Storm Station
Cupertino, California
56° 74°/51°
Overcast· Feels like 56°·Calm 1 mph E
Mostly cloudy, with a low around 54. South wind around 2 mph.
0UV Low
44Air quality
88%Humidity
81%Cloud
Now
12:45 AM
56feels56
now, overcast
Today
Sep 27
7451
UV 6
overcast
Mon
Sep 28
8050
UV 6
clear day
Tue
Sep 29
8660
UV 6
clear day
Wed
Sep 30
8965
UV 6
clear day
Thu
Oct 1
9166
UV 6
mostly clear day
Fri
Oct 2
9167
UV 6
partly cloudy day
Sat
Oct 3
9671
UV 6
partly cloudy day
56°
74°51°
80°50°
86°60°
89°65°
91°66°
91°67°
96°71°

As of 12:45 AM in Cupertino, California.

What is measuring near here

The 4 instruments nearest Cupertino, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now2 instruments

Moffett NAS/Mtn VieNUQ

At an airfield/6.0 mi away/39 ft/226 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1,807of 3,115

Los Altos RAWSLOAC1

A remote fire weather station/6.1 mi away/479 ft/214 ft above here

temp, wind, gust, humidity, pressure

Rank266of 3,115

measured daily2 instruments

Sunnyvale 3.6 SCA-SC-43

In a volunteer observer's own ground/1.5 mi away/184 ft/81 ft below here

precip, snowfall, snow depth

Rank-

Skyline Ridge PreserveSKYC1

In a park or preserve/8.1 mi away/2,253 ft/1,988 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Moffett NAS/Mtn Vie, drawn

The nearest airport reporting now, 6.0 mi from Cupertino. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,300 ft, a few clouds at 2,100 ft; visibility 9 mi.

Section of the sky over Moffett NAS/Mtn Vie, height above the station to scale: a few clouds cloud with its base at 1,300 feet, a few clouds cloud with its base at 2,100 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NUQFIG. A THE SKY OVER MOFFETT NAS/MTN VIESECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 2,100 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYFEW 1,300 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 9 MI0510TITLEMoffett NAS/Mtn Vie, the skySTATION REPORT · ASOS NUQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-NUQ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

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; the lowest cloud reported is at 1,300 ft.

Chart of the air at Moffett NAS/Mtn Vie: 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, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NUQFIG. B THE AIR AT MOFFETT NAS/MTN VIETHE 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 FLOWEST CLOUD REPORTED, FEW 1,300 FTTEMPERATURE 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 POINTTITLEMoffett NAS/Mtn Vie, the airSTATION REPORT · ASOS NUQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-NUQ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Moffett NAS/Mtn Vie, 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 NUQFIG. C THE WIND AT MOFFETT NAS/MTN VIEPLAN, 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 FORCE73TITLEMoffett NAS/Mtn Vie, the windSTATION REPORT · ASOS NUQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-NUQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Moffett NAS/Mtn Vie, 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 Cupertino

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