Storm Station
Belmont, California
56° 75°/51°
Overcast· Feels like 56°·Light air 3 mph W
Mostly cloudy, with a low around 54. West southwest wind around 7 mph.
0UV Low
50Air quality
86%Humidity
100%Cloud
Now
11:15 PM
56feels56
now, overcast
Today
Sep 26
7551
13mph
UV 6
overcast
Sun
Sep 27
6751
14mph
UV 6
overcast
Mon
Sep 28
7951
UV 6
clear day
Tue
Sep 29
8358
UV 6
clear day
Wed
Sep 30
8962
UV 6
clear day
Thu
Oct 1
8763
UV 6
partly cloudy day
Fri
Oct 2
8963
UV 6
overcast
56°
75°51°
67°51°
79°51°
83°58°
89°62°
87°63°
89°63°

As of 11:15 PM in Belmont, California.

What is measuring near here

The 4 instruments nearest Belmont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now2 instruments

San Carlos AirportSQL

At an airfield/2.6 mi away/3 ft/185 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3,108of 3,115

Pulgas RAWSPUGC1

A remote fire weather station/2.9 mi away/650 ft/462 ft above here

temp, wind, gust, humidity, pressure

Rank586of 3,115

measured daily2 instruments

Belmont 1.1 NECA-SM-29

In a volunteer observer's own ground/1.0 mi away/24 ft/164 ft below here

precip, snowfall, snow depth

Rank-

Redwood CityRWCC1

At a cooperative observer's station/4.1 mi away/16 ft/172 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at San Carlos Airport, drawn

The nearest airport reporting now, 2.6 mi from Belmont. From its report of Sep 26, 2026, 11:15 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 San Carlos Airport, 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 SQLFIG. A THE SKY OVER SAN CARLOS AIRPORTSECTION, 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 MORE0510TITLESan Carlos Airport, the skySTATION REPORT · ASOS SQLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SQL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.0 F with a dew point of 53.6 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 San Carlos Airport: temperature 59.0 degrees Fahrenheit and dew point 53.6, 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 SQLFIG. B THE AIR AT SAN CARLOS AIRPORTTHE 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 52.3 FTEMPERATURE 59.0 FDEW POINT 53.6 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 POINTTITLESan Carlos Airport, the airSTATION REPORT · ASOS SQLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SQL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at San Carlos Airport, 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 SQLFIG. C THE WIND AT SAN CARLOS AIRPORTPLAN, 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 FORCE73TITLESan Carlos Airport, the windSTATION REPORT · ASOS SQLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SQL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Carlos Airport, 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 Belmont

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