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Summit, Arizona

Community in Pima County, Arizona

Air quality

The air at Summit

Index 39, good, led by ozone. Read at 10 PM from its reporting area, Tucson (AZ), 13 miles off.

39Good
  • Fine particles (PM2.5)24Good12.5 mi
  • Ozone39Good38 ppb10.3 mi
  • Coarse particles (PM10)31Good9.2 mi
  • Nitrogen dioxide2Good2 ppb10.3 mi
  • Sulfur dioxide0Good0 ppb15.7 mi
  • Carbon monoxide-0.1 ppm15.7 mi

The days ahead

Highest 56, moderate, Fri Oct 16, led by ozone. Yesterday measured 44, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at Summit

None in the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Summit, the next 43 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Summit, ArizonaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Summit, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.7 miles away.

measured now4 instruments

SahuaritaAZMET-AZ38

At a river or reservoir gauge/6.7 mi away/2,756 ft/113 ft above here

temp, wind, gust, humidity, pressure

Rank1,410of 1,869

measured daily2 instruments

Tucson 5.4 SSWAZ-PM-381

In a volunteer observer's own ground/5.4 mi away/2,553 ft/90 ft below here

precip, snowfall, snow depth

Rank-

Green ValleyGRVA3

At a cooperative observer's station/12.4 mi away/2,900 ft/257 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Tucson INTL Airport, drawn

The nearest airport reporting now, 3.7 mi from Summit, Arizona. From its report of Oct 15, 2026, 9:53 PM 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 Tucson INTL Airport, 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 TUSFIG. A THE SKY OVER TUCSON INTL AIRPORTSECTION, 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 MORE0510TITLETucson INTL Airport, the skySTATION REPORT · ASOS TUSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TUS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

73.0 F with a dew point of 41.0 F, 31 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,300 ft up.

Chart of the air at Tucson INTL Airport: temperature 73.0 degrees Fahrenheit and dew point 41.0, 31 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TUSFIG. B THE AIR AT TUCSON INTL AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00020 F30 F40 F50 F60 F70 F80 FSATURATES 7,300 FT ABOVE THE STATION, AT 34.2 FTEMPERATURE 73.0 FDEW POINT 41.0 FSPREAD 32.0 FRELATIVE HUMIDITY 31 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 POINTTITLETucson INTL Airport, the airSTATION REPORT · ASOS TUSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TUS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (110 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Tucson INTL Airport, north up: blowing from 110 degrees, the east southeast, 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 TUSFIG. C THE WIND AT TUCSON INTL AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 110°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETucson INTL Airport, the windSTATION REPORT · ASOS TUSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TUS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Tucson INTL Airport, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Arizona

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

Near Summit

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

Near Summit

River and lake gauges