Storm Station
Santa Ana, California
72° 79°/67°
Overcast· Feels like 72°·Light air 2 mph SW
Mostly cloudy, with a low around 71. Southwest wind 0 to 5 mph.
0UV Low
-Air quality
93%Humidity
93%Cloud
Now
1:30 AM
72feels72
now, overcast
Today
Sep 27
7967
UV 7
overcast
Mon
Sep 28
8064
UV 7
overcast
Tue
Sep 29
8370
UV 7
clear day
Wed
Sep 30
8571
UV 7
clear day
Thu
Oct 1
9072
UV 7
clear day
Fri
Oct 2
10175
UV 7
clear day
Sat
Oct 3
10285
UV 7
clear day
72°
79°67°
80°64°
83°70°
85°71°
90°72°
101°75°
102°85°

As of 1:30 AM in Santa Ana, California.

What is measuring near here

The 4 instruments nearest Santa Ana, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now2 instruments

Santa Ana/Jon-WayneSNA

At an airfield/4.5 mi away/52 ft/32 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 3,115

Villa Park Dam - Alert #220VLLC1

At a river or reservoir gauge/8.6 mi away/512 ft/428 ft above here

temp, wind, gust, humidity, pressure

Rank1,901of 3,115

measured daily2 instruments

Santa Ana Fire STNSTAC1

At a cooperative observer's station/1.1 mi away/125 ft/41 ft above here

snowfall, snow depth, precip, high, low

Rank-

Santa Ana 1.6 SWCA-OR-7

In a volunteer observer's own ground/1.6 mi away/50 ft/34 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Santa Ana/Jon-Wayne, drawn

The nearest airport reporting now, 4.5 mi from Santa Ana. From its report of Sep 27, 2026, 12:53 AM 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 Santa Ana/Jon-Wayne, 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 SNAFIG. A THE SKY OVER SANTA ANA/JON-WAYNESECTION, 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 MORE0510TITLESanta Ana/Jon-Wayne, the skySTATION REPORT · ASOS SNATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SNA-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

72.0 F with a dew point of 69.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Santa Ana/Jon-Wayne: temperature 72.0 degrees Fahrenheit and dew point 69.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNAFIG. B THE AIR AT SANTA ANA/JON-WAYNETHE 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 700 FT ABOVE THE STATION, AT 68.3 FTEMPERATURE 72.0 FDEW POINT 69.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLESanta Ana/Jon-Wayne, the airSTATION REPORT · ASOS SNATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SNA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Santa Ana/Jon-Wayne, 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 SNAFIG. C THE WIND AT SANTA ANA/JON-WAYNEPLAN, 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 FORCE73TITLESanta Ana/Jon-Wayne, the windSTATION REPORT · ASOS SNATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SNA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Ana/Jon-Wayne, 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 Santa Ana

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