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Newcastle, Oklahoma

City in McClain County, Oklahoma

Air quality

The air at Newcastle

Index 21, good, led by fine particles. Read at 4 AM from its reporting area, Oklahoma City (OK), 19 miles off.

21Good
  • Fine particles (PM2.5)21Good8 mi
  • Ozone14Good15 ppb8 mi
  • Coarse particles (PM10)6Good-
  • Nitrogen dioxide1Good1 ppb16.9 mi
  • Carbon monoxide-0.1 ppm16.9 mi

The days ahead

Highest 80, moderate, Mon Oct 19, led by ozone. Yesterday measured 21, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Newcastle

1.85 in in the last 24 hours, 6.40 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
1.85in
Last 3 days
6.40in

Visibility

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

Visibility stays 7 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.

FriSat

On the radar over Newcastle, OklahomaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Newcastle, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now5 instruments

I-40 & I-240I40ST164

Beside a road/20.7 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

Fort Reno #1S2022

At a soil climate station/30.6 mi away/1,400 ft/176 ft above here

temp, humidity, soil temp, soil moisture

Rank580of 859

measured daily2 instruments

Newcastle 2.0 WSWOK-MC-20

In a volunteer observer's own ground/1.9 mi away/1,344 ft/120 ft above here

precip, snowfall, snow depth

Rank-

Oklahoma CityOKCO2

At a cooperative observer's station/10.4 mi away/1,309 ft/85 ft above here

snowfall, snow depth, precip, high, low

Rank74of 859

Station report

The weather at Norman/Westheimer, drawn

The nearest airport reporting now, 7.9 mi from Newcastle, Oklahoma. From its report of Oct 16, 2026, 4:35 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 Norman/Westheimer, 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 OUNFIG. A THE SKY OVER NORMAN/WESTHEIMERSECTION, 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 MORE0510TITLENorman/Westheimer, the skySTATION REPORT · ASOS OUNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OUN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

53.0 F with a dew point of 48.7 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up.

Chart of the air at Norman/Westheimer: temperature 53.0 degrees Fahrenheit and dew point 48.7, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OUNFIG. B THE AIR AT NORMAN/WESTHEIMERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 1,000 FT ABOVE THE STATION, AT 47.7 FTEMPERATURE 53.0 FDEW POINT 48.7 FSPREAD 4.3 FRELATIVE HUMIDITY 85 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 POINTTITLENorman/Westheimer, the airSTATION REPORT · ASOS OUNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OUN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 17 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Norman/Westheimer, north up: blowing from 350 degrees, the north, at 17 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OUNFIG. C THE WIND AT NORMAN/WESTHEIMERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENorman/Westheimer, the windSTATION REPORT · ASOS OUNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OUN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Oklahoma

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

Near Newcastle

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

Near Newcastle

River and lake gauges