Storm Station
Yosemite Valley, California
56° 75°/57°
Mostly clear· Feels like 56°·Light air 4 mph NNE
Patchy smoke. Mostly clear. Low around 49, with temperatures rising to around 51 overnight. Northeast wind around 5 mph.
0UV Low
-Air quality
25%Humidity
37%Cloud
Now
1:30 AM
56feels56
now, mostly clear
Today
Sep 27
7557
UV 6
overcast
Mon
Sep 28
6851
22%
13mph
UV 6
drizzle light
Tue
Sep 29
8053
UV 6
clear day
Wed
Sep 30
8660
UV 6
clear day
Thu
Oct 1
8864
UV 6
clear day
Fri
Oct 2
8965
UV 6
clear day
Sat
Oct 3
9066
UV 6
clear day
56°
75°57°
68°51°
80°53°
86°60°
88°64°
89°65°
90°66°

As of 1:30 AM in Yosemite Valley, California.

What is measuring near here

The 5 instruments nearest Yosemite Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Yosemite At Yosemite ValleyYYVC1

At a river or reservoir gauge/0.7 mi away/4,088 ft/69 ft above here

temp, wind, gust, humidity, pressure

Rank829of 3,115

Yosemite Village 12 W53150

At a climate reference station/12.9 mi away/6,620 ft/2,601 ft above here

temp, humidity, wind, solar, precip

Rank-

RancheriaS2236

At a soil climate station/34.2 mi away/7,200 ft/3,181 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Yosemite Park HeadquartersYPQC1

At a cooperative observer's station/0.3 mi away/4,029 ft/10 ft above here

snowfall, snow depth, precip, high, low

Rank-

Mariposa 12.5 ECA-MP-2

In a volunteer observer's own ground/21.7 mi away/2,952 ft/1,067 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Yosemite At Yosemite Valley, drawn

The nearest instrument reporting now, 0.7 mi from Yosemite Valley. From its report of Sep 27, 2026, 1:15 AM local time: 3 of its 4 sheets.

The air

52.6 F with a dew point of 39.5 F, 61 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at Yosemite At Yosemite Valley: temperature 52.6 degrees Fahrenheit and dew point 39.5, 61 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YYVC1FIG. B THE AIR AT YOSEMITE AT YOSEMITE VALLEYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 3,000 FT ABOVE THE STATION, AT 36.6 FTEMPERATURE 52.6 FDEW POINT 39.5 FSPREAD 13.1 FRELATIVE HUMIDITY 61 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 POINTTITLEYosemite At Yosemite Valley, the airSTATION REPORT · DCP YYVC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-YYVC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 4,088 ft above sea level, 14 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.76 inHg and the temperature at 44.4 F; it reports 52.6 F, 8.2 F warmer than standard.

Section from sea level of where Yosemite At Yosemite Valley stands in the atmosphere, height to scale: the station 4,088 feet above sea level with 14 per cent of the air below it; the standard atmosphere's pressure there, 25.76 inches of mercury, and temperature, 44.4 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YYVC1FIG. D WHERE YOSEMITE AT YOSEMITE VALLEY 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 ATMOSPHEREYOSEMITE AT YOSEMITE VALLEY14 PER CENT OF THE AIR BELOW IT4,088 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 HERE25.76 inHgSTANDARD TEMPERATURE HERE44.4 FTEMPERATURE, REPORTED52.6 FTITLEYosemite At Yosemite Valley, the columnSTATION REPORT · DCP YYVC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-YYVC1-2DRAWN 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 37.74 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 Yosemite At Yosemite Valley, 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 YYVC1FIG. E THE SUN AT YOSEMITE AT YOSEMITE VALLEYELEVATION 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 37.74 N; THE SUN'S DECLINATION -1.9°TITLEYosemite At Yosemite Valley, the sunSTATION REPORT · DCP YYVC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-YYVC1-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Yosemite At Yosemite Valley, 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 Yosemite Valley

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