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Princeton, Texas

City in Collin County, Texas

Air quality

The air at Princeton

Index 28, good, led by ozone. Read at 11 AM from its reporting area, Dallas-Fort Worth (TX), 32 miles off.

28Good
  • Fine particles (PM2.5)23Good-
  • Ozone28Good25 ppb15.7 mi
  • Coarse particles (PM10)24Good-

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 44, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Princeton

0.06 in in the last 24 hours, 0.09 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.09in

Visibility

How far you can see at Princeton, the next 45 hours

Visibility stays 9 miles or more through Sun 7 AM, lowest 9 miles Sun 6 AM.

FriSatSun

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

What is measuring near here

The 5 instruments nearest Princeton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now3 instruments

Mc KinneyTKI

At an airfield/4.0 mi away/587 ft/2 ft above here

temp, wind, gust, visibility, precip, pressure

Rank30of 4,689

measured daily2 instruments

Princeton 1.4 WSWTX-CLL-93

In a volunteer observer's own ground/0.7 mi away/581 ft/4 ft below here

precip, snowfall, snow depth

Rank-

Lavon ReservoirLVNT2

At a reservoir/10.8 mi away/482 ft/103 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mc Kinney, drawn

The nearest airport reporting now, 4.0 mi from Princeton, Texas. From its report of Oct 16, 2026, 10:53 AM local time: 3 of its 6 sheets.

The sky

Broken at 9,500 ft; the ceiling is 9,500 ft; visibility 10 mi or more.

Section of the sky over Mc Kinney, height above the station to scale: broken cloud with its base at 9,500 feet, the ceiling at 9,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKIFIG. A THE SKY OVER MC KINNEYSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 9,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 9,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMc Kinney, the skySTATION REPORT · ASOS TKITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TKI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

59.0 F with a dew point of 37.0 F, 44 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,000 ft up; the lowest cloud reported is at 9,500 ft.

Chart of the air at Mc Kinney: temperature 59.0 degrees Fahrenheit and dew point 37.0, 44 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,000 feet above the station, against the lowest cloud reported at 9,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKIFIG. B THE AIR AT MC KINNEYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00020 F30 F40 F50 F60 F70 FSATURATES 5,000 FT ABOVE THE STATION, AT 32.3 FLOWEST CLOUD REPORTED, BKN 9,500 FTTEMPERATURE 59.0 FDEW POINT 37.0 FSPREAD 22.0 FRELATIVE HUMIDITY 44 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 POINTTITLEMc Kinney, the airSTATION REPORT · ASOS TKITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TKI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 30 mph, gusting 38 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 45 mph.

Plan of the wind at Mc Kinney, north up: blowing from 360 degrees, the north, at 30 miles an hour, gusting 38; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKIFIG. C THE WIND AT MC KINNEYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 30 MPH7NEAR GALE32GUST, 38 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMc Kinney, the windSTATION REPORT · ASOS TKITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TKI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Texas

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

Near Princeton

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

Near Princeton

River and lake gauges