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Neptune Beach, Florida

City in Duval County, Florida

Air quality

The air at Neptune Beach

Index 92, moderate, led by fine particles. Read at 11 PM from its reporting area, Jacksonville (FL), 15 miles off.

92Moderate
  • Fine particles (PM2.5)92Moderate5.2 mi
  • Ozone18Good19 ppb5.2 mi
  • Coarse particles (PM10)46Good14.3 mi
  • Nitrogen dioxide11Good12.5 ppb13 mi
  • Sulfur dioxide0Good0.7 ppb14.3 mi
  • Carbon monoxide-0.4 ppm13 mi

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 46, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Neptune Beach

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 Neptune Beach, the next 46 hours

Mist or haze: visibility falls to 3 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Neptune Beach, 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

Neptune Beach 0.1 SFL-DV-107

In a volunteer observer's own ground/0.6 mi away/18 ft/2 ft below here

precip, snowfall, snow depth

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Station report

The weather at Mayport Ns, drawn

The nearest airport reporting now, 5.4 mi from Neptune Beach, Florida. From its report of Oct 15, 2026, 10:52 PM 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 Mayport Ns, 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 NRBFIG. A THE SKY OVER MAYPORT NSSECTION, 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 MORE0510TITLEMayport Ns, the skySTATION REPORT · ASOS NRBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NRB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

79.0 F with a dew point of 68.0 F, 69 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,600 ft up.

Chart of the air at Mayport Ns: temperature 79.0 degrees Fahrenheit and dew point 68.0, 69 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NRBFIG. B THE AIR AT MAYPORT NSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 F80 F90 FSATURATES 2,600 FT ABOVE THE STATION, AT 65.3 FTEMPERATURE 79.0 FDEW POINT 68.0 FSPREAD 11.0 FRELATIVE HUMIDITY 69 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 POINTTITLEMayport Ns, the airSTATION REPORT · ASOS NRBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NRB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Mayport Ns, north up: 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 NRBFIG. C THE WIND AT MAYPORT NSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMayport Ns, the windSTATION REPORT · ASOS NRBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NRB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mayport Ns, 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 Neptune Beach

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

Near Neptune Beach

River and lake gauges