Storm Station
Tracy, California
65° 76°/53°
Clear· Feels like 65°·Light air 3 mph WNW
Partly cloudy. Low around 57, with temperatures rising to around 59 overnight. Southwest wind around 5 mph.
0UV Low
42Air quality
45%Humidity
0%Cloud
Now
12:30 AM
65feels65
now, clear
Today
Sep 27
7653
18mph
UV 6
overcast
Mon
Sep 28
8449
12mph
UV 6
clear day
Tue
Sep 29
9458
UV 6
overcast
Wed
Sep 30
9661
UV 6
clear day
Thu
Oct 1
9864
UV 6
mostly clear day
Fri
Oct 2
10166
UV 6
partly cloudy day
Sat
Oct 3
10467
UV 6
partly cloudy day
65°
76°53°
84°49°
94°58°
96°61°
98°64°
101°66°
104°67°

As of 12:30 AM in Tracy, California.

What is measuring near here

The 4 instruments nearest Tracy, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now2 instruments

TracyTCY

At an airfield/3.0 mi away/185 ft/124 ft above here

temp, wind, gust, visibility, precip, pressure

Rank2,523of 3,115

AltamontAATC1

At a river or reservoir gauge/9.6 mi away/1,450 ft/1,389 ft above here

temp, wind, gust, humidity, pressure

Rank156of 3,115

measured daily2 instruments

Tracy 1.1 SSWCA-SJ-14

In a volunteer observer's own ground/0.6 mi away/78 ft/17 ft above here

precip, snowfall, snow depth

Rank-

Tracy Pumping PlantTRPC1

At a cooperative observer's station/9.0 mi away/56 ft/5 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Tracy, drawn

The nearest airport reporting now, 3.0 mi from Tracy. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,500 ft, broken at 2,900 ft, overcast at 4,100 ft; the ceiling is 2,500 ft; visibility 10 mi or more.

Section of the sky over Tracy, height above the station to scale: broken cloud with its base at 2,500 feet, broken cloud with its base at 2,900 feet, overcast cloud with its base at 4,100 feet, the ceiling at 2,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TCYFIG. A THE SKY OVER TRACYSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,100 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLETracy, the skySTATION REPORT · ASOS TCYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-TCY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

66.2 F with a dew point of 41.0 F, 40 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,700 ft up; the lowest cloud reported is at 2,500 ft.

Chart of the air at Tracy: temperature 66.2 degrees Fahrenheit and dew point 41.0, 40 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,700 feet above the station, against the lowest cloud reported at 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TCYFIG. B THE AIR AT TRACYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 5,700 FT ABOVE THE STATION, AT 35.6 FLOWEST CLOUD REPORTED, BKN 2,500 FTTEMPERATURE 66.2 FDEW POINT 41.0 FSPREAD 25.2 FRELATIVE HUMIDITY 40 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 POINTTITLETracy, the airSTATION REPORT · ASOS TCYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-TCY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Tracy, 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 TCYFIG. C THE WIND AT TRACYPLAN, 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 FORCE73TITLETracy, the windSTATION REPORT · ASOS TCYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-TCY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Tracy, 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 Tracy

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