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Port Sulphur, Louisiana

Community in Plaquemines Parish, Louisiana

Air quality

The air at Port Sulphur

Index 45, good, led by fine particles. Read at 1 AM from its reporting area, New Orleans (LA), 41 miles off.

45Good
  • Fine particles (PM2.5)45Good-
  • Ozone24Good-

The days ahead

Highest 53, moderate, today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 43 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Port Sulphur

None in the last 3 days, to Fri 12 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 Sulphur, the next 43 hours

Mist or haze: visibility falls to 3 miles Fri 4 AM.

FriSat

On the radar over Port Sulphur, LouisianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Port Sulphur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 21.1 miles away.

measured now3 instruments

measured daily2 instruments

Belle Chasse 7.9 SLA-PL-2

In a volunteer observer's own ground/23.8 mi away/4 ft/3 ft above here

precip, snowfall, snow depth

Rank-

MerauxMERL1

At a cooperative observer's station/32.5 mi away/12 ft/11 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at New Orleans NAS, drawn

The nearest airport reporting now, 29.6 mi from Port Sulphur, Louisiana. From its report of Oct 16, 2026, 1:08 AM local time: 3 of its 6 sheets.

The sky

Sky obscured at 300 ft; the ceiling is 300 ft; visibility 1/4 mi.

Section of the sky over New Orleans NAS, height above the station to scale: sky obscured cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 1/4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NBGFIG. A THE SKY OVER NEW ORLEANS NASSECTION, 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 SHEETVV 300 FTSKY OBSCURED, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 1/4 MI0510TITLENew Orleans NAS, the skySTATION REPORT · ASOS NBGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NBG-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.0 F with a dew point of 68.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 300 ft.

Chart of the air at New Orleans NAS: temperature 68.0 degrees Fahrenheit and dew point 68.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NBGFIG. B THE AIR AT NEW ORLEANS NASTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, VV 300 FTTEMPERATURE AND DEW POINT 68.0 F, 68.0 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 POINTTITLENew Orleans NAS, the airSTATION REPORT · ASOS NBGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NBG-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 New Orleans NAS, 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 NBGFIG. C THE WIND AT NEW ORLEANS NASPLAN, 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 FORCE73TITLENew Orleans NAS, the windSTATION REPORT · ASOS NBGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NBG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of New Orleans NAS, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Louisiana

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

Near Port Sulphur

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

Near Port Sulphur

River and lake gauges