Storm Station
Walnut Creek, California
63°
Partly cloudy· Feels like 63°·Light breeze 5 mph SW
Mostly cloudy, with a low around 54. South wind around 7 mph.
-UV
-Air quality
61%Humidity
51%Cloud

What is measuring near here

The 4 instruments nearest Walnut Creek, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now2 instruments

Briones RAWSPLEC1

A remote fire weather station/4.3 mi away/1,369 ft/1,247 ft above here

temp, wind, gust, humidity, pressure

Rank591of 3,118

Concord/BuchananCCR

At an airfield/5.9 mi away/16 ft/106 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 3,118

measured daily2 instruments

Walnut Creek 2.3 WSWCA-CC-31

In a volunteer observer's own ground/1.9 mi away/252 ft/130 ft above here

precip, snowfall, snow depth

Rank-

Diablo - Mount DiabloMDJC1

At a cooperative observer's station/6.9 mi away/3,102 ft/2,980 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Concord/Buchanan, drawn

The nearest airport reporting now, 5.9 mi from Walnut Creek. From its report of Sep 27, 2026, 2:53 AM 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 Concord/Buchanan, 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 CCRFIG. A THE SKY OVER CONCORD/BUCHANANSECTION, 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 MORE0510TITLEConcord/Buchanan, the skySTATION REPORT · ASOS CCRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-CCR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.0 F with a dew point of 53.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Concord/Buchanan: temperature 59.0 degrees Fahrenheit and dew point 53.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCRFIG. B THE AIR AT CONCORD/BUCHANANTHE 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 1,400 FT ABOVE THE STATION, AT 51.6 FTEMPERATURE 59.0 FDEW POINT 53.0 FSPREAD 6.0 FRELATIVE HUMIDITY 80 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 POINTTITLEConcord/Buchanan, the airSTATION REPORT · ASOS CCRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-CCR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at Concord/Buchanan, north up: blowing from 190 degrees, the south, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCRFIG. C THE WIND AT CONCORD/BUCHANANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEConcord/Buchanan, the windSTATION REPORT · ASOS CCRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-CCR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Concord/Buchanan, 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 Walnut Creek

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