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Charlotte Douglas International Airport, North Carolina

Large airport in Mecklenburg County, North Carolina

Air quality

The air at Charlotte Douglas International Airport

Index 61, moderate, led by fine particles. Read at 11 PM from its reporting area, Mecklenburg County (NC), 6 miles off.

61Moderate
  • Fine particles (PM2.5)61Moderate-
  • Ozone39Good13 ppb22.1 mi
  • Coarse particles (PM10)23Good-

The days ahead

Highest 87, moderate, today, led by ozone. Yesterday measured 77, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Charlotte Douglas International Airport

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 Charlotte Douglas International Airport, the next 46 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Sat 6 AM.

FriSat

Airfield

Code
CLT
ICAO
KCLT
IATA
CLT
Field elevation
748 ft
Serves
Charlotte
Kind
Large airport
Scheduled service
Yes
Its own instrument
CLT
Wind now
From 210° at 3 mph, read 15 Oct, 22:52

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
18C / 36C unlit10,000 ft150 ftConcrete176° / 356°2 mph head, on 18C2 mph from the right
18L / 36R8,676 ft150 ftAsphalt and concrete176° / 356°2 mph head, on 18L2 mph from the right
18R / 36L9,000 ft150 ftConcrete176° / 356°2 mph head, on 18R2 mph from the right
18C36C18L36R18R36L2,500 ftN210° 3 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Charlotte / Douglas (CLT), Charlotte Douglas International Airport's own instrument, measure by measure, on the field's own clock.

Temperature

73 F at 10 PM; 90 F at its warmest, 3 PM, and 62 F at its coolest, 6 AM.

Now
73F
10 PM
Highest
90F
3 PM
Lowest
62F
6 AM
Temperature and Dew point at Charlotte / Douglas, temperature from 62.0 to 90.0, the latest 73.0; dew point from 61.0 to 66.0, the latest 66.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF60708090Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 66 F, the air 79% saturated; the humidity ran from 42% at 3 PM to 97% at 3 AM.

Dew point now
66F
10 PM
Humidity now
79%
Humidity, range
42 to 97%
Relative humidity at Charlotte / Douglas, relative humidity from 42 to 97, the latest 79, in per cent.RELATIVE HUMIDITY%406080100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

3 mph from the south southwest at 11 PM; at its strongest 6 mph, 4 PM, and no gust reported.

Now
3mph
from the south southwest
Strongest
6mph
4 PM
Highest gust
-
none reported
Wind at Charlotte / Douglas, wind from 0 to 6, the latest 3, in miles an hour.WINDmph0246Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Charlotte / Douglas, wind direction from 160 to 340, the latest 210, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.07 inHg at 11 PM, steady over 3 hours; 0.01 inHg lower than a day before.

Now
30.07inHg
11 PM
3 hours
-0.01inHg
steady
24 hours
-0.01inHg
Pressure, altimeter at Charlotte / Douglas, pressure, altimeter from 30.05 to 30.15, the latest 30.07, in inches of mercury.PRESSURE, ALTIMETERinHg30.0530.0730.1030.1330.15Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

Down to 6 miles at 6 AM; 10 miles or more now.

Now
10+mi
Lowest
6mi
6 AM
Hours under a mile
0
Visibility at Charlotte / Douglas, visibility from 6.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 4,000 ft at 11 AM; a base was reported in 13 of the hours.

Lowest base now
-
Lowest in 24 hours
4,000ft
11 AM
Hours with a base reported
13
Lowest cloud base at Charlotte / Douglas, lowest cloud base from 4,000 to 25,000, the latest 8,000, in feet.LOWEST CLOUD BASEft010,00020,00030,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

How it is measured: ASOS, Field Book FB-INS-002

Charlotte / Douglas: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 4 instruments nearest Charlotte Douglas International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now2 instruments

Charlotte / DouglasCLT

At an airfield/0.9 mi away/748 ft/level with here

temp, wind, gust, visibility, precip, pressure

Mt Island Lake RAWSMTIN7

A remote fire weather station/11.7 mi away/715 ft/33 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Charlotte 7.4 NWNC-MK-128

In a volunteer observer's own ground/3.3 mi away/671 ft/77 ft below here

precip, snowfall, snow depth

Mountain Island DamMOUN7

At a dam/8.6 mi away/617 ft/131 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in North Carolina

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

Near Charlotte Douglas International Airport

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

Near Charlotte Douglas International Airport