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Marblemount, Washington

Community in Skagit County, Washington

Air quality

The air at Marblemount

Index 33, good, led by fine particles. Read at 10 PM from its reporting area, Darrington (WA), 24 miles off.

33Good
  • Fine particles (PM2.5)33Good21.6 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 18, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Marblemount

None in the last 24 hours; 0.09 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.09in

Visibility

How far you can see at Marblemount, the next 43 hours

Mist or haze: visibility falls to 2 miles Sat 5 AM.

FriSat

On the radar over Marblemount, WashingtonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Marblemount, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

measured daily2 instruments

NewhalemNWMW1

At a cooperative observer's station/13.3 mi away/787 ft/459 ft above here

snowfall, snow depth, precip, high, low

Rank805of 1,451

Station report

The weather at Marblemount Rs RAWS, drawn

The nearest instrument reporting now, 0.5 mi from Marblemount, Washington. From its report of Oct 15, 2026, 10:12 PM local time: 3 of its 5 sheets.

The air

48.0 F with a dew point of 46.9 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 300 ft up.

Chart of the air at Marblemount Rs RAWS: temperature 48.0 degrees Fahrenheit and dew point 46.9, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBMW1FIG. B THE AIR AT MARBLEMOUNT RS RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 300 FT ABOVE THE STATION, AT 46.6 FTEMPERATURE AND DEW POINT 48.0 F, 46.9 FRELATIVE HUMIDITY 96 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 POINTTITLEMarblemount Rs RAWS, the airSTATION REPORT · DCP MBMW1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MBMW1-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (359 degrees) at 2 mph, gusting 5 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 12 mph.

Plan of the wind at Marblemount Rs RAWS, north up: blowing from 359 degrees, the north, at 2 miles an hour, gusting 5; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBMW1FIG. C THE WIND AT MARBLEMOUNT RS RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 359°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 2 MPH2LIGHT BREEZE4GUST, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarblemount Rs RAWS, the windSTATION REPORT · DCP MBMW1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MBMW1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 390 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.50 inHg and the temperature at 57.6 F; it reports 48.0 F, 9.6 F colder than standard.

Section from sea level of where Marblemount Rs RAWS stands in the atmosphere, height to scale: the station 390 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.50 inches of mercury, and temperature, 57.6 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBMW1FIG. D WHERE MARBLEMOUNT RS RAWS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREMARBLEMOUNT RS RAWS1 PER CENT OF THE AIR BELOW IT390 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.50 inHgSTANDARD TEMPERATURE HERE57.6 FTEMPERATURE, REPORTED48.0 FTITLEMarblemount Rs RAWS, the columnSTATION REPORT · DCP MBMW1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MBMW1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Marblemount Rs RAWS, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Newhalem (NWMW1), 13.3 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Washington

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

Near Marblemount

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

Near Marblemount

River and lake gauges