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Rochester Hills, Michigan

City in Oakland County, Michigan

Air quality

The air at Rochester Hills

Index 36, good, led by fine particles. Read at 12 AM from its reporting area, Southeast (MI), 16 miles off.

36Good
  • Fine particles (PM2.5)36Good13.7 mi
  • Ozone24Good17 ppb10.7 mi
  • Coarse particles (PM10)14Good24.4 mi
  • Nitrogen dioxide4Good4.7 ppb17.6 mi
  • Sulfur dioxide0Good0.4 ppb24.2 mi
  • Carbon monoxide-0 ppm19.8 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 38, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Rochester Hills

0.01 in in the last 24 hours, 0.34 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.34in

Visibility

How far you can see at Rochester Hills, the next 44 hours

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

FriSat

On the radar over Rochester Hills, MichiganReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Rochester Hills, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now4 instruments

I75N at CrooksMC141

Beside a road/4.2 mi away/817 ft/46 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

TroyVLL

At an airfield/8.5 mi away/728 ft/43 ft below here

temp, wind, gust, visibility, precip, pressure

Rank12of 979

measured daily2 instruments

Rochester Hills 1.2 SMI-OK-96

In a volunteer observer's own ground/1.2 mi away/814 ft/43 ft above here

precip, snowfall, snow depth

Rank-

Pontiac WWTPPONM4

At a water treatment plant/5.6 mi away/867 ft/96 ft above here

snowfall, snow depth, precip, high, low

Rank632of 979

Station report

The weather at Troy, drawn

The nearest airport reporting now, 8.5 mi from Rochester Hills, Michigan. From its report of Oct 16, 2026, 1:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 5 mi.

Section of the sky over Troy, height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 feet, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VLLFIG. A THE SKY OVER TROYSECTION, 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 SHEETOVC 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 5 MI0510TITLETroy, the skySTATION REPORT · ASOS VLLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-VLL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.6 F with a dew point of 60.8 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 400 ft.

Chart of the air at Troy: temperature 62.6 degrees Fahrenheit and dew point 60.8, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VLLFIG. B THE AIR AT TROYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATES 400 FT ABOVE THE STATION, AT 60.4 FLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 62.6 F, 60.8 FRELATIVE HUMIDITY 94 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 POINTTITLETroy, the airSTATION REPORT · ASOS VLLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-VLL-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Troy, north up: blowing from 220 degrees, the southwest, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VLLFIG. C THE WIND AT TROYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETroy, the windSTATION REPORT · ASOS VLLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-VLL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Pontiac WWTP (PONM4), 5.6 miles from here, read 15 Oct, 07:30. measured daily

Elsewhere in Michigan

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

Near Rochester Hills

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

Near Rochester Hills

River and lake gauges