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Round Rock, Texas

City in Williamson County, Texas

Air quality

The air at Round Rock

Index 41, good, led by ozone. Read at 10 PM from its reporting area, Austin (TX), 18 miles off.

41Good
  • Fine particles (PM2.5)29Good-
  • Ozone41Good-
  • Coarse particles (PM10)22Good-

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 36, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Round Rock

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 Round Rock, the next 46 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

On the radar over Round Rock, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Round Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now5 instruments

AustinEDC

At an airfield/10.8 mi away/615 ft/107 ft below here

temp, wind, gust, visibility, precip, pressure

Rank2,698of 4,689

measured daily2 instruments

Station report

The weather at Austin, drawn

The nearest airport reporting now, 10.8 mi from Round Rock, Texas. From its report of Oct 15, 2026, 10:15 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 Austin, 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 EDCFIG. A THE SKY OVER AUSTINSECTION, 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 MORE0510TITLEAustin, the skySTATION REPORT · ASOS EDCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EDC-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

75.0 F with a dew point of 63.5 F, 67 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up.

Chart of the air at Austin: temperature 75.0 degrees Fahrenheit and dew point 63.5, 67 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDCFIG. B THE AIR AT AUSTINTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 F80 F90 FSATURATES 2,700 FT ABOVE THE STATION, AT 60.8 FTEMPERATURE 75.0 FDEW POINT 63.5 FSPREAD 11.5 FRELATIVE HUMIDITY 67 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 POINTTITLEAustin, the airSTATION REPORT · ASOS EDCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EDC-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (60 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 Austin, north up: blowing from 60 degrees, the east northeast, 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 EDCFIG. C THE WIND AT AUSTINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 60°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAustin, the windSTATION REPORT · ASOS EDCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EDC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Austin - Great Hills (AGHT2), 9.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Texas

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

Near Round Rock

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

Near Round Rock

River and lake gauges