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Morrisville, North Carolina

Town in Wake County, North Carolina

Air quality

The air at Morrisville

Index 42, good, led by fine particles. Read at 3 AM from its reporting area, Wake County (NC), 4 miles off.

42Good
  • Fine particles (PM2.5)42Good14.5 mi
  • Ozone26Good39 ppb14.5 mi
  • Coarse particles (PM10)12Good14.5 mi
  • Nitrogen dioxide1Good1.2 ppb15 mi
  • Carbon monoxide-0.1 ppm2.7 mi

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 65, moderate.

Smoke, the next 42 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Morrisville

None in the last 3 days, to Sat 2 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 Morrisville, the next 42 hours

Mist or haze: visibility falls to 2 miles Sat 6 AM.

SatSun

On the radar over Morrisville, North CarolinaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Morrisville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now4 instruments

measured daily2 instruments

Apex CoopAPXN7

At a cooperative observer's station/6.1 mi away/469 ft/132 ft above here

snowfall, snow depth, precip, high, low

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Station report

The weather at Raleigh / Durham, drawn

The nearest airport reporting now, 5.3 mi from Morrisville, North Carolina. From its report of Oct 17, 2026, 2:51 AM local time: 3 of its 6 sheets.

The sky

Broken at 3,000 ft, broken at 4,500 ft, overcast at 25,000 ft; the ceiling is 3,000 ft; visibility 10 mi or more.

Section of the sky over Raleigh / Durham, height above the station to scale: broken cloud with its base at 3,000 feet, broken cloud with its base at 4,500 feet, overcast cloud with its base at 25,000 feet, the ceiling at 3,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDUFIG. A THE SKY OVER RALEIGH / DURHAMSECTION, 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 25,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 4,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 3,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 3,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERaleigh / Durham, the skySTATION REPORT · ASOS RDUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RDU-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

68.0 F with a dew point of 53.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,400 ft up; the lowest cloud reported is at 3,000 ft.

Chart of the air at Raleigh / Durham: temperature 68.0 degrees Fahrenheit and dew point 53.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,400 feet above the station, against the lowest cloud reported at 3,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDUFIG. B THE AIR AT RALEIGH / DURHAMTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00040 F50 F60 F70 F80 FSATURATES 3,400 FT ABOVE THE STATION, AT 49.6 FLOWEST CLOUD REPORTED, BKN 3,000 FTTEMPERATURE 68.0 FDEW POINT 53.0 FSPREAD 15.0 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 POINTTITLERaleigh / Durham, the airSTATION REPORT · ASOS RDUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-RDU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 15 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Raleigh / Durham, north up: blowing from 340 degrees, the north northwest, at 15 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDUFIG. C THE WIND AT RALEIGH / DURHAMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERaleigh / Durham, the windSTATION REPORT · ASOS RDUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-RDU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in North Carolina

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

Near Morrisville

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

Near Morrisville

River and lake gauges