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Sebastian, Florida

City in Indian River County, Florida

Air quality

The air at Sebastian

Index 31, good, led by ozone. Read at 5 AM from its reporting area, Indian River County (FL), 10 miles off.

31Good
  • Ozone31Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 32, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Sebastian

0.08 in in the last 24 hours, and none in the 2 days before, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
0.08in

Visibility

How far you can see at Sebastian, the next 46 hours

Fog: visibility falls to 0.8 miles Fri 7 PM, under a mile for 1 hour.

FriSat

On the radar over Sebastian, FloridaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Sebastian, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

measured daily2 instruments

Sebastian 1.7 SWFL-IR-62

In a volunteer observer's own ground/1.2 mi away/21 ft/2 ft below here

precip, snowfall, snow depth

Rank-

Vero BeachVRBF1

At a cooperative observer's station/7.3 mi away/30 ft/7 ft above here

snowfall, snow depth, precip, high, low

Rank1,817of 2,338

Station report

The weather at Valkaria AFS, drawn

The nearest airport reporting now, 2.3 mi from Sebastian, Florida. From its report of Oct 16, 2026, 5:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,400 ft, scattered at 7,500 ft, broken at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Valkaria AFS, height above the station to scale: a few clouds cloud with its base at 4,400 feet, scattered cloud with its base at 7,500 feet, broken cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT X26FIG. A THE SKY OVER VALKARIA AFSSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 10,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 7,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 4,400 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEValkaria AFS, the skySTATION REPORT · ASOS X26TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-X26-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

77.0 F with a dew point of 77.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 4,400 ft.

Chart of the air at Valkaria AFS: temperature 77.0 degrees Fahrenheit and dew point 77.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 4,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT X26FIG. B THE AIR AT VALKARIA AFSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00070 F80 F90 FSATURATED AT THE GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 4,400 FTTEMPERATURE AND DEW POINT 77.0 F, 77.0 FRELATIVE HUMIDITY 100 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEValkaria AFS, the airSTATION REPORT · ASOS X26TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-X26-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Valkaria AFS, north up: blowing from 220 degrees, the southwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT X26FIG. C THE WIND AT VALKARIA AFSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEValkaria AFS, the windSTATION REPORT · ASOS X26TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-X26-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Valkaria AFS, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Florida

25 places, each with its own forecast and its own instruments.

Near Sebastian

The nearest places, each with its own forecast and the instruments nearest it.

Near Sebastian

River and lake gauges