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Sweeny, Texas

City in Brazoria County, Texas

Air quality

The air at Sweeny

Index 46, good, led by fine particles. Read at 10 PM from its reporting area, Houston-Galveston-Brazoria (TX), 53 miles off.

46Good
  • Fine particles (PM2.5)46Good-
  • Ozone44Good-
  • Coarse particles (PM10)25Good-

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 48, 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 Sweeny

None in the last 24 hours; 0.02 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Sweeny, the next 46 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Sweeny, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now3 instruments

measured daily2 instruments

Station report

The weather at Bay City Regional, drawn

The nearest airport reporting now, 11.2 mi from Sweeny, 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 Bay City Regional, 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 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 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 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

The air

73.0 F with a dew point of 71.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Bay City Regional: temperature 73.0 degrees Fahrenheit and dew point 71.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; 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 STATION01,0002,0003,00060 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 70.5 FTEMPERATURE AND DEW POINT 73.0 F, 71.0 FRELATIVE HUMIDITY 93 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-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (20 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Bay City Regional, north up: blowing from 20 degrees, the north northeast, at 6 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 20°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 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 Sweeny

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

Near Sweeny

River and lake gauges