Storm Station
Mount Briar, Maryland
57°
Overcast· Feels like 57°·Light breeze 8 mph NNW
A slight chance of rain showers. Cloudy, with a low around 56. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
-UV
-Air quality
72%Humidity
91%Cloud

What is measuring near here

The 5 instruments nearest Mount Briar, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.3 miles away.

measured now3 instruments

Antietam National BattlefieldANBM2

At a river or reservoir gauge/4.2 mi away/476 ft/82 ft below here

temp, wind, gust, humidity, pressure

Rank69of 402

IS 70 WB at South MountainMD064

Beside a road/6.8 mi away/797 ft/239 ft above here

temp, pavement temp, wind, visibility, precip

Rank252of 402

Frederick Muni AptFDK

At an airfield/16.8 mi away/302 ft/256 ft below here

temp, wind, gust, visibility, precip, pressure

Rank347of 402

measured daily2 instruments

Sharpsburg 0.2 ENEMD-WH-23

In a volunteer observer's own ground/3.3 mi away/410 ft/148 ft below here

precip, snowfall, snow depth

Rank-

Hagerstown 1EHGCM2

At a cooperative observer's station/13.5 mi away/541 ft/17 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Frederick Muni Apt, drawn

The nearest airport reporting now, 16.8 mi from Mount Briar. From its report of Sep 27, 2026, 4:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 11,000 ft; the ceiling is 11,000 ft; visibility 9 mi.

Section of the sky over Frederick Muni Apt, height above the station to scale: overcast cloud with its base at 11,000 feet, the ceiling at 11,000 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FDKFIG. A THE SKY OVER FREDERICK MUNI APTSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 11,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 9 MI0510TITLEFrederick Muni Apt, the skySTATION REPORT · ASOS FDKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-FDK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

63.0 F with a dew point of 52.3 F, 68 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Frederick Muni Apt: temperature 63.0 degrees Fahrenheit and dew point 52.3, 68 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FDKFIG. B THE AIR AT FREDERICK MUNI APTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00040 F50 F60 F70 FSATURATES 2,500 FT ABOVE THE STATION, AT 49.9 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 11,000 FTTEMPERATURE 63.0 FDEW POINT 52.3 FSPREAD 10.7 FRELATIVE HUMIDITY 68 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 POINTTITLEFrederick Muni Apt, the airSTATION REPORT · ASOS FDKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-FDK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Frederick Muni Apt, north up: blowing from 330 degrees, the north northwest, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FDKFIG. C THE WIND AT FREDERICK MUNI APTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFrederick Muni Apt, the windSTATION REPORT · ASOS FDKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-FDK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Frederick Muni Apt, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Hagerstown 1E (HGCM2), 13.5 miles from here, read 25 Sep, 23:59. measured daily

Elsewhere in Maryland

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

Near Mount Briar

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