Storm Station
Penngrove, California
61°
Partly cloudy· Feels like 61°·Light breeze 4 mph W
Cloudy. Low around 50, with temperatures rising to around 52 overnight. South southwest wind around 1 mph.
-UV
32Air quality
58%Humidity
74%Cloud

What is measuring near here

The 5 instruments nearest Penngrove, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.1 miles away.

measured now3 instruments

PetalumaO69

At an airfield/4.5 mi away/90 ft/25 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,915of 3,115

SRFD Llano RoadQSLC1

At a river or reservoir gauge/7.2 mi away/85 ft/20 ft above here

temp, wind, gust, humidity, pressure

Rank1,055of 3,115

Bodega 6 WSW93245

At a climate reference station/21.8 mi away/63 ft/2 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Cotati 1.0 SSECA-SN-131

In a volunteer observer's own ground/2.1 mi away/192 ft/127 ft above here

precip, snowfall, snow depth

Rank-

Petaluma AirportPETC1

At an airfield/4.4 mi away/76 ft/11 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Petaluma, drawn

The nearest airport reporting now, 4.5 mi from Penngrove. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 8 mi.

Section of the sky over Petaluma, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT O69FIG. A THE SKY OVER PETALUMASECTION, 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: 8 MI0510TITLEPetaluma, the skySTATION REPORT · ASOS O69TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-O69-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

51.8 F with a dew point of 51.8 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Petaluma: temperature 51.8 degrees Fahrenheit and dew point 51.8, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT O69FIG. B THE AIR AT PETALUMATHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 51.8 F, 51.8 FRELATIVE HUMIDITY 100 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 POINTTITLEPetaluma, the airSTATION REPORT · ASOS O69TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-O69-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Petaluma, 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 O69FIG. C THE WIND AT PETALUMAPLAN, 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 FORCE73TITLEPetaluma, the windSTATION REPORT · ASOS O69TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-O69-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Petaluma, 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 Penngrove

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