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Apex, North Carolina

Town in Wake County, North Carolina

Air quality

The air at Apex

Index 57, moderate, led by fine particles. Read at 12 AM from its reporting area, Wake County (NC), 11 miles off.

57Moderate
  • Fine particles (PM2.5)57Moderate9.8 mi
  • Ozone26Good24 ppb11 mi
  • Coarse particles (PM10)22Good11 mi
  • Nitrogen dioxide6Good6.6 ppb9.8 mi
  • Sulfur dioxide0Good0 ppb18.7 mi
  • Carbon monoxide-0.4 ppm9.8 mi

The days ahead

Highest 71, moderate, today, led by ozone. Yesterday measured 59, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 33 or under.

FriSat

Precipitation

What has fallen at Apex

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Apex, the next 44 hours

Visibility stays 5 miles or more through Sat 8 PM, lowest 6 miles Sat 9 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Apex, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

measured daily2 instruments

Apex 1.8 WNWNC-WK-238

In a volunteer observer's own ground/0.3 mi away/378 ft/1 ft below here

precip, snowfall, snow depth

Rank-

Apex CoopAPXN7

At a cooperative observer's station/2.0 mi away/469 ft/90 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Raleigh / Durham, drawn

The nearest airport reporting now, 12.1 mi from Apex, North Carolina. From its report of Oct 15, 2026, 11:51 PM local time: 3 of its 6 sheets.

The sky

Overcast at 900 ft; the ceiling is 900 ft; visibility 10 mi or more.

Section of the sky over Raleigh / Durham, height above the station to scale: overcast cloud with its base at 900 feet, the ceiling at 900 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERaleigh / Durham, the skySTATION REPORT · ASOS RDUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RDU-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

70.0 F with a dew point of 67.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Raleigh / Durham: temperature 70.0 degrees Fahrenheit and dew point 67.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 900 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 STATION01,0002,0003,00060 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 66.3 FLOWEST CLOUD REPORTED, OVC 900 FTTEMPERATURE 70.0 FDEW POINT 67.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 6DATE2026-10-16IDSR-RDU-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Raleigh / Durham, north up: blowing from 90 degrees, the east, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERaleigh / Durham, the windSTATION REPORT · ASOS RDUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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 Apex

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

Near Apex

River and lake gauges