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Calvert Beach, Maryland

Community in Calvert County, Maryland

Air quality

The air at Calvert Beach

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

17Good
  • Ozone17Good17 ppb8.7 mi
  • Sulfur dioxide0Good0 ppb20.1 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 11 or under.

FriSat

Precipitation

What has fallen at Calvert Beach

0.08 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
0.08in
Last 3 days
0.08in

Visibility

How far you can see at Calvert Beach, the next 43 hours

Visibility stays 6 miles or more through Sat 8 PM, lowest 6 miles Sat 4 AM.

FriSat

On the radar over Calvert Beach, MarylandReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Calvert Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now4 instruments

Leonardtown2W6

At an airfield/11.1 mi away/142 ft/113 ft above here

temp, wind, gust, visibility, precip, pressure

Rank3of 736

measured daily2 instruments

SolomonsSOLM2

At a cooperative observer's station/10.6 mi away/20 ft/9 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Leonardtown, drawn

The nearest airport reporting now, 11.1 mi from Calvert Beach, Maryland. From its report of Oct 16, 2026, 1:55 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 400 ft, broken at 2,000 ft, overcast at 2,600 ft; the ceiling is 2,000 ft; visibility 3 mi.

Section of the sky over Leonardtown, height above the station to scale: a few clouds cloud with its base at 400 feet, broken cloud with its base at 2,000 feet, overcast cloud with its base at 2,600 feet, the ceiling at 2,000 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2W6FIG. A THE SKY OVER LEONARDTOWNSECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 400 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 2,000 FTVISIBILITY, MILES: 3 MI0510TITLELeonardtown, the skySTATION REPORT · ASOS 2W6TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-2W6-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.5 F with a dew point of 61.5 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 400 ft.

Chart of the air at Leonardtown: temperature 61.5 degrees Fahrenheit and dew point 61.5, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2W6FIG. B THE AIR AT LEONARDTOWNTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, FEW 400 FTTEMPERATURE AND DEW POINT 61.5 F, 61.5 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 POINTTITLELeonardtown, the airSTATION REPORT · ASOS 2W6TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-2W6-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Leonardtown, 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 2W6FIG. C THE WIND AT LEONARDTOWNPLAN, 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 FORCE73TITLELeonardtown, the windSTATION REPORT · ASOS 2W6TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-2W6-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Leonardtown, 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 Calvert Beach

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

Near Calvert Beach

River and lake gauges