Storm Station
Potrero, California
71° 86°/70°
Overcast· Feels like 71°·Light air 2 mph SSE
Cloudy, with a low around 70. East wind 0 to 5 mph.
0UV Low
52Air quality
34%Humidity
100%Cloud
Now
12:45 AM
71feels71
now, overcast
Today
Sep 27
8670
12%
15mph
UV 7
overcast
Mon
Sep 28
8156
16mph
UV 7
overcast
Tue
Sep 29
8353
13mph
UV 7
clear day
Wed
Sep 30
8758
UV 7
clear day
Thu
Oct 1
9563
UV 7
clear day
Fri
Oct 2
9373
23mph
UV 7
clear day
Sat
Oct 3
9372
21mph
UV 7
clear day
71°
86°70°
81°56°
83°53°
87°58°
95°63°
93°73°
93°72°

As of 12:45 AM in Potrero, California.

What is measuring near here

The 4 instruments nearest Potrero, 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

PotreroPOTC1

At a river or reservoir gauge/1.0 mi away/2,375 ft/26 ft above here

temp, wind, gust, humidity, pressure

Rank648of 3,115

San Diego/Brown FldSDM

At an airfield/22.3 mi away/525 ft/1,824 ft below here

temp, wind, gust, visibility, precip, pressure

Rank2,677of 3,115

measured daily2 instruments

CampoCPMC1

At a cooperative observer's station/7.7 mi away/2,613 ft/264 ft above here

snowfall, snow depth, precip, high, low

Rank-

Deerhorn Valley 1.3 ECA-SD-238

In a volunteer observer's own ground/8.5 mi away/2,474 ft/125 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at San Diego/Brown Fld, drawn

The nearest airport reporting now, 22.3 mi from Potrero. From its report of Sep 27, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 400 ft; visibility 10 mi or more.

Section of the sky over San Diego/Brown Fld, height above the station to scale: scattered cloud with its base at 400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDMFIG. A THE SKY OVER SAN DIEGO/BROWN FLDSECTION, 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 SHEETSCT 400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESan Diego/Brown Fld, the skySTATION REPORT · ASOS SDMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SDM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

70.0 F with a dew point of 68.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 400 ft.

Chart of the air at San Diego/Brown Fld: temperature 70.0 degrees Fahrenheit and dew point 68.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDMFIG. B THE AIR AT SAN DIEGO/BROWN FLDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 67.5 FLOWEST CLOUD REPORTED, SCT 400 FTTEMPERATURE AND DEW POINT 70.0 F, 68.0 FRELATIVE HUMIDITY 93 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 Diego/Brown Fld, the airSTATION REPORT · ASOS SDMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SDM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at San Diego/Brown Fld, north up: at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDMFIG. C THE WIND AT SAN DIEGO/BROWN FLDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESan Diego/Brown Fld, the windSTATION REPORT · ASOS SDMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SDM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Diego/Brown Fld, 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 Potrero

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