Storm Station
Darnestown, Maryland
58°
Light rain· Feels like 58°·Light breeze 6 mph NNW
Rain showers likely. Cloudy, with a high near 64. Northwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
87%Humidity
97%Cloud

What is measuring near here

The 6 instruments nearest Darnestown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now4 instruments

I-270 @ I-370MD001

Beside a road/4.3 mi away/450 ft/37 ft above here

temp, pavement temp, wind, visibility, precip

Rank321of 402

GaithersburgGAI

At an airfield/7.3 mi away/539 ft/126 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1of 402

Powder MillS2049

At a soil climate station/23.8 mi away/105 ft/308 ft below here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Germantown 3.2 SSWMD-MG-88

In a volunteer observer's own ground/1.9 mi away/352 ft/61 ft below here

precip, snowfall, snow depth

Rank-

Damascus 3 SSWDMAM2

At a cooperative observer's station/11.1 mi away/676 ft/263 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Gaithersburg, drawn

The nearest airport reporting now, 7.3 mi from Darnestown. From its report of Sep 27, 2026, 6:56 AM local time: 3 of its 6 sheets.

The sky

Broken at 6,000 ft, broken at 9,000 ft; the ceiling is 6,000 ft; visibility 10 mi or more.

Section of the sky over Gaithersburg, height above the station to scale: broken cloud with its base at 6,000 feet, broken cloud with its base at 9,000 feet, the ceiling at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GAIFIG. A THE SKY OVER GAITHERSBURGSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 9,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 6,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 6,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGaithersburg, the skySTATION REPORT · ASOS GAITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-GAI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

59.0 F with a dew point of 53.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Gaithersburg: temperature 59.0 degrees Fahrenheit and dew point 53.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GAIFIG. B THE AIR AT GAITHERSBURGTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 1,400 FT ABOVE THE STATION, AT 51.6 FLOWEST CLOUD REPORTED, BKN 6,000 FTTEMPERATURE 59.0 FDEW POINT 53.0 FSPREAD 6.0 FRELATIVE HUMIDITY 80 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 POINTTITLEGaithersburg, the airSTATION REPORT · ASOS GAITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-GAI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Gaithersburg, north up: blowing from 320 degrees, the northwest, at 5 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 GAIFIG. C THE WIND AT GAITHERSBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGaithersburg, the windSTATION REPORT · ASOS GAITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-GAI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Damascus 3 SSW (DMAM2), 11.1 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Maryland

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

Near Darnestown

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