Storm Station
San Jose, California
59°
Mostly clear· Feels like 59°·Light air 4 mph NW
Mostly cloudy, with a low around 54. Southeast wind around 1 mph.
-UV
-Air quality
70%Humidity
33%Cloud

What is measuring near here

The 4 instruments nearest San Jose, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now2 instruments

San Jose/Reid/HillvRHV

At an airfield/2.9 mi away/135 ft/25 ft above here

temp, wind, gust, visibility, precip, pressure

Rank3,108of 3,123

Los Gatos - Guadalupe RiverGDLC1

At a river or reservoir gauge/4.2 mi away/187 ft/77 ft above here

temp, wind, gust, humidity, pressure

Rank3,038of 3,123

measured daily2 instruments

San Jose 1.2 NCA-SC-66

In a volunteer observer's own ground/1.2 mi away/117 ft/7 ft above here

precip, snowfall, snow depth

Rank-

Mount HamiltonMHAC1

At a cooperative observer's station/12.5 mi away/3,764 ft/3,654 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Los Gatos - Guadalupe River, drawn

The nearest instrument reporting now, 4.2 mi from San Jose. From its report of Sep 27, 2026, 5:00 AM local time: 3 of its 3 sheets.

The column

At 187 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.72 inHg and the temperature at 58.3 F; it reports 49.0 F, 9.3 F colder than standard.

Section from sea level of where Los Gatos - Guadalupe River stands in the atmosphere, height to scale: the station 187 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.72 inches of mercury, and temperature, 58.3 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDLC1FIG. D WHERE LOS GATOS - GUADALUPE RIVER 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 ATMOSPHERELOS GATOS - GUADALUPE RIVER1 PER CENT OF THE AIR BELOW IT187 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 HERE29.72 inHgSTANDARD TEMPERATURE HERE58.3 FTEMPERATURE, REPORTED49.0 FTITLELos Gatos - Guadalupe River, the columnSTATION REPORT · DCP GDLC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-09-27IDSR-GDLC1-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 51 degrees above the horizon at 37.25 N, and the day is 11 h 49 min long. Level ground there takes 78 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Los Gatos - Guadalupe River, angles true: on Sep 27 it stands 51 degrees above the horizon, against 76 at the June solstice, 53 at the equinoxes and 29 at the December solstice; the day is 11 h 49 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDLC1FIG. E THE SUN AT LOS GATOS - GUADALUPE RIVERELEVATION 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 53°DECEMBER SOLSTICE 29°SEP 27, 51°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 49 MINLEVEL GROUND TAKES 78 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 37.25 N; THE SUN'S DECLINATION -1.9°TITLELos Gatos - Guadalupe River, the sunSTATION REPORT · DCP GDLC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-09-27IDSR-GDLC1-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A data collection platform, 187 ft above sea level. Its report of Sep 27, 2026, 5:00 AM local time is written on the sensors that made it.

Elevation of a data collection platform, Los Gatos - Guadalupe River, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard sep 27, 2026, 5:00 am local time; air temperature, 49.0 f.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDLC1FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, SEP 27, 2026, 5:00 AM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD SEP 27, 2026, 5:00 AM LOCAL TIMEAIR TEMPERATURE49.0 FPRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLELos Gatos - Guadalupe River, the instrumentSTATION REPORT · DCP GDLC1TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-09-27IDSR-GDLC1-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of Los Gatos - Guadalupe River, in 3 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 San Jose

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