Sebastian, FL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Sebastian, FL in one place.
A chance of rain showers before 11am, then showers and thunderstorms likely between 11am and 5pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 0 to 10 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Sebastian, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 9:01 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Sebastian, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 9:01 PM EDT
- Forecast office
- MLB
- Source
- NOAA / NWS
Daily Outlook
This Week in Sebastian
Saturday looks like the warmest upcoming period in Sebastian at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 9:01 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MLB
- Radar station
- KMLB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 77. East wind 5 to 10 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly cloudy, with a low around 77. East wind 0 to 10 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly sunny, with a high near 90. East northeast wind 0 to 10 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 77. East wind 0 to 10 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. East northeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. East wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. East northeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. East wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. East wind 0 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Showers And Thunderstorms Likely
|
91°F |
0 to 10 mph
E
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
77°F |
5 to 10 mph
E
|
|
Sunday
Aug 30
|
Showers And Thunderstorms Likely
|
91°F |
5 to 10 mph
E
|
|
Sunday Night
Aug 30
|
Showers And Thunderstorms Likely
|
77°F |
0 to 10 mph
E
|
|
Monday
Aug 31
|
Showers And Thunderstorms Likely
|
90°F |
0 to 10 mph
ENE
|
|
Monday Night
Aug 31
|
Showers And Thunderstorms Likely
|
77°F |
0 to 10 mph
E
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
90°F |
0 to 10 mph
ENE
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
77°F |
0 to 10 mph
E
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
90°F |
0 to 10 mph
ENE
|
|
Wednesday Night
Sep 2
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 10 mph
E
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms
|
90°F |
0 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sebastian.
