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. Southwest wind around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. South southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 93. South southwest wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94. South wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fellsmere FL
 27.77°N 80.59°W (Elev. 26 ft)
Last Update:
2:39 am EDT Aug 17, 2026
Forecast Valid:
4am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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