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Marietta-Alderwood, Washington

Community in Whatcom County, Washington

Air quality

The air at Marietta-Alderwood

Index 36, good, led by fine particles. Read at 9 PM from its reporting area, Bellingham (WA), 4 miles off.

36Good
  • Fine particles (PM2.5)36Good-

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 37, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Marietta-Alderwood

None in the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Marietta-Alderwood, the next 45 hours

Mist or haze: visibility falls to 2 miles Sat 4 AM.

FriSat

On the radar over Marietta-Alderwood, WashingtonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Marietta-Alderwood, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

measured daily2 instruments

Bellingham 4.1 NNWWA-WC-102

In a volunteer observer's own ground/1.2 mi away/173 ft/7 ft above here

precip, snowfall, snow depth

Rank-

ClearbrookCLBW1

At a cooperative observer's station/15.7 mi away/59 ft/107 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Bellingham INTL, drawn

The nearest airport reporting now, 1.0 mi from Marietta-Alderwood, Washington. From its report of Oct 15, 2026, 8:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Bellingham INTL, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLIFIG. A THE SKY OVER BELLINGHAM INTLSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBellingham INTL, the skySTATION REPORT · ASOS BLITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BLI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

47.0 F with a dew point of 47.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Bellingham INTL: temperature 47.0 degrees Fahrenheit and dew point 47.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLIFIG. B THE AIR AT BELLINGHAM INTLTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 47.0 F, 47.0 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 POINTTITLEBellingham INTL, the airSTATION REPORT · ASOS BLITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BLI-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 Bellingham INTL, 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 BLIFIG. C THE WIND AT BELLINGHAM INTLPLAN, 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 FORCE73TITLEBellingham INTL, the windSTATION REPORT · ASOS BLITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BLI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Washington

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

Near Marietta-Alderwood

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

Near Marietta-Alderwood

River and lake gauges