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St. Augustine Beach, Florida

City in St. Johns County, Florida

Air quality

The air at St. Augustine Beach

Index 15, good, led by coarse particles. Read at 5 AM from its reporting area, Putnam County (FL), 33 miles off.

15Good
  • Coarse particles (PM10)15Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 19, 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 St. Augustine Beach

None in the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at St. Augustine Beach, the next 46 hours

Visibility stays 7 miles or more through Sun 2 AM, lowest 7 miles Sat 6 PM.

FriSat

On the radar over St. Augustine Beach, FloridaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest St. Augustine Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now3 instruments

measured daily2 instruments

St. Augustine 3.1 SSEFL-SJ-20

In a volunteer observer's own ground/1.2 mi away/10 ft/2 ft above here

precip, snowfall, snow depth

Rank-

St Augustine LighthouseSTAF1

At a lighthouse/5.1 mi away/3 ft/5 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at St Augustine Airpt, drawn

The nearest airport reporting now, 8.9 mi from St. Augustine Beach, Florida. From its report of Oct 16, 2026, 4:56 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over St Augustine Airpt, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGJFIG. A THE SKY OVER ST AUGUSTINE AIRPTSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESt Augustine Airpt, the skySTATION REPORT · ASOS SGJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SGJ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

69.0 F with a dew point of 67.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at St Augustine Airpt: temperature 69.0 degrees Fahrenheit and dew point 67.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGJFIG. B THE AIR AT ST AUGUSTINE AIRPTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 66.5 FTEMPERATURE AND DEW POINT 69.0 F, 67.0 FRELATIVE HUMIDITY 93 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 POINTTITLESt Augustine Airpt, the airSTATION REPORT · ASOS SGJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SGJ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at St Augustine Airpt, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGJFIG. C THE WIND AT ST AUGUSTINE AIRPTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESt Augustine Airpt, the windSTATION REPORT · ASOS SGJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SGJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of St Augustine Airpt, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at St Augustine Lighthouse (STAF1), 5.1 miles from here, read 11 Oct, 10:00. measured daily

Elsewhere in Florida

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

Near St. Augustine Beach

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

Near St. Augustine Beach

River and lake gauges