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Castalia, North Carolina

Town in Nash County, North Carolina

Air quality

The air at Castalia

Index 52, moderate, led by fine particles. Read at 11 PM from its reporting area, Edgecombe County (NC), 18 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate-
  • Ozone23Good-

The days ahead

Highest 58, moderate, today, led by ozone. Yesterday measured 67, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Castalia

None in the last 3 days, to Thu 10 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 Castalia, the next 46 hours

Dense fog: visibility falls to 0.1 miles Fri 6 AM, under a mile for 2 hours.

FriSat

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

What is measuring near here

The 5 instruments nearest Castalia, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.0 miles away.

measured now3 instruments

measured daily2 instruments

Tar River At LouisburgLOUN7

At a cooperative observer's station/13.4 mi away/200 ft/110 ft below here

snowfall, snow depth, precip, high, low

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Station report

The weather at Louisburg/Franklin_Cnty_Arpt, drawn

The nearest airport reporting now, 15.8 mi from Castalia, North Carolina. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft; visibility 5 mi.

Section of the sky over Louisburg/Franklin_Cnty_Arpt, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LHZFIG. A THE SKY OVER LOUISBURG/FRANKLIN_CNTY_ARPTSECTION, 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 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 5 MI0510TITLELouisburg/Franklin_Cnty_Arpt, the skySTATION REPORT · ASOS LHZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LHZ-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 64.4 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 800 ft.

Chart of the air at Louisburg/Franklin_Cnty_Arpt: temperature 68.0 degrees Fahrenheit and dew point 64.4, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LHZFIG. B THE AIR AT LOUISBURG/FRANKLIN_CNTY_ARPTTHE 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 800 FT ABOVE THE STATION, AT 63.5 FLOWEST CLOUD REPORTED, OVC 800 FTTEMPERATURE 68.0 FDEW POINT 64.4 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLELouisburg/Franklin_Cnty_Arpt, the airSTATION REPORT · ASOS LHZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LHZ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Louisburg/Franklin_Cnty_Arpt, north up: blowing from 100 degrees, the east, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LHZFIG. C THE WIND AT LOUISBURG/FRANKLIN_CNTY_ARPTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELouisburg/Franklin_Cnty_Arpt, the windSTATION REPORT · ASOS LHZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LHZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Louisburg/Franklin_Cnty_Arpt, 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 Castalia

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

Near Castalia

River and lake gauges