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Johnson City, Texas

City in Blanco County, Texas

Air quality

The air at Johnson City

Index 30, good, led by ozone. Read at 2 AM from its reporting area, Austin (TX), 40 miles off.

30Good
  • Fine particles (PM2.5)13Good-
  • Ozone30Good-
  • Coarse particles (PM10)10Good-

The days ahead

Highest moderate, Mon Oct 19, led by ozone. Yesterday measured 19, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Johnson City

None in the last 3 days, to Sat 1 AM. 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 Johnson City, the next 42 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

On the radar over Johnson City, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Johnson City, 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 now5 instruments

measured daily2 instruments

Johnson CityJCYT2

At a cooperative observer's station/0.8 mi away/1,217 ft/1 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Horseshoe, drawn

The nearest airport reporting now, 17.6 mi from Johnson City, Texas. From its report of Oct 17, 2026, 2:15 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 Horseshoe, 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 DZBFIG. A THE SKY OVER HORSESHOESECTION, 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 MORE0510TITLEHorseshoe, the skySTATION REPORT · ASOS DZBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-DZB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

53.8 F with a dew point of 39.6 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up.

Chart of the air at Horseshoe: temperature 53.8 degrees Fahrenheit and dew point 39.6, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DZBFIG. B THE AIR AT HORSESHOETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 FSATURATES 3,200 FT ABOVE THE STATION, AT 36.5 FTEMPERATURE 53.8 FDEW POINT 39.6 FSPREAD 14.2 FRELATIVE HUMIDITY 59 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 POINTTITLEHorseshoe, the airSTATION REPORT · ASOS DZBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-DZB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Horseshoe, north up: blowing from 360 degrees, the north, 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 DZBFIG. C THE WIND AT HORSESHOEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHorseshoe, the windSTATION REPORT · ASOS DZBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-DZB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Texas

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

Near Johnson City

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

Near Johnson City

River and lake gauges