Storm Station
San Martin, California
62°
Partly cloudy· Feels like 62°·Light air 3 mph S
Patchy fog after 4am. Mostly cloudy, with a low around 52. South southeast wind around 1 mph.
-UV
35Air quality
41%Humidity
58%Cloud

What is measuring near here

The 4 instruments nearest San Martin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now2 instruments

San MartinE16

At an airfield/0.4 mi away/282 ft/5 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,922of 3,115

Gilroy 7NEGYYC1

At a river or reservoir gauge/6.3 mi away/869 ft/592 ft above here

temp, wind, gust, humidity, pressure

Rank660of 3,115

measured daily2 instruments

Gilroy 3.8 NNECA-SC-70

In a volunteer observer's own ground/2.6 mi away/287 ft/10 ft above here

precip, snowfall, snow depth

Rank-

Watsonville WaterworksWVIC1

At a cooperative observer's station/14.6 mi away/102 ft/175 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at San Martin, drawn

The nearest airport reporting now, 0.4 mi from San Martin. From its report of Sep 27, 2026, 12:10 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,300 ft, overcast at 2,000 ft; the ceiling is 1,300 ft; visibility 7 mi.

Section of the sky over San Martin, height above the station to scale: broken cloud with its base at 1,300 feet, overcast cloud with its base at 2,000 feet, the ceiling at 1,300 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT E16FIG. A THE SKY OVER SAN MARTINSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 7 MI0510TITLESan Martin, the skySTATION REPORT · ASOS E16TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-E16-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.4 F with a dew point of 51.8 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at San Martin: temperature 55.4 degrees Fahrenheit and dew point 51.8, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT E16FIG. B THE AIR AT SAN MARTINTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 800 FT ABOVE THE STATION, AT 51.0 FLOWEST CLOUD REPORTED, BKN 1,300 FTTEMPERATURE 55.4 FDEW POINT 51.8 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLESan Martin, the airSTATION REPORT · ASOS E16TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-E16-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at San Martin, 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 E16FIG. C THE WIND AT SAN MARTINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESan Martin, the windSTATION REPORT · ASOS E16TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-E16-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Martin, in 6 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 Martin

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