Storm Station
Sign in

Patterson, California

City in Stanislaus County, California

Air quality

The air at Patterson

Index 74, moderate, led by coarse particles. Read at 9 PM from its reporting area, Modesto (CA), 15 miles off.

74Moderate
  • Fine particles (PM2.5)62Moderate-
  • Ozone31Good-
  • Coarse particles (PM10)74Moderate-

The days ahead

Moderate each day through Fri Oct 16, led by coarse particles. Yesterday measured 64, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Patterson

None in the last 3 days, to Thu 9 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 Patterson, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Patterson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now5 instruments

Diablo GrandeDBLC1

At a river or reservoir gauge/12.8 mi away/1,867 ft/1,754 ft above here

temp, wind, gust, humidity, pressure

Rank537of 4,465

measured daily2 instruments

ModestoMODC1

At a cooperative observer's station/14.7 mi away/88 ft/25 ft below here

snowfall, snow depth, precip, high, low

Rank130of 4,465

Station report

The weather at Modesto City/Sham, drawn

The nearest airport reporting now, 14.9 mi from Patterson, California. From its report of Oct 15, 2026, 8:53 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 Modesto City/Sham, 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 MODFIG. A THE SKY OVER MODESTO CITY/SHAMSECTION, 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 MORE0510TITLEModesto City/Sham, the skySTATION REPORT · ASOS MODTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MOD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

65.0 F with a dew point of 46.0 F, 50 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,400 ft up.

Chart of the air at Modesto City/Sham: temperature 65.0 degrees Fahrenheit and dew point 46.0, 50 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MODFIG. B THE AIR AT MODESTO CITY/SHAMTHE 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 4,400 FT ABOVE THE STATION, AT 41.8 FTEMPERATURE 65.0 FDEW POINT 46.0 FSPREAD 19.0 FRELATIVE HUMIDITY 50 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 POINTTITLEModesto City/Sham, the airSTATION REPORT · ASOS MODTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MOD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Modesto City/Sham, 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 MODFIG. C THE WIND AT MODESTO CITY/SHAMPLAN, 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 FORCE73TITLEModesto City/Sham, the windSTATION REPORT · ASOS MODTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MOD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Modesto City/Sham, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Modesto (MODC1), 14.7 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in California

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

Near Patterson

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

Near Patterson

River and lake gauges