Storm Station
El Portal, California
74°
Mostly clear· Feels like 74°·Gentle breeze 8 mph SSW
Patchy smoke before 1am. Partly cloudy. Low around 57, with temperatures rising to around 59 overnight. East northeast wind around 5 mph.
-UV
156Air quality
24%Humidity
24%Cloud

What is measuring near here

The 4 instruments nearest El Portal, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now2 instruments

El Portal WTPXODC1

At a water treatment plant/0.7 mi away/1,707 ft/720 ft below here

temp, wind, gust, humidity, pressure

Rank1,740of 3,115

Yosemite Village 12 W53150

At a climate reference station/5.3 mi away/6,620 ft/4,193 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Mariposa 7.1 ECA-MP-9

In a volunteer observer's own ground/11.8 mi away/3,210 ft/783 ft above here

precip, snowfall, snow depth

Rank-

Yosemite Park HeadquartersYPQC1

At a cooperative observer's station/12.7 mi away/4,029 ft/1,602 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at El Portal WTP, drawn

The nearest instrument reporting now, 0.7 mi from El Portal. From its report of Sep 27, 2026, 1:20 AM local time: 3 of its 4 sheets.

The air

69.3 F with a dew point of 48.8 F, 48 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,700 ft up.

Chart of the air at El Portal WTP: temperature 69.3 degrees Fahrenheit and dew point 48.8, 48 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XODC1FIG. B THE AIR AT EL PORTAL WTPTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 F70 F80 FSATURATES 4,700 FT ABOVE THE STATION, AT 44.2 FTEMPERATURE 69.3 FDEW POINT 48.8 FSPREAD 20.5 FRELATIVE HUMIDITY 48 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 POINTTITLEEl Portal WTP, the airSTATION REPORT · DCP XODC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-XODC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 1,707 ft above sea level, 6 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.12 inHg and the temperature at 52.9 F; it reports 69.3 F, 16.4 F warmer than standard.

Section from sea level of where El Portal WTP stands in the atmosphere, height to scale: the station 1,707 feet above sea level with 6 per cent of the air below it; the standard atmosphere's pressure there, 28.12 inches of mercury, and temperature, 52.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XODC1FIG. D WHERE EL PORTAL WTP 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 ATMOSPHEREEL PORTAL WTP6 PER CENT OF THE AIR BELOW IT1,707 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 HERE28.12 inHgSTANDARD TEMPERATURE HERE52.9 FTEMPERATURE, REPORTED69.3 FTITLEEl Portal WTP, the columnSTATION REPORT · DCP XODC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-XODC1-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 50 degrees above the horizon at 37.67 N, and the day is 11 h 48 min long. Level ground there takes 77 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at El Portal WTP, angles true: on Sep 27 it stands 50 degrees above the horizon, against 76 at the June solstice, 52 at the equinoxes and 29 at the December solstice; the day is 11 h 48 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XODC1FIG. E THE SUN AT EL PORTAL WTPELEVATION 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 76°EQUINOXES 52°DECEMBER SOLSTICE 29°SEP 27, 50°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 48 MINLEVEL GROUND TAKES 77 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 37.67 N; THE SUN'S DECLINATION -1.9°TITLEEl Portal WTP, the sunSTATION REPORT · DCP XODC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-XODC1-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of El Portal WTP, in 4 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in California

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

Near El Portal

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