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Big Bear Lake, California

City in San Bernardino County, California

Air quality

The air at Big Bear Lake

Index 21, good, led by fine particles. Read at 12 AM from its reporting area, Big Bear Lake (CA), 5 miles off.

21Good
  • Fine particles (PM2.5)21Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 21, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Big Bear Lake

None in the last 3 days, to Fri 12 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 Big Bear Lake, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Big Bear Lake, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Big Bear Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

FawnskinFWSC1

At a river or reservoir gauge/1.7 mi away/6,952 ft/113 ft above here

temp, wind, gust, humidity, pressure

Rank2,089of 4,465

measured daily2 instruments

Big Bear LakeBBLC1

At a cooperative observer's station/0.4 mi away/6,804 ft/35 ft below here

snowfall, snow depth, precip, high, low

Rank-

Big Bear Lake 0.4 NNWCA-SR-78

In a volunteer observer's own ground/0.4 mi away/6,790 ft/49 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Citizen station EW9869, drawn

The nearest instrument reporting now, 1.3 mi from Big Bear Lake, California. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station EW9869, 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 EW9869FIG. C THE WIND AT CITIZEN STATION EW9869PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8GUST, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW9869, the windSTATION REPORT · CWOP EW9869TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW9869-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 6,753 ft above sea level, 22 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 23.31 inHg and the temperature at 34.9 F; the station's altimeter setting of 30.16 inHg means its barometer reads 23.49 inHg; it reports 51.0 F, 16.1 F warmer than standard.

Section from sea level of where Citizen station EW9869 stands in the atmosphere, height to scale: the station 6,753 feet above sea level with 22 per cent of the air below it; the standard atmosphere's pressure there, 23.31 inches of mercury, and temperature, 34.9 degrees Fahrenheit; the altimeter setting of 30.16 and the station pressure it means, 23.49.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9869FIG. D WHERE CITIZEN STATION EW9869 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION EW986922 PER CENT OF THE AIR BELOW IT6,753 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE23.31 inHgSTANDARD TEMPERATURE HERE34.9 FALTIMETER SETTING, REPORTED30.16 inHgITS BAROMETER READS23.49 inHgTEMPERATURE, REPORTED51.0 FTITLECitizen station EW9869, the columnSTATION REPORT · CWOP EW9869TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW9869-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 47 degrees above the horizon at 34.24 N, and the day is 11 h 10 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station EW9869, angles true: on Oct 16 it stands 47 degrees above the horizon, against 79 at the June solstice, 56 at the equinoxes and 32 at the December solstice; the day is 11 h 10 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9869FIG. E THE SUN AT CITIZEN STATION EW9869ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 79°EQUINOXES 56°DECEMBER SOLSTICE 32°OCT 16, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 10 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 34.24 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW9869, the sunSTATION REPORT · CWOP EW9869TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW9869-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station EW9869, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Big Bear Lake (BBLC1), 0.4 miles from here, read 11 Oct, 16:00. measured daily

Elsewhere in California

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

Near Big Bear Lake

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

Near Big Bear Lake

River and lake gauges