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Waukesha, Wisconsin

Village in Waukesha County, Wisconsin

Air quality

The air at Waukesha

Index 23, good, led by fine particles. Read at 6 PM from its reporting area, Milwaukee-Ozaukee (WI), 22 miles off.

23Good
  • Fine particles (PM2.5)23Good4.5 mi
  • Coarse particles (PM10)14Good4.5 mi
  • Nitrogen dioxide14Good15.4 ppb16.1 mi
  • Carbon monoxide-0.4 ppm16.1 mi

The days ahead

Good each day through Thu Oct 22, led by ozone. Yesterday measured 18, good.

Smoke, the next 44 hours

No smoke near the ground through Wed 1 PM.

MonTueWed

Precipitation

What has fallen at Waukesha

None in the last 24 hours; 0.01 in over the last 3 days, to Mon 5 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

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

Dense fog: visibility falls to 0 miles Tue 5 AM, under a mile for 10 hours.

MonTueWed

On the radar over Waukesha, WisconsinReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Waukesha, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.1 miles away.

measured now4 instruments

Pewaukee WWTPPWKW3

At a water treatment plant/7.4 mi away/912 ft/84 ft above here

temp, wind, gust, humidity, pressure

Rank-

I-43 SB at STH 83WI073

Beside a road/8.3 mi away/814 ft/14 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Waukesha 1.8 SSEWI-WK-75

In a volunteer observer's own ground/2.1 mi away/894 ft/66 ft above here

precip, snowfall, snow depth

Rank-

Carroll CollegeWCCW3

On a college campus/3.2 mi away/902 ft/74 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Waukesha Cnty, drawn

The nearest airport reporting now, 5.6 mi from Waukesha, Wisconsin. From its report of Oct 19, 2026, 5:45 PM local time: 3 of its 6 sheets.

The sky

Clear; visibility 10 mi or more.

Section of the sky over Waukesha Cnty, height above the station to scale: a clear sky, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UESFIG. A THE SKY OVER WAUKESHA CNTYSECTION, 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 STATIONCLEARVISIBILITY, MILES: 10 MI OR MORE0510TITLEWaukesha Cnty, the skySTATION REPORT · ASOS UESTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-19IDSR-UES-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

62.6 F with a dew point of 46.4 F, 55 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,700 ft up.

Chart of the air at Waukesha Cnty: temperature 62.6 degrees Fahrenheit and dew point 46.4, 55 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UESFIG. B THE AIR AT WAUKESHA CNTYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 F70 FSATURATES 3,700 FT ABOVE THE STATION, AT 42.9 FTEMPERATURE 62.6 FDEW POINT 46.4 FSPREAD 16.2 FRELATIVE HUMIDITY 55 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 POINTTITLEWaukesha Cnty, the airSTATION REPORT · ASOS UESTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-19IDSR-UES-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (30 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Waukesha Cnty, north up: blowing from 30 degrees, the north northeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UESFIG. C THE WIND AT WAUKESHA CNTYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 30°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWaukesha Cnty, the windSTATION REPORT · ASOS UESTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-19IDSR-UES-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Waukesha Cnty, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Carroll College (WCCW3), 3.2 miles from here, read 18 Oct, 08:00. measured daily

Elsewhere in Wisconsin

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

Near Waukesha

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

Near Waukesha

River and lake gauges