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Oak Glen, California

Community in San Bernardino County, California

Air quality

The air at Oak Glen

Index 3, good, led by fine particles. Read at 9 PM from its reporting area, Big Bear Lake (CA), 9 miles off.

3Good
  • Fine particles (PM2.5)3Good10.4 mi
  • Ozone-45 ppb10.4 mi
  • Coarse particles (PM10)-19 mi
  • Nitrogen dioxide1Good1 ppb10.4 mi

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 21, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 33 or under.

FriSat

Precipitation

What has fallen at Oak Glen

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Oak Glen, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Oak Glen, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.4 miles away.

measured now4 instruments

measured daily2 instruments

Yucaipa 3.0 ESECA-SR-61

In a volunteer observer's own ground/3.5 mi away/3,166 ft/1,626 ft below here

precip, snowfall, snow depth

Rank-

RedlandsREDC1

At a cooperative observer's station/12.9 mi away/1,413 ft/3,379 ft below here

snowfall, snow depth, precip, high, low

Rank3,430of 4,465

Station report

The weather at Big Bear City, drawn

The nearest airport reporting now, 15.9 mi from Oak Glen, California. From its report of Oct 15, 2026, 9:35 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 Big Bear City, 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 L35FIG. A THE SKY OVER BIG BEAR CITYSECTION, 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 MORE0510TITLEBig Bear City, the skySTATION REPORT · ASOS L35TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-L35-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

52.5 F with a dew point of 30.7 F, 43 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,900 ft up.

Chart of the air at Big Bear City: temperature 52.5 degrees Fahrenheit and dew point 30.7, 43 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT L35FIG. B THE AIR AT BIG BEAR CITYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 F60 FSATURATES 4,900 FT ABOVE THE STATION, AT 26.2 FTEMPERATURE 52.5 FDEW POINT 30.7 FSPREAD 21.8 FRELATIVE HUMIDITY 43 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 POINTTITLEBig Bear City, the airSTATION REPORT · ASOS L35TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-L35-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (70 degrees) at 15 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Big Bear City, north up: blowing from 70 degrees, the east northeast, at 15 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT L35FIG. C THE WIND AT BIG BEAR CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 70°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBig Bear City, the windSTATION REPORT · ASOS L35TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-L35-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Big Bear City, 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 Oak Glen

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

Near Oak Glen

River and lake gauges