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Efland, North Carolina

Community in Orange County, North Carolina

Air quality

The air at Efland

Index 66, moderate, led by fine particles. Read at 6 AM from its reporting area, Durham County (NC), 17 miles off.

66Moderate
  • Fine particles (PM2.5)66Moderate15.8 mi
  • Ozone21Good22 ppb15.8 mi
  • Coarse particles (PM10)27Good15.8 mi

The days ahead

Highest 71, moderate, today, led by ozone. Yesterday measured 66, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Efland

None in the last 3 days, to Fri 5 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 Efland, the next 45 hours

Dense fog: visibility falls to 0.1 miles Fri 6 AM, under a mile for 1 hour.

FriSat

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

What is measuring near here

The 6 instruments nearest Efland, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now4 instruments

measured daily2 instruments

Mebane 4.2 SENC-OR-3

In a volunteer observer's own ground/2.6 mi away/669 ft/level with here

precip, snowfall, snow depth

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Station report

The weather at Durham - Duke North Heliport, drawn

The nearest airport reporting now, 14.4 mi from Efland, North Carolina. From its report of Oct 16, 2026, 5:50 AM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 4 mi.

Section of the sky over Durham - Duke North Heliport, height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 4 MI0510TITLEDurham - Duke North Heliport, the skySTATION REPORT · ASOS TQVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TQV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.0 F with a dew point of 66.2 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 400 ft.

Chart of the air at Durham - Duke North Heliport: temperature 68.0 degrees Fahrenheit and dew point 66.2, 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 400 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 STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 400 FT ABOVE THE STATION, AT 65.7 FLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 68.0 F, 66.2 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 6DATE2026-10-16IDSR-TQV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 15 mph.

Plan of the wind at Durham - Duke North Heliport, north up: blowing from 220 degrees, the southwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light 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 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDurham - Duke North Heliport, the windSTATION REPORT · ASOS TQVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

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Snow on the ground

Elsewhere in North Carolina

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

Near Efland

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

Near Efland

River and lake gauges