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Markham, Texas

Community in Matagorda County, Texas

Air quality

The air at Markham

Index 28, good, led by ozone. Read at 12 AM from its reporting area, Victoria (TX), 56 miles off.

28Good
  • Ozone28Good-

The days ahead

Highest moderate, Sun Oct 18, led by ozone. Yesterday measured 33, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 44 or under.

FriSat

Precipitation

What has fallen at Markham

None in the last 24 hours; 0.01 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

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

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 4 instruments nearest Markham, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.4 miles away.

measured now2 instruments

measured daily2 instruments

Bay City WaterworksBAYT2

At a cooperative observer's station/6.5 mi away/62 ft/9 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Bay City Regional, drawn

The nearest airport reporting now, 12.4 mi from Markham, Texas. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 8,000 ft; visibility 10 mi or more.

Section of the sky over Bay City Regional, height above the station to scale: a few clouds cloud with its base at 8,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BYYFIG. A THE SKY OVER BAY CITY REGIONALSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 8,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEBay City Regional, the skySTATION REPORT · ASOS BYYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BYY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

76.0 F with a dew point of 66.0 F, 71 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,300 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Bay City Regional: temperature 76.0 degrees Fahrenheit and dew point 66.0, 71 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,300 feet above the station, against the lowest cloud reported at 8,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BYYFIG. B THE AIR AT BAY CITY REGIONALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00050 F60 F70 F80 F90 FSATURATES 2,300 FT ABOVE THE STATION, AT 63.6 FLOWEST CLOUD REPORTED, FEW 8,000 FTTEMPERATURE 76.0 FDEW POINT 66.0 FSPREAD 10.0 FRELATIVE HUMIDITY 71 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 POINTTITLEBay City Regional, the airSTATION REPORT · ASOS BYYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BYY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Bay City Regional, north up: blowing from 100 degrees, the east, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BYYFIG. C THE WIND AT BAY CITY REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBay City Regional, the windSTATION REPORT · ASOS BYYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BYY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Bay City Regional, 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 Markham

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

Near Markham

River and lake gauges