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Winchester, California

Community in Riverside County, California

Air quality

The air at Winchester

Index 32, good, led by ozone. Read at 12 AM from its reporting area, Lake Elsinore (CA), 14 miles off.

32Good
  • Fine particles (PM2.5)8Good-
  • Ozone32Good-
  • Coarse particles (PM10)18Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 46, 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 Winchester

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 Winchester, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Winchester, 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 now5 instruments

HemetHMT

At an airfield/4.1 mi away/1,515 ft/42 ft above here

temp, wind, gust, visibility, precip, pressure

Rank3,335of 4,465

measured daily2 instruments

Winchester 0.8 ENECA-RV-40

In a volunteer observer's own ground/1.1 mi away/1,488 ft/15 ft above here

precip, snowfall, snow depth

Rank-

San Jacinto RsSJRC1

At a cooperative observer's station/9.1 mi away/1,568 ft/95 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Citizen station EW1292, drawn

The nearest instrument reporting now, 2.7 mi from Winchester, California. From its report of undefined: 3 of its 4 sheets.

The wind

From the east northeast (68 degrees) at 11 mph, gusting 27 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Citizen station EW1292, north up: blowing from 68 degrees, the east northeast, at 11 miles an hour, gusting 27; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW1292FIG. C THE WIND AT CITIZEN STATION EW1292PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 68°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 11 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25GUST, 27 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW1292, the windSTATION REPORT · CWOP EW1292TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW1292-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,534 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.30 inHg and the temperature at 53.5 F; the station's altimeter setting of 30.01 inHg means its barometer reads 28.38 inHg; it reports 77.0 F, 23.5 F warmer than standard.

Section from sea level of where Citizen station EW1292 stands in the atmosphere, height to scale: the station 1,534 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.30 inches of mercury, and temperature, 53.5 degrees Fahrenheit; the altimeter setting of 30.01 and the station pressure it means, 28.38.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW1292FIG. D WHERE CITIZEN STATION EW1292 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 EW12925 PER CENT OF THE AIR BELOW IT1,534 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 HERE28.30 inHgSTANDARD TEMPERATURE HERE53.5 FALTIMETER SETTING, REPORTED30.01 inHgITS BAROMETER READS28.38 inHgTEMPERATURE, REPORTED77.0 FTITLECitizen station EW1292, the columnSTATION REPORT · CWOP EW1292TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW1292-2DRAWN 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 33.74 N, and the day is 11 h 11 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 EW1292, angles true: on Oct 16 it stands 47 degrees above the horizon, against 80 at the June solstice, 56 at the equinoxes and 33 at the December solstice; the day is 11 h 11 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW1292FIG. E THE SUN AT CITIZEN STATION EW1292ELEVATION 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 80°EQUINOXES 56°DECEMBER SOLSTICE 33°OCT 16, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 11 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 33.74 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW1292, the sunSTATION REPORT · CWOP EW1292TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW1292-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station EW1292, 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 Winchester

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

Near Winchester

River and lake gauges