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Mentone, California

Community in San Bernardino County, California

Air quality

The air at Mentone

Index 33, good, led by ozone. Read at 12 AM from its reporting area, E San Bernardino (CA), 2 miles off.

33Good
  • Ozone33Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 44, 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 Mentone

None in the last 3 days, to Thu 11 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 Mentone, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mentone, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now4 instruments

measured daily2 instruments

RedlandsREDC1

At a cooperative observer's station/3.0 mi away/1,413 ft/334 ft below here

snowfall, snow depth, precip, high, low

Rank3,430of 4,465

Station report

The weather at Citizen station DW0394, drawn

The nearest instrument reporting now, 3.3 mi from Mentone, California. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station DW0394, 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 DW0394FIG. C THE WIND AT CITIZEN STATION DW0394PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station DW0394, the windSTATION REPORT · CWOP DW0394TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-DW0394-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,553 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.28 inHg and the temperature at 53.5 F; the station's altimeter setting of 29.84 inHg means its barometer reads 28.20 inHg; it reports 68.0 F, 14.5 F warmer than standard.

Section from sea level of where Citizen station DW0394 stands in the atmosphere, height to scale: the station 1,553 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.28 inches of mercury, and temperature, 53.5 degrees Fahrenheit; the altimeter setting of 29.84 and the station pressure it means, 28.20.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW0394FIG. D WHERE CITIZEN STATION DW0394 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 DW03945 PER CENT OF THE AIR BELOW IT1,553 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 HERE28.28 inHgSTANDARD TEMPERATURE HERE53.5 FALTIMETER SETTING, REPORTED29.84 inHgITS BAROMETER READS28.20 inHgTEMPERATURE, REPORTED68.0 FTITLECitizen station DW0394, the columnSTATION REPORT · CWOP DW0394TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-DW0394-2DRAWN 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 34.04 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 DW0394, angles true: on Oct 16 it stands 47 degrees above the horizon, against 79 at the June solstice, 56 at the equinoxes and 33 at the December solstice; the day is 11 h 10 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW0394FIG. E THE SUN AT CITIZEN STATION DW0394ELEVATION 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 33°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 34.04 N; THE SUN'S DECLINATION -9.1°TITLECitizen station DW0394, the sunSTATION REPORT · CWOP DW0394TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-DW0394-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station DW0394, in 4 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 Mentone

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

Near Mentone

River and lake gauges