Storm Station
Castaic, California
71° 87°/63°
Overcast· Feels like 71°·Light air 1 mph N
Mostly cloudy, with a low around 57. North wind 0 to 5 mph.
0UV Low
56Air quality
38%Humidity
100%Cloud
Now
12:45 AM
71feels71
now, overcast
Today
Sep 27
8763
15mph
UV 7
overcast
Mon
Sep 28
8355
16mph
UV 7
clear day
Tue
Sep 29
9262
UV 7
clear day
Wed
Sep 30
9162
12mph
UV 7
clear day
Thu
Oct 1
9767
13mph
UV 7
clear day
Fri
Oct 2
10073
14mph
UV 7
clear day
Sat
Oct 3
10175
UV 7
clear day
71°
87°63°
83°55°
92°62°
91°62°
97°67°
100°73°
101°75°

As of 12:45 AM in Castaic, California.

What is measuring near here

The 4 instruments nearest Castaic, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now2 instruments

Del Valle - RAWS #5187DLVC1

A remote fire weather station/4.5 mi away/1,204 ft/226 ft below here

temp, wind, gust, humidity, pressure

Rank754of 3,115

Sandburg (AUT)SDB

At an airfield/19.2 mi away/4,524 ft/3,094 ft above here

temp, wind, gust, visibility, precip, pressure

Rank44of 3,115

measured daily2 instruments

Val Verde 4.1 NNECA-LA-93

In a volunteer observer's own ground/1.6 mi away/1,300 ft/130 ft below here

precip, snowfall, snow depth

Rank-

Piru 2 ESEPRUC1

At a cooperative observer's station/8.9 mi away/737 ft/693 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sandburg (AUT), drawn

The nearest airport reporting now, 19.2 mi from Castaic. From its report of Sep 26, 2026, 11:51 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 Sandburg (AUT), 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 SDBFIG. A THE SKY OVER SANDBURG (AUT)SECTION, 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 MORE0510TITLESandburg (AUT), the skySTATION REPORT · ASOS SDBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SDB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

66.0 F with a dew point of 39.0 F, 37 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up.

Chart of the air at Sandburg (AUT): temperature 66.0 degrees Fahrenheit and dew point 39.0, 37 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDBFIG. B THE AIR AT SANDBURG (AUT)THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,100 FT ABOVE THE STATION, AT 33.2 FTEMPERATURE 66.0 FDEW POINT 39.0 FSPREAD 27.0 FRELATIVE HUMIDITY 37 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 POINTTITLESandburg (AUT), the airSTATION REPORT · ASOS SDBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SDB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Sandburg (AUT), north up: blowing from 210 degrees, the south southwest, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDBFIG. C THE WIND AT SANDBURG (AUT)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESandburg (AUT), the windSTATION REPORT · ASOS SDBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SDB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Sandburg (AUT), 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 Castaic

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