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Ponce, Puerto Rico

Town in Ponce Municipio, Puerto Rico

Air quality

The air at Ponce

Index 28, good, led by fine particles. Read at 5 AM from its reporting area, Catano (PR), 43 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Yesterday measured 31, good.

On the radar over Ponce, Puerto RicoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Ponce, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

PonceTJPS

At an airfield/3.9 mi away/30 ft/29 ft below here

temp, wind, gust, visibility, precip, pressure

Rank216of 248

Fortuna ScanFORP4

At a river or reservoir gauge/6.0 mi away/93 ft/34 ft above here

temp, wind, gust, humidity, pressure

Rank196of 248

FortunaS2122

At a soil climate station/6.3 mi away/93 ft/34 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Ponce 3.1 NWPR-PC-9

In a volunteer observer's own ground/1.5 mi away/115 ft/56 ft above here

precip, snowfall, snow depth

Rank242of 248

Corral ViejoPNCP4

At a cooperative observer's station/5.4 mi away/610 ft/551 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fortuna Scan, drawn

The nearest instrument reporting now, 6.0 mi from Ponce, Puerto Rico. From its report of Oct 17, 2026, 6:00 AM local time: 3 of its 5 sheets.

The air

75.6 F with a dew point of 70.8 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up.

Chart of the air at Fortuna Scan: temperature 75.6 degrees Fahrenheit and dew point 70.8, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FORP4FIG. B THE AIR AT FORTUNA SCANTHE 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 1,100 FT ABOVE THE STATION, AT 69.6 FTEMPERATURE 75.6 FDEW POINT 70.8 FSPREAD 4.9 FRELATIVE HUMIDITY 85 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 POINTTITLEFortuna Scan, the airSTATION REPORT · DCP FORP4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-17IDSR-FORP4-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (38 degrees) at 3 mph, gusting 6 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 6 mph.

Plan of the wind at Fortuna Scan, north up: blowing from 38 degrees, the northeast, at 3 miles an hour, gusting 6; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FORP4FIG. C THE WIND AT FORTUNA SCANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 38°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE4GUST, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFortuna Scan, the windSTATION REPORT · DCP FORP4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-17IDSR-FORP4-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 93 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.82 inHg and the temperature at 58.7 F; it reports 75.6 F, 17.0 F warmer than standard.

Section from sea level of where Fortuna Scan stands in the atmosphere, height to scale: the station 93 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.82 inches of mercury, and temperature, 58.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FORP4FIG. D WHERE FORTUNA SCAN STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREFORTUNA SCAN0 PER CENT OF THE AIR BELOW IT93 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.82 inHgSTANDARD TEMPERATURE HERE58.7 FTEMPERATURE, REPORTED75.6 FTITLEFortuna Scan, the columnSTATION REPORT · DCP FORP4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-17IDSR-FORP4-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Fortuna Scan, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Near Ponce

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

Near Ponce

River and lake gauges