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Hollister, California

City in San Benito County, California

Air quality

The air at Hollister

Index 43, good, led by coarse particles. Read at 10 PM from its reporting area, Hollister (CA), 2 miles off.

43Good
  • Fine particles (PM2.5)24Good2.1 mi
  • Ozone41Good41 ppb2.1 mi
  • Coarse particles (PM10)43Good2.1 mi
  • Nitrogen dioxide18Good19 ppb15.9 mi
  • Carbon monoxide-0.2 ppm15.9 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 37, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Hollister

None in the last 3 days, to Thu 10 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 Hollister, the next 43 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Hollister, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now5 instruments

HollisterHSEC1

At a river or reservoir gauge/1.9 mi away/420 ft/118 ft above here

temp, wind, gust, humidity, pressure

Rank23of 4,465

measured daily2 instruments

Hollister 2HOLC1

At a cooperative observer's station/1.4 mi away/277 ft/25 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Hollister, drawn

The nearest airport reporting now, 3.4 mi from Hollister, California. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Hollister, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CVHFIG. A THE SKY OVER HOLLISTERSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHollister, the skySTATION REPORT · ASOS CVHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CVH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

62.6 F with a dew point of 32.0 F, 32 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,900 ft up.

Chart of the air at Hollister: temperature 62.6 degrees Fahrenheit and dew point 32.0, 32 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CVHFIG. B THE AIR AT HOLLISTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 6,900 FT ABOVE THE STATION, AT 25.7 FTEMPERATURE 62.6 FDEW POINT 32.0 FSPREAD 30.6 FRELATIVE HUMIDITY 32 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 POINTTITLEHollister, the airSTATION REPORT · ASOS CVHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CVH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Hollister, 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 CVHFIG. C THE WIND AT HOLLISTERPLAN, 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 FORCE73TITLEHollister, the windSTATION REPORT · ASOS CVHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CVH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Hollister, in 6 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 Hollister

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

Near Hollister

River and lake gauges