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Jamestown, Washington

Community in Clallam County, Washington

Air quality

The air at Jamestown

Index 23, good, led by fine particles. Read at 8 PM from its reporting area, Port Townsend (WA), 14 miles off.

23Good
  • Fine particles (PM2.5)23Good14.4 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 20, 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 Jamestown

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 Jamestown, the next 45 hours

Visibility stays 6 miles or more through Sat 5 PM, lowest 7 miles Sat 4 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Jamestown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

measured daily2 instruments

Sequim 2 ESEQW1

At a cooperative observer's station/2.8 mi away/108 ft/79 ft above here

snowfall, snow depth, precip, high, low

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Station report

The weather at Port Townsend, drawn

The nearest airport reporting now, 13.7 mi from Jamestown, Washington. From its report of Oct 15, 2026, 9:15 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 2.5 mi.

Section of the sky over Port Townsend, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 2.5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 0S9FIG. A THE SKY OVER PORT TOWNSENDSECTION, 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: 2.5 MI0510TITLEPort Townsend, the skySTATION REPORT · ASOS 0S9TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-0S9-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.6 F with a dew point of 44.6 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Port Townsend: temperature 44.6 degrees Fahrenheit and dew point 44.6, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 0S9FIG. B THE AIR AT PORT TOWNSENDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 44.6 F, 44.6 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 POINTTITLEPort Townsend, the airSTATION REPORT · ASOS 0S9TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-0S9-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Port Townsend, 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 0S9FIG. C THE WIND AT PORT TOWNSENDPLAN, 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 FORCE73TITLEPort Townsend, the windSTATION REPORT · ASOS 0S9TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-0S9-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Port Townsend, 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 Jamestown

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

Near Jamestown

River and lake gauges