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Riverside, California

City in Riverside County, California

Air quality

The air at Riverside

Index 55, moderate, led by coarse particles. Read at 11 AM from its reporting area, Metro Riverside CO (CA), 4 miles off.

55Moderate
  • Fine particles (PM2.5)41Good4.1 mi
  • Ozone33Good39 ppb4.1 mi
  • Coarse particles (PM10)55Moderate4.1 mi
  • Nitrogen dioxide4Good4 ppb4.1 mi
  • Sulfur dioxide0Good0 ppb4.1 mi
  • Carbon monoxide-0.1 ppm4.1 mi

The days ahead

Highest 83, moderate, today, led by coarse particles. Yesterday measured 44, good.

Smoke, the next 43 hours

Little smoke near the ground through Sun 5 AM: the index from smoke stays at 11 or under.

FriSatSun

Precipitation

What has fallen at Riverside

None in the last 3 days, to Fri 10 AM. 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 Riverside, the next 43 hours

Visibility stays 10 miles or more through Sun 5 AM.

FriSatSun

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

What is measuring near here

The 7 instruments nearest Riverside, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now5 instruments

measured daily2 instruments

Riverside Fire STN #3REVC1

At a cooperative observer's station/1.5 mi away/850 ft/34 ft above here

snowfall, snow depth, precip, high, low

Rank-

Riverside 1.6 NCA-RV-7

In a volunteer observer's own ground/1.7 mi away/810 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Riverside Municipal, drawn

The nearest airport reporting now, 2.1 mi from Riverside, California. From its report of Oct 16, 2026, 10:53 AM 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 Riverside Municipal, 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 RALFIG. A THE SKY OVER RIVERSIDE MUNICIPALSECTION, 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 MORE0510TITLERiverside Municipal, the skySTATION REPORT · ASOS RALTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RAL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

85.0 F with a dew point of 39.0 F, 20 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 10,400 ft up.

Chart of the air at Riverside Municipal: temperature 85.0 degrees Fahrenheit and dew point 39.0, 20 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 10,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RALFIG. B THE AIR AT RIVERSIDE MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00020 F40 F60 F80 F100 FSATURATES 10,400 FT ABOVE THE STATION, AT 29.6 FTEMPERATURE 85.0 FDEW POINT 39.0 FSPREAD 46.0 FRELATIVE HUMIDITY 20 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 POINTTITLERiverside Municipal, the airSTATION REPORT · ASOS RALTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RAL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Riverside Municipal, north up: blowing from 40 degrees, the northeast, at 7 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 RALFIG. C THE WIND AT RIVERSIDE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERiverside Municipal, the windSTATION REPORT · ASOS RALTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RAL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Riverside Municipal, 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 Riverside

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

Near Riverside

River and lake gauges