Storm Station
Tamalpais-Homestead Valley, California
56° 70°/54°
Mostly clear· Feels like 56°·Gentle breeze 8 mph WSW
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. Southwest wind around 6 mph.
0UV Low
47Air quality
85%Humidity
28%Cloud
Now
12:15 AM
56feels56
now, mostly clear
Today
Sep 27
7054
15mph
UV 6
overcast
Mon
Sep 28
7651
13mph
UV 6
clear day
Tue
Sep 29
7755
UV 6
clear day
Wed
Sep 30
8657
UV 6
clear day
Thu
Oct 1
7355
partly cloudy day
Fri
Oct 2
8556
partly cloudy day
Sat
Oct 3
9263
overcast
56°
70°54°
76°51°
77°55°
86°57°
73°55°
85°56°
92°63°

As of 12:15 AM in Tamalpais-Homestead Valley, California.

What is measuring near here

The 4 instruments nearest Tamalpais-Homestead Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now2 instruments

Tiburn 3NWTBNC1

At a river or reservoir gauge/2.1 mi away/11 ft/269 ft below here

temp, wind, gust, humidity, pressure

Rank1,727of 3,115

NovatoDVO

At an airfield/18.0 mi away/3 ft/277 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1,807of 3,115

measured daily2 instruments

Mill Valley 1.5 SCA-MR-13

In a volunteer observer's own ground/0.5 mi away/209 ft/71 ft below here

precip, snowfall, snow depth

Rank-

Mill Valley - Muir WoodsMUIC1

At a cooperative observer's station/2.0 mi away/850 ft/570 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Novato, drawn

The nearest airport reporting now, 18.0 mi from Tamalpais-Homestead Valley. From its report of Sep 26, 2026, 11:55 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 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 6DATE2026-09-27IDSR-DVO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.2 F with a dew point of 51.8 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up.

Chart of the air at Novato: temperature 57.2 degrees Fahrenheit and dew point 51.8, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 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 1,300 FT ABOVE THE STATION, AT 50.5 FTEMPERATURE 57.2 FDEW POINT 51.8 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 6DATE2026-09-27IDSR-DVO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Novato, 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 DVOFIG. C THE WIND AT NOVATOPLAN, 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 FORCE73TITLENovato, the windSTATION REPORT · ASOS DVOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-DVO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Novato, 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 Tamalpais-Homestead Valley

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