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Custer, Washington

Community in Whatcom County, Washington

Air quality

The air at Custer

Index 43, good, led by fine particles. Read at 3 AM from its reporting area, Custer (WA), 0 miles off.

43Good
  • Fine particles (PM2.5)43Good-
  • Ozone13Good-

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 37, good.

Smoke, the next 44 hours

Little smoke near the ground through Sun 11 PM: the index from smoke stays at 11 or under.

SatSun

Precipitation

What has fallen at Custer

0.17 in in the last 24 hours, and none in the 2 days before, to Sat 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.17in
Last 3 days
0.17in

Visibility

How far you can see at Custer, the next 44 hours

Visibility stays 7 miles or more through Sun 11 PM, lowest 8 miles Sun 8 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Custer, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now4 instruments

measured daily2 instruments

Ferndale 3.2 NWWA-WC-39

In a volunteer observer's own ground/2.2 mi away/297 ft/256 ft above here

precip, snowfall, snow depth

Rank-

BlaineBLNW1

At a cooperative observer's station/7.8 mi away/59 ft/18 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Bellingham INTL, drawn

The nearest airport reporting now, 9.7 mi from Custer, Washington. From its report of Oct 17, 2026, 3:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,300 ft, broken at 3,400 ft, overcast at 4,400 ft; the ceiling is 3,400 ft; visibility 8 mi.

Section of the sky over Bellingham INTL, height above the station to scale: a few clouds cloud with its base at 1,300 feet, broken cloud with its base at 3,400 feet, overcast cloud with its base at 4,400 feet, the ceiling at 3,400 feet, and visibility of 8 mi.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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 1,300 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 3,400 FTVISIBILITY, MILES: 8 MI0510TITLEBellingham INTL, the skySTATION REPORT · ASOS BLITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-BLI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.0 F with a dew point of 53.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Bellingham INTL: temperature 55.0 degrees Fahrenheit and dew point 53.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 1,300 feet; 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 F70 FSATURATES 500 FT ABOVE THE STATION, AT 52.5 FLOWEST CLOUD REPORTED, FEW 1,300 FTTEMPERATURE AND DEW POINT 55.0 F, 53.0 FRELATIVE HUMIDITY 93 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 6DATE2026-10-17IDSR-BLI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Bellingham INTL, north up: blowing from 170 degrees, the south, 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 BLIFIG. C THE WIND AT BELLINGHAM INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBellingham INTL, the windSTATION REPORT · ASOS BLITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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

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Snow on the ground

Elsewhere in Washington

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

Near Custer

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

Near Custer

River and lake gauges