Storm Station
Derby, Colorado
69°
Mostly clear· Feels like 69°·Light breeze 7 mph SE
Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. Southwest wind around 3 mph.
-UV
-Air quality
24%Humidity
21%Cloud

What is measuring near here

The 6 instruments nearest Derby, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

Clear Creek 4 ESE DerbyDRBC2

At a river or reservoir gauge/2.2 mi away/5,112 ft/19 ft below here

temp, wind, gust, humidity, pressure

Rank640of 1,384

070W27705RWS1RHS at Dahlia StCO204

Beside a road/4.1 mi away/5,259 ft/128 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,216of 1,384

Broomfield/JeffcoBJC

At an airfield/11.7 mi away/5,656 ft/525 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,367of 1,384

Boulder 14 W94075

At a climate reference station/35.6 mi away/9,828 ft/4,697 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Commerce City 1.1 NNECO-AD-230

In a volunteer observer's own ground/0.8 mi away/5,171 ft/40 ft above here

precip, snowfall, snow depth

Rank-

NorthglennNRTC2

At a cooperative observer's station/6.6 mi away/5,377 ft/246 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Broomfield/Jeffco, drawn

The nearest airport reporting now, 11.7 mi from Derby. From its report of Sep 27, 2026, 3:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 12,000 ft; visibility 10 mi or more.

Section of the sky over Broomfield/Jeffco, height above the station to scale: scattered cloud with its base at 12,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BJCFIG. A THE SKY OVER BROOMFIELD/JEFFCOSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 12,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEBroomfield/Jeffco, the skySTATION REPORT · ASOS BJCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-BJC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

66.2 F with a dew point of 35.6 F, 32 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,900 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Broomfield/Jeffco: temperature 66.2 degrees Fahrenheit and dew point 35.6, 32 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,900 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BJCFIG. B THE AIR AT BROOMFIELD/JEFFCOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,900 FT ABOVE THE STATION, AT 29.2 FLOWEST CLOUD REPORTED, SCT 12,000 FTTEMPERATURE 66.2 FDEW POINT 35.6 FSPREAD 30.6 FRELATIVE HUMIDITY 32 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 POINTTITLEBroomfield/Jeffco, the airSTATION REPORT · ASOS BJCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-BJC-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Broomfield/Jeffco, north up: blowing from 300 degrees, the west northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BJCFIG. C THE WIND AT BROOMFIELD/JEFFCOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBroomfield/Jeffco, the windSTATION REPORT · ASOS BJCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-BJC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Broomfield/Jeffco, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Northglenn (NRTC2), 6.6 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Colorado

41 places, each with its own forecast and its own instruments.

Near Derby

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