WxDecoder

KCMH/CMH METAR & TAF John Glenn Columbus International Airport

Columbus, OhioElevation 815 ftLarge airport
CURRENT STATUS
VFR50 min old
Ceiling 25,000 ft, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
25,000 ft
lowest BKN/OVC
DENSITY ALT
408 ft
-407 ft vs field
CURRENT METAR

Decoded observation

Observed 2351Z (7:51 PM local) · 50 min old

KCMH is currently VFR. Winds are calm. Visibility is 10 statute miles. The ceiling is 25,000 feet AGL.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
Ceiling 25,000 ft
Lowest broken or overcast layer.
TEMP / DEWPOINT
14°C / 7°C
57°F / 45°F. 7°C spread.
ALTIMETER
30.40 inHg
1029.5 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: BKN RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP296
sea-level pressure 1029.6 hPa
T01390067
precise temperature 13.9°C, dew point 6.7°C
10200
6-hour maximum temperature 20.0°C
20139
6-hour minimum temperature 13.9°C
55002
3-hour pressure tendency: falling then rising (0.2 hPa change)
$
station needs maintenance
TERMINAL AERODROME FORECAST

TAF timeline

Issued 2320Z (7:20 PM local) · valid to 0000Z (8:00 PM local)

KCMH forecast starts VFR at 00Z. Conditions are roughly steady over the period.

VFR
VFR
0000Z8:00 PM0448Z12:48 AM0936Z5:36 AM1424Z10:24 AM1912Z3:12 PM0000Z8:00 PM

Codes in this report: P6SM SCT FEW

Tap any group to decode it.

FAA: no delays reported at CMH.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling 25,000 ft. Forecast suggests tonight mostly clear, low near 44F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 44 SE 2 kt – 0%
Monday Mostly Sunny 72/48 SW 3 kt – 1%
Tuesday Mostly Sunny 71/50 E 5 kt – 0%
Wednesday Mostly Sunny 72/50 SE 5 kt – 0%
Thursday Sunny 76/52 SW 7 kt – 1%
Friday Mostly Sunny 76/53 SW 4 kt – 1%
Saturday Partly Sunny 73/58 S 6 kt – 30%
Sunday Light Rain 70 S 9 kt – 75%

Source: National Weather Service (office ILN). Forecast issued 2250Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
2 runways · crosswind ranking
NESW10L28R10R28LCALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

2 runways · longest 10,114 ft

10L/28R
Dimensions
8,000 x 150 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 10L94°T
Landing length (LDA)8,000 ft
TORA / TODA / ASDA8,000 / 8,000 / 8,000 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28R274°T
Landing length (LDA)8,000 ft
TORA / TODA / ASDA8,000 / 8,000 / 8,000 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4R)
Traffic patternLeft
10R/28L
Dimensions
10,114 x 150 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 10R94°T
Landing length (LDA)10,114 ft
TORA / TODA / ASDA10,114 / 10,114 / 10,114 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28L274°T
Landing length (LDA)10,114 ft
TORA / TODA / ASDA10,114 / 10,114 / 10,114 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
408 ft
Pressure altitude
335 ft
Field elevation
815 ft MSL
Temperature
14°C (57°F)
Dewpoint
7°C (45°F)
Altimeter
30.40 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2238Z 6:38 PM
Sunrise
1153Z 7:53 AM
Loggable night
2305Z (7:05 PM local) → 1125Z (7:25 AM local)
end of evening to start of morning civil twilight
Position lights required
2238Z (6:38 PM local) → 1153Z (7:53 AM local)
sunset to sunrise (91.209)
Night passenger currency
2338Z (7:38 PM local) → 1053Z (6:53 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

John Glenn Columbus International Airport is in Columbus, Ohio. Field elevation 815 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeLarge airport
Airline serviceYes
ManagerDAREN A GRIFFIN
Manager phone614-239-4004
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAKCMH / CMH
SectionalCINCINNATI
Center (ARTCC)INDIANAPOLIS
Flight service (AFSS)DAYTON
RegionOhio
CountryUnited States
Coordinates39.9980, -82.8919
Distance from city6 NM E
SERVICES & LIGHTING
Fuel100 · Jet A-1+
Control towerTowered
BeaconSunset to sunrise · White-green (lighted land airport)
UNICOM122.950
FREQUENCIES

Communications

33.822
COLUMBUS APP/DEP
A/D
118.2
COLUMBUS APP/DEP
A/D
124.6
ATIS
ATIS
126.3
CLNC DEL
CLD
121.9
GND
GND
122.2
DAYTON RDO
RDO
132.7
TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KCMH traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
146.9
AVG OPS/DAY
177.7
Activity trend over 18 days: rising, from 86 to 184 operations per dayOperations trend (18 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Airliner 66%Unknown 15%Jet 13%Piston single 3%Turboprop 2%

Mostly airliner-class aircraft.

TOP AIRCRAFT TYPES
›E75L (Airliner) · ~170 landings/mo
›B738 (Airliner) · ~88 landings/mo
›B38M (Airliner) · ~67 landings/mo
›B737 (Airliner) · ~64 landings/mo
›B739 (Airliner) · ~52 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly jet aircraft.

›CL35 (Jet)
›CL30 (Unknown)
›UNKN (Unknown)
›LJ45 (Jet)
›CL60 (Jet)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KOSU The Ohio State University Airport - Don Scott Field
10 NM NW
VFR
KLCK Rickenbacker International Airport
11 NM S
VFR
KMNN Marion Municipal Airport
38 NM N
VFR
KSGH Springfield-Beckley Municipal Airport
45 NM W
VFR
KZZV Zanesville Municipal Airport
46 NM E
VFR
KMFD Mansfield Lahm Regional Airport
52 NM N
VFR
AIRPORT REMARKS

Operational remarks

›TWY D-5 PAVEMENT (NORTH OF TWY D) IS RSTRD TO ACFT WITH WINGSPAN LESS THAN 79 FT.
›TAXILANE CONCOURSE A BTN TWY D3 AND TWY D4 CLSD TO ACFT WINGSPAN MORE THAN 130 FT.
›RWY 10L BLAST PAD 200 FT X 200 FT.
›BE ALERT: RY 10L/28R RESTRICTIONS ON STAGE I & II TURBOJET ACFT 2200-0800 & ON STAGE III TURBOJET ACFT 2200-0700. PRACTICE APCHS FOR HIGH NOISE LEVEL TYPE ACFT INCLUDING NON-STAGE III MIL JET ACFT SHALL NOT BE APPROVED UNLESS RY 10R/28L IS IN USE & THE APCH TERMINATES IN A FULL STOP TAXI-BACK OPN.
›TWYS R2, R3, R4, R5 AND R6 RSTRD TO WINGSPAN LESS THAN 118 FT.
›BIRDS INVOF ARPT.
›TWY F1 RSTRD TO AIRCRAFT WITH WINGSPAN LESS THAN 120 FT.
›MODEL ACFT TFC WITHIN A 1 NM RDS OF A POINT 8 NM ON A 010 DEG BRG FM THE ARPT; SFC - 5000 FT AGL; SR-SS DLY.
›ALL SURFACES AROUND TERMINAL; NORTH OF TWY 'D' & SOUTH OF TWY 'E' ARE NON-MOVEMENT AREAS.
›NOISE BARRIER LOCATED AT SE SIDE OF AIRFIELD RESTRICTED TO ACFT WITH WINGSPAN LESS THAN 79 FT.
›TO REQ LDG RIGHTS CTC US CUSTOMS BETWEEN 1230-0300Z, MON-FRI AT 614-497-1865.
›TO REQUEST LANDING RIGHTS CTC US CUSTOMS BTN 0730-2200 MON-FRI AT 614-497-1865.
›PILOTS CONDUCTING EFVS OPS; BE AWARE LED ALS IN USE RWY 28L.
›FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL.
›PCR VALUE: 778/F/A/X/T
›HEL ASP: PRVDD INGRESS/EGRESS RTES USED ARE AS DIRECTED BY PORT COLUMBUS ATCT.
›HOLD PAD FOR RWY 28L RSTRD TO ACFT WITH WINGSPAN LESS THAN 118 FT.
›TAXILANE CONCOURSE C BTN TWY J AND TWY K CLSD TO ACFT WINGSPAN MORE THAN 135 FT.
›RWY 28R BLAST PAD 200 FT X 200 FT.
›PCR VALUE: 557/F/A/X/T
›TWY R1 RSTRD TO ACFT WITH WINGSPAN LESS THAN 79 FT.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗KCMH on OurAirports
FREQUENTLY ASKED
Does KCMH have a METAR?
Yes. KCMH has a current METAR observation, decoded into plain English on this page.
Does KCMH have a TAF?
Yes, a TAF is issued for KCMH; the decoded forecast timeline is shown above.
What is the field elevation at KCMH?
KCMH sits at 815 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KCMH?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.