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Port St. Joe, Florida

City in Gulf County, Florida

Air quality

The air at Port St. Joe

Index 26, good, led by ozone. Read at 2 AM from its reporting area, Bay and Gulf Counties (FL), 25 miles off.

26Good
  • Ozone26Good-

The days ahead

Good each day through Tue Oct 20, led by ozone.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Port St. Joe

None in the last 3 days, to Fri 1 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 Port St. Joe, the next 43 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 8 miles Fri 3 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Port St. Joe, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now3 instruments

measured daily2 instruments

Port St. Joe 0.8 SSEFL-GF-5

In a volunteer observer's own ground/0.6 mi away/9 ft/6 ft above here

precip, snowfall, snow depth

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Station report

The weather at Apalachicola Muni (ASOS), drawn

The nearest airport reporting now, 16.9 mi from Port St. Joe, Florida. From its report of Oct 16, 2026, 1:53 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 Apalachicola Muni (ASOS), 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 AAFFIG. A THE SKY OVER APALACHICOLA MUNI (ASOS)SECTION, 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 MORE0510TITLEApalachicola Muni (ASOS), the skySTATION REPORT · ASOS AAFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AAF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 67.0 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Apalachicola Muni (ASOS): temperature 68.0 degrees Fahrenheit and dew point 67.0, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AAFFIG. B THE AIR AT APALACHICOLA MUNI (ASOS)THE 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 200 FT ABOVE THE STATION, AT 66.7 FTEMPERATURE AND DEW POINT 68.0 F, 67.0 FRELATIVE HUMIDITY 97 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 POINTTITLEApalachicola Muni (ASOS), the airSTATION REPORT · ASOS AAFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AAF-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Apalachicola Muni (ASOS), north up: blowing from 40 degrees, the northeast, 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 AAFFIG. C THE WIND AT APALACHICOLA MUNI (ASOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEApalachicola Muni (ASOS), the windSTATION REPORT · ASOS AAFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AAF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Apalachicola Muni (ASOS), 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 Port St. Joe

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

Near Port St. Joe

River and lake gauges