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Tumwater, Washington

City in Thurston County, Washington

Air quality

The air at Tumwater

Index 34, good, led by fine particles. Read at 9 PM from its reporting area, Olympia-Lacey-Tumwater (WA), 5 miles off.

34Good
  • Fine particles (PM2.5)34Good4.6 mi
  • Ozone6Good1 ppb4.6 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 22 or under.

FriSat

Precipitation

What has fallen at Tumwater

None in the last 24 hours; 0.02 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Tumwater, the next 45 hours

Visibility stays 3 miles or more through Sat 5 PM, lowest 4 miles Sat 4 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Tumwater, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

OlympiaOLM

At an airfield/2.0 mi away/200 ft/35 ft above here

temp, wind, gust, visibility, precip, pressure

Rank885of 1,451

measured daily2 instruments

Tumwater 1.1 NNEWA-TH-56

In a volunteer observer's own ground/0.8 mi away/207 ft/42 ft above here

precip, snowfall, snow depth

Rank-

ElmaELAW1

At a cooperative observer's station/22.9 mi away/98 ft/67 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Olympia, drawn

The nearest airport reporting now, 2.0 mi from Tumwater, Washington. From its report of Oct 15, 2026, 9:26 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 3 mi.

Section of the sky over Olympia, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLMFIG. A THE SKY OVER OLYMPIASECTION, 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: 3 MI0510TITLEOlympia, the skySTATION REPORT · ASOS OLMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OLM-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 Olympia: 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 OLMFIG. B THE AIR AT OLYMPIATHE 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 POINTTITLEOlympia, the airSTATION REPORT · ASOS OLMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OLM-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 Olympia, 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 OLMFIG. C THE WIND AT OLYMPIAPLAN, 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 FORCE73TITLEOlympia, the windSTATION REPORT · ASOS OLMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OLM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Olympia, 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 Tumwater

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

Near Tumwater

River and lake gauges