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Washington, California

Community in Nevada County, California

Air quality

The air at Washington

Index 50, good, led by ozone. Read at 9 PM from its reporting area, Western Nevada County (CA), 17 miles off.

50Good
  • Fine particles (PM2.5)-19.9 mi
  • Ozone50Good35 ppb19.9 mi

The days ahead

Yesterday measured 40, good.

Smoke, the next 45 hours

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

SatSun

Precipitation

What has fallen at Washington

None in the last 3 days, to Fri 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 Washington, the next 45 hours

Visibility stays 10 miles or more through Sun 5 PM.

SatSun

On the radar over Washington, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Washington, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.0 miles away.

measured now4 instruments

measured daily2 instruments

Nevada City 16.4 ECA-NV-29

In a volunteer observer's own ground/5.5 mi away/5,233 ft/2,538 ft above here

precip, snowfall, snow depth

Rank-

Bowman DamBODC1

At a dam/9.7 mi away/6,024 ft/3,329 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Blue Canyon - Nyack, drawn

The nearest airport reporting now, 7.2 mi from Washington, California. From its report of Oct 16, 2026, 8:52 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 Blue Canyon - Nyack, 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 BLUFIG. A THE SKY OVER BLUE CANYON - NYACKSECTION, 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 MORE0510TITLEBlue Canyon - Nyack, the skySTATION REPORT · ASOS BLUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-BLU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

61.0 F with a dew point of 26.0 F, 26 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Blue Canyon - Nyack: temperature 61.0 degrees Fahrenheit and dew point 26.0, 26 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLUFIG. B THE AIR AT BLUE CANYON - NYACKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00010 F20 F30 F40 F50 F60 F70 FSATURATES 7,900 FT ABOVE THE STATION, AT 18.9 FTEMPERATURE 61.0 FDEW POINT 26.0 FSPREAD 35.0 FRELATIVE HUMIDITY 26 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 POINTTITLEBlue Canyon - Nyack, the airSTATION REPORT · ASOS BLUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-BLU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Blue Canyon - Nyack, 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 BLUFIG. C THE WIND AT BLUE CANYON - NYACKPLAN, 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 FORCE73TITLEBlue Canyon - Nyack, the windSTATION REPORT · ASOS BLUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-BLU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Blue Canyon - Nyack, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in California

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

Near Washington

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

Near Washington

River and lake gauges