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Friday Harbor, Washington

Town in San Juan County, Washington

Air quality

The air at Friday Harbor

Index 23, good, led by fine particles. Read at 2 AM from its reporting area, Anacortes (WA), 19 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone4Good-

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 19, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Friday Harbor

None in the last 3 days, to Fri 1 AM. 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 Friday Harbor, the next 46 hours

Visibility stays 7 miles or more through Sat 11 PM, lowest 8 miles Sat 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Friday Harbor, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

Friday Harbor 0.2 NWA-SJ-7

In a volunteer observer's own ground/0.5 mi away/117 ft/16 ft above here

precip, snowfall, snow depth

Rank-

Padilla Bay FarmPBFW1

On a farm or research station/25.9 mi away/3 ft/98 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Friday Harbor, drawn

The nearest airport reporting now, 0.9 mi from Friday Harbor, Washington. From its report of Oct 16, 2026, 1:53 AM 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 Friday Harbor, 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 FHRFIG. A THE SKY OVER FRIDAY HARBORSECTION, 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 MORE0510TITLEFriday Harbor, the skySTATION REPORT · ASOS FHRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FHR-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 Friday Harbor: 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 FHRFIG. B THE AIR AT FRIDAY HARBORTHE 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 POINTTITLEFriday Harbor, the airSTATION REPORT · ASOS FHRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FHR-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 Friday Harbor, 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 FHRFIG. C THE WIND AT FRIDAY HARBORPLAN, 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 FORCE73TITLEFriday Harbor, the windSTATION REPORT · ASOS FHRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FHR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Friday Harbor, 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 Friday Harbor

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

Near Friday Harbor

River and lake gauges