Storm Station
San Geronimo, California
63°
Partly cloudy· Feels like 63°·Light breeze 7 mph WNW
Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. West northwest wind around 5 mph.
-UV
48Air quality
64%Humidity
56%Cloud

What is measuring near here

The 5 instruments nearest San Geronimo, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.8 miles away.

measured now3 instruments

Woodacre RAWSWDAC1

A remote fire weather station/1.9 mi away/1,396 ft/1,096 ft above here

temp, wind, gust, humidity, pressure

Rank235of 3,115

NovatoDVO

At an airfield/10.8 mi away/3 ft/297 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1,807of 3,115

Bodega 6 WSW93245

At a climate reference station/30.6 mi away/63 ft/237 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Woodacre 0.4 SCA-MR-33

In a volunteer observer's own ground/1.8 mi away/626 ft/326 ft above here

precip, snowfall, snow depth

Rank-

San Rafael Civic CtrSARC1

At a cooperative observer's station/7.0 mi away/10 ft/290 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Novato, drawn

The nearest airport reporting now, 10.8 mi from San Geronimo. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 5 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Novato, 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 DVOFIG. A THE SKY OVER NOVATOSECTION, 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 MORE0510TITLENovato, the skySTATION REPORT · ASOS DVOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-DVO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.2 F with a dew point of 53.6 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at Novato: temperature 57.2 degrees Fahrenheit and dew point 53.6, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVOFIG. B THE AIR AT NOVATOTHE 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 800 FT ABOVE THE STATION, AT 52.8 FTEMPERATURE 57.2 FDEW POINT 53.6 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLENovato, the airSTATION REPORT · ASOS DVOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-DVO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 3 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.92 inHg and the temperature at 59.0 F; the station's altimeter setting of 29.89 inHg means its barometer reads 29.89 inHg; it reports 57.2 F, 1.8 F colder than standard.

Section from sea level of where Novato stands in the atmosphere, height to scale: the station 3 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.92 inches of mercury, and temperature, 59.0 degrees Fahrenheit; the altimeter setting of 29.89 and the station pressure it means, 29.89.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVOFIG. D WHERE NOVATO STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERENOVATO0 PER CENT OF THE AIR BELOW IT3 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.92 inHgSTANDARD TEMPERATURE HERE59.0 FALTIMETER SETTING, REPORTED29.89 inHgITS BAROMETER READS29.89 inHgTEMPERATURE, REPORTED57.2 FTITLENovato, the columnSTATION REPORT · ASOS DVOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-DVO-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Novato, in 5 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 San Geronimo

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