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Durham, North Carolina

City in Durham County, North Carolina

Air quality

The air at Durham

Index 30, good, led by ozone. Read at 6 AM from its reporting area, Durham County (NC), 4 miles off.

30Good
  • Fine particles (PM2.5)17Good3.7 mi
  • Ozone30Good33 ppb3.7 mi
  • Coarse particles (PM10)9Good3.7 mi
  • Nitrogen dioxide2Good2.9 ppb9.1 mi
  • Sulfur dioxide0Good0 ppb20.1 mi
  • Carbon monoxide-0.2 ppm9.1 mi

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 69, moderate.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Durham

0.35 in in the last 24 hours, and none in the 2 days before, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.35in
Last 3 days
0.35in

Visibility

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

Mist or haze: visibility falls to 2 miles Sat 9 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Durham, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

Durham 0.8 SENC-DH-31

In a volunteer observer's own ground/0.5 mi away/377 ft/10 ft below here

precip, snowfall, snow depth

Rank-

Wtr PltCPLN7

At a cooperative observer's station/11.1 mi away/463 ft/76 ft above here

snowfall, snow depth, precip, high, low

Rank141of 2,243

Station report

The weather at Durham - Duke North Heliport, drawn

The nearest airport reporting now, 2.6 mi from Durham, North Carolina. From its report of Oct 17, 2026, 7:10 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,200 ft, overcast at 3,500 ft; the ceiling is 3,500 ft; visibility 4 mi.

Section of the sky over Durham - Duke North Heliport, height above the station to scale: scattered cloud with its base at 1,200 feet, overcast cloud with its base at 3,500 feet, the ceiling at 3,500 feet, and visibility of 4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TQVFIG. A THE SKY OVER DURHAM - DUKE NORTH HELIPORTSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,200 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,500 FTVISIBILITY, MILES: 4 MI0510TITLEDurham - Duke North Heliport, the skySTATION REPORT · ASOS TQVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-TQV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.6 F with a dew point of 51.8 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,200 ft.

Chart of the air at Durham - Duke North Heliport: temperature 53.6 degrees Fahrenheit and dew point 51.8, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TQVFIG. B THE AIR AT DURHAM - DUKE NORTH HELIPORTTHE 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 400 FT ABOVE THE STATION, AT 51.3 FLOWEST CLOUD REPORTED, SCT 1,200 FTTEMPERATURE AND DEW POINT 53.6 F, 51.8 FRELATIVE HUMIDITY 94 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 POINTTITLEDurham - Duke North Heliport, the airSTATION REPORT · ASOS TQVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-TQV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 14 mph, gusting 20 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Durham - Duke North Heliport, north up: blowing from 340 degrees, the north northwest, at 14 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TQVFIG. C THE WIND AT DURHAM - DUKE NORTH HELIPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDurham - Duke North Heliport, the windSTATION REPORT · ASOS TQVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-TQV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Durham - Duke North Heliport, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Wtr Plt (CPLN7), 11.1 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in North Carolina

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

Near Durham

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

Near Durham

River and lake gauges