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Marathon, Florida

City in Monroe County, Florida

Precipitation

What has fallen at Marathon

None in the last 3 days, to Thu 10 PM. 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 Marathon, the next 46 hours

Mist or haze: visibility falls to 2 miles Sat 12 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Marathon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

MarathonMTH

At an airfield/0.9 mi away/7 ft/5 ft above here

temp, wind, gust, visibility, precip, pressure

Rank310of 2,338

Vaca KeyNDBC-VCAF1

At a river or reservoir gauge/2.8 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank2,242of 2,338

measured daily2 instruments

Marathon 0.9 ENEFL-MN-17

In a volunteer observer's own ground/0.4 mi away/3 ft/1 ft above here

precip, snowfall, snow depth

Rank-

MarathonMTEF1

At a cooperative observer's station/5.3 mi away/3 ft/1 ft above here

snowfall, snow depth, precip, high, low

Rank1,238of 2,338

Station report

The weather at Marathon, drawn

The nearest airport reporting now, 0.9 mi from Marathon, Florida. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,900 ft; visibility 10 mi or more.

Section of the sky over Marathon, height above the station to scale: a few clouds cloud with its base at 1,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTHFIG. A THE SKY OVER MARATHONSECTION, 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 SHEETFEW 1,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMarathon, the skySTATION REPORT · ASOS MTHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MTH-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

84.0 F with a dew point of 77.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Marathon: temperature 84.0 degrees Fahrenheit and dew point 77.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTHFIG. B THE AIR AT MARATHONTHE 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 F90 FSATURATES 1,700 FT ABOVE THE STATION, AT 75.3 FLOWEST CLOUD REPORTED, FEW 1,900 FTTEMPERATURE 84.0 FDEW POINT 77.0 FSPREAD 7.0 FRELATIVE HUMIDITY 80 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 POINTTITLEMarathon, the airSTATION REPORT · ASOS MTHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MTH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Marathon, north up: blowing from 90 degrees, the east, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTHFIG. C THE WIND AT MARATHONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarathon, the windSTATION REPORT · ASOS MTHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MTH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Marathon, 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 Marathon

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

Near Marathon

River and lake gauges