Florida · NWS MLB office

Sebastian, FL weather

It is 75°F and cloudy at Sebastian Municipal Airport as of Oct 28, 4:55 AM EDT. Overnight: Rain Showers Likely, low near 74°F, 62% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:39 AM EDT.

Updated Oct 28, 5:26 AM EDT (snapshot)

Current conditions

Temperature

75°F

Cloudy · feels like 77°F

Wind

NNE 14 mph, gusts 20 mph

Humidity 100% · dew point 75°F

Pressure · visibility

29.94 inHg

Visibility 10 mi

Observed at Sebastian Municipal Airport (KX26), Oct 28, 4:55 AM EDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 28 at 2:40AM EDT until October 30 at 2:00AM EDT by NWS Melbourne FL

Area
Coastal Volusia; Coastal Indian River; Coastal St. Lucie; Coastal Martin; Mainland Northern Brevard; Northern Brevard Barrier Islands; Mainland Southern Brevard; Southern Brevard Barrier Islands
In effect
Oct 28, 2:40 AM EDT
Until
Oct 30, 2:00 AM EDT
Issued by
NWS Melbourne FL
Full text

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, significant coastal flooding. For the High Surf Advisory, large breaking waves of 7 to 11 feet in the surf zone. * WHERE...Coastal Volusia, Coastal Indian River, Coastal Saint Lucie, Coastal Martin, Mainland Northern Brevard, Northern Brevard Barrier Islands, Mainland Southern Brevard and Southern Brevard Barrier Islands Counties. * WHEN...For the High Rip Current Risk, through late Friday night. For the Coastal Flood Warning, until 2 AM EDT Friday. For the High Surf Advisory, until 2 AM EDT Friday. * IMPACTS...Coastal roads may be closed. Low lying property including homes, businesses and some critical infrastructure will be inundated. Significant shoreline erosion will occur. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

What to do: Coastal flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property. If travel is required, do not drive around barricades or through water of unknown depth. High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction fol

Rip Current Statement Moderate Expected

Rip Current Statement issued October 28 at 2:40AM EDT until October 31 at 2:00AM EDT by NWS Melbourne FL

Area
Coastal Volusia; Coastal Indian River; Coastal St. Lucie; Coastal Martin; Mainland Northern Brevard; Northern Brevard Barrier Islands; Mainland Southern Brevard; Southern Brevard Barrier Islands
In effect
Oct 28, 2:40 AM EDT
Until
Oct 31, 2:00 AM EDT
Issued by
NWS Melbourne FL
Full text

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, significant coastal flooding. For the High Surf Advisory, large breaking waves of 7 to 11 feet in the surf zone. * WHERE...Coastal Volusia, Coastal Indian River, Coastal Saint Lucie, Coastal Martin, Mainland Northern Brevard, Northern Brevard Barrier Islands, Mainland Southern Brevard and Southern Brevard Barrier Islands Counties. * WHEN...For the High Rip Current Risk, through late Friday night. For the Coastal Flood Warning, until 2 AM EDT Friday. For the High Surf Advisory, until 2 AM EDT Friday. * IMPACTS...Coastal roads may be closed. Low lying property including homes, businesses and some critical infrastructure will be inundated. Significant shoreline erosion will occur. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

What to do: Coastal flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property. If travel is required, do not drive around barricades or through water of unknown depth. High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction fol

High Surf Advisory Minor Expected

High Surf Advisory issued October 28 at 2:40AM EDT until October 30 at 2:00AM EDT by NWS Melbourne FL

Area
Coastal Volusia; Coastal Indian River; Coastal St. Lucie; Coastal Martin; Mainland Northern Brevard; Northern Brevard Barrier Islands; Mainland Southern Brevard; Southern Brevard Barrier Islands
In effect
Oct 28, 2:40 AM EDT
Until
Oct 30, 2:00 AM EDT
Issued by
NWS Melbourne FL
Full text

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, significant coastal flooding. For the High Surf Advisory, large breaking waves of 7 to 11 feet in the surf zone. * WHERE...Coastal Volusia, Coastal Indian River, Coastal Saint Lucie, Coastal Martin, Mainland Northern Brevard, Northern Brevard Barrier Islands, Mainland Southern Brevard and Southern Brevard Barrier Islands Counties. * WHEN...For the High Rip Current Risk, through late Friday night. For the Coastal Flood Warning, until 2 AM EDT Friday. For the High Surf Advisory, until 2 AM EDT Friday. * IMPACTS...Coastal roads may be closed. Low lying property including homes, businesses and some critical infrastructure will be inundated. Significant shoreline erosion will occur. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

What to do: Coastal flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property. If travel is required, do not drive around barricades or through water of unknown depth. High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction fol

Around the NWS MLB forecast area

5 active alerts cover zones served by the MLB office near Sebastian:

  • Flood Warning (2)
  • Coastal Flood Warning
  • Rip Current Statement
  • High Surf Advisory

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Florida has 17 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Sebastian (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM75°FShowers And Thunderstorms Likely60%NE 20 mph
Wed 8 AM75°FShowers And Thunderstorms Likely60%ENE 20 mph
Wed 9 AM77°FShowers And Thunderstorms Likely60%NE 20 mph
Wed 10 AM79°FShowers And Thunderstorms Likely60%ENE 15 mph
Wed 11 AM81°FShowers And Thunderstorms Likely60%ENE 15 mph
Wed 12 PM81°FShowers And Thunderstorms Likely60%ENE 15 mph
Wed 1 PM82°FShowers And Thunderstorms Likely55%ENE 15 mph
Wed 2 PM81°FShowers And Thunderstorms Likely60%NE 15 mph
Wed 3 PM81°FChance Showers And Thunderstorms52%NE 15 mph
Wed 4 PM82°FChance Showers And Thunderstorms48%NE 15 mph
Wed 5 PM80°FChance Showers And Thunderstorms46%NE 15 mph
Wed 6 PM79°FChance Showers And Thunderstorms49%NE 15 mph
Wed 7 PM78°FChance Showers And Thunderstorms36%NE 15 mph
Wed 8 PM77°FSlight Chance Showers And Thunderstorms21%ENE 15 mph
Wed 9 PM76°FSlight Chance Showers And Thunderstorms21%NE 15 mph
Wed 10 PM76°FChance Showers And Thunderstorms39%ENE 10 mph
Wed 11 PM76°FChance Showers And Thunderstorms49%ENE 10 mph
Thu 12 AM76°FChance Showers And Thunderstorms44%ENE 10 mph
Thu 1 AM76°FChance Showers And Thunderstorms40%ENE 5 mph
Thu 2 AM75°FSlight Chance Rain Showers18%ENE 5 mph
Thu 3 AM74°FSlight Chance Rain Showers22%ENE 5 mph
Thu 4 AM74°FChance Rain Showers31%ENE 5 mph
Thu 5 AM74°FChance Rain Showers30%NE 5 mph
Thu 6 AM74°FChance Rain Showers29%NE 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Sebastian can differ.

7-day forecast

Overnight

Low 74°F

Rain showers likely. Mostly cloudy, with a low around 74. Northeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

High 83°F·Low 74°F

Rain showers likely before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

High 84°F·Low 72°F

A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday

High 84°F·Low 73°F

A chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 84. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Friday Night: A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday

High 84°F·Low 72°F

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. East northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Sunday

High 83°F·Low 70°F

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Sunday Night: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Monday

High 84°F·Low 69°F

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.

Monday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Northeast wind around 5 mph. Chance of precipitation is 30%.

Tuesday

High 84°F

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Northeast wind 5 to 10 mph.

Nearby cities

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About this forecast

Forecast office
Sebastian is served by the National Weather Service MLB forecast office, forecast zone FLZ154, county zone FLC061.
Location used
The Census Bureau's internal point for Sebastian (27.7792, -80.4827), in Indian River County. Population: 27,087 (2024 estimate), number 101 of the 120 Florida cities on this site.
Radar
Nearest NWS radar: KMLB. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/27.7792,-80.4827 (forecast issued Oct 28, 2:39 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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