Storm Station
Angwin, California
59° 74°/54°
Overcast· Feels like 59°·Light air 2 mph W
Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. West southwest wind around 5 mph.
0UV Low
42Air quality
50%Humidity
100%Cloud
Now
12:45 AM
59feels59
now, overcast
Today
Sep 27
7454
14mph
overcast
Mon
Sep 28
8156
13mph
clear day
Tue
Sep 29
9157
UV 6
clear day
Wed
Sep 30
9559
clear day
Thu
Oct 1
9159
partly cloudy day
Fri
Oct 2
9459
overcast
Sat
Oct 3
9864
overcast
59°
74°54°
81°56°
91°57°
95°59°
91°59°
94°59°
98°64°

As of 12:45 AM in Angwin, California.

What is measuring near here

The 5 instruments nearest Angwin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Santa RosaSTS

At an airfield/20.3 mi away/103 ft/1,540 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 3,115

Bodega 6 WSW93245

At a climate reference station/38.0 mi away/63 ft/1,580 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

St. Helena 1.1 SCA-NP-7

In a volunteer observer's own ground/5.9 mi away/248 ft/1,395 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Santa Rosa, drawn

The nearest airport reporting now, 20.3 mi from Angwin. From its report of Sep 26, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 9 mi.

Section of the sky over Santa Rosa, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STSFIG. A THE SKY OVER SANTA ROSASECTION, 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: 9 MI0510TITLESanta Rosa, the skySTATION REPORT · ASOS STSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-STS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 52.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Santa Rosa: temperature 56.0 degrees Fahrenheit and dew point 52.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STSFIG. B THE AIR AT SANTA ROSATHE 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 900 FT ABOVE THE STATION, AT 51.0 FTEMPERATURE 56.0 FDEW POINT 52.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLESanta Rosa, the airSTATION REPORT · ASOS STSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-STS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (160 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Santa Rosa, north up: blowing from 160 degrees, the south southeast, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STSFIG. C THE WIND AT SANTA ROSAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 160°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESanta Rosa, the windSTATION REPORT · ASOS STSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-STS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Rosa, 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 Angwin

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