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Chesapeake Ranch Estates, Maryland

Community in Calvert County, Maryland

Air quality

The air at Chesapeake Ranch Estates

Index 17, good, led by ozone. Read at 1 AM from its reporting area, Southern Maryland (MD), 20 miles off.

17Good
  • Fine particles (PM2.5)-21.8 mi
  • Ozone17Good16 ppb16.2 mi
  • Sulfur dioxide0Good0.1 ppb21.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles.

Smoke, the next 43 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 Chesapeake Ranch Estates

0.09 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.09in
Last 3 days
0.09in

Visibility

How far you can see at Chesapeake Ranch Estates, the next 43 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 11 PM.

FriSat

On the radar over Chesapeake Ranch Estates, MarylandReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Chesapeake Ranch Estates, 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 now4 instruments

measured daily2 instruments

Lusby 1.1 EMD-CV-24

In a volunteer observer's own ground/0.4 mi away/135 ft/66 ft above here

precip, snowfall, snow depth

Rank-

SolomonsSOLM2

At a cooperative observer's station/3.6 mi away/20 ft/49 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Patuxent River NAS, drawn

The nearest airport reporting now, 5.2 mi from Chesapeake Ranch Estates, Maryland. From its report of Oct 16, 2026, 1:52 AM local time: 3 of its 6 sheets.

The sky

Scattered at 900 ft, overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 3 mi.

Section of the sky over Patuxent River NAS, height above the station to scale: scattered cloud with its base at 900 feet, overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NHKFIG. A THE SKY OVER PATUXENT RIVER 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 3 MI0510TITLEPatuxent River NAS, the skySTATION REPORT · ASOS NHKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NHK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

63.0 F with a dew point of 61.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Patuxent River NAS: temperature 63.0 degrees Fahrenheit and dew point 61.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NHKFIG. B THE AIR AT PATUXENT RIVER 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 STATION01,0002,0003,00050 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 60.5 FLOWEST CLOUD REPORTED, SCT 900 FTTEMPERATURE AND DEW POINT 63.0 F, 61.0 FRELATIVE HUMIDITY 93 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 POINTTITLEPatuxent River NAS, the airSTATION REPORT · ASOS NHKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NHK-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Patuxent River NAS, north up: blowing from 140 degrees, the southeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NHKFIG. C THE WIND AT PATUXENT RIVER NASPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPatuxent River NAS, the windSTATION REPORT · ASOS NHKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NHK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Maryland

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

Near Chesapeake Ranch Estates

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

Near Chesapeake Ranch Estates

River and lake gauges