John Glenn Columbus International Airport (KCMH) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for John Glenn Columbus International Airport in Columbus, OH, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
John Glenn Columbus International Airport (KCMH) is one of the primary air-carrier airports serving Columbus, OH at 815 ft. KCMH reports its own METAR and publishes a TAF, and broadcasts digital ATIS (D-ATIS), decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (10L, 10R, 28L, 28R), longest 10,114 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KCMH in the ATIS Alerts Telegram bot to get a message the moment the ATIS letter changes or the weather drops below your selected minimums.
Wind from the southwest (220°) at 4 kt, visibility 10+ statute miles, broken clouds at 6,000 ft, temperature 23°C (73°F), altimeter 29.96 inHg. Conditions are Visual Flight Rules (VFR), ceiling 6,000 ft.
METAR KCMH 130451Z 22004KT 10SM BKN060 23/21 A2996 RMK AO2 SLP139 T02280211 402500206
What changed at KCMH?
Since the 0451Z (12:51 AM EDT) report, compared automatically against the latest METAR.
- Pressure falling: altimeter 29.96 → 29.94 inHg.
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Current pilot readout for KCMH
KCMH is currently VFR with winds from 220° at 4 knots, visibility 10+ statute miles, and a 6,000 ft ceiling. The strongest crosswind component is currently on runway 10L, about 3 knots. Density altitude is approximately 1,900 ft (field elevation 815 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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For pilots and crews overnighting at John Glenn Columbus International Airport (KCMH).
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D-ATIS
Digital Automatic Terminal Information Service, the live broadcast.
CMH ATIS INFO P 0551Z. 16004KT 10SM BKN120 22/21 A2994 (TWO NINER NINER FOUR) RMK AO2 SLP131 T02220211 10244 20222 58005. ILS, RWY 28L, AND, ILS, RWY 28R, SIMUL APCH IN USE. NOTAMS... TWY H CLSD BTWN TWY Z AND TWY E . MULTIPLE CONSTRUCTION CRANES, EAST OF TWY HOTEL, WEST OF THE TOWER. HAZD WX INFO AVBL FOR COLUMBUS AREA ON FSS FREQ. AP AD BCN ON CONS. ILS 10R SPECIAL AUTHORIZATION CAT1 AND CAT2 NOT AUTHORIZED. READBACK ALL RWY HOLD SHORT INSTRUCTIONS. ...ADVS YOU HAVE INFO P.
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KCMH. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 28LFAV | 10,114 ft | ASP | 2 kt head | 3 kt left |
| 28R | 8,000 ft | ASP | 2 kt head | 3 kt left |
| 10L | 8,000 ft | ASP | 2 kt tail | 3 kt right |
| 10R | 10,114 ft | ASP | 2 kt tail | 3 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→4 kt, ceiling 11,000 ft → 12,000 ft.
KCMH weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around John Glenn Columbus International Airport in Columbus, OH: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KCMH is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KCMH
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
ZZV UA /OV ZZV/TM 0408/FL370/TP B738/TB NEG
ZZV UAHeader: reporting station and UA: a routine pilot report.OV ZZVLocation: fix or navaid, optionally with a radial and distance in NM.TM 0408Reported at 04:08 UTC.FL370Altitude: 37,000 ft MSL.TP B738Aircraft type reporting.TB NEGTurbulence: none reported.Show raw report
IND UA /OV ZZV/TM 0311/FL240/TP CRJ7/TB LGT
IND UAHeader: reporting station and UA: a routine pilot report.OV ZZVLocation: fix or navaid, optionally with a radial and distance in NM.TM 0311Reported at 03:11 UTC.FL240Altitude: 24,000 ft MSL.TP CRJ7Aircraft type reporting.TB LGTTurbulence: light.Show raw report
PKB UA /OV JPU360020/TM 0245/FL180/TP BCS3/TB LGT-MOD CAT/RM ZOB
PKB UAHeader: reporting station and UA: a routine pilot report.OV JPU360020Location: fix or navaid, optionally with a radial and distance in NM.TM 0245Reported at 02:45 UTC.FL180Altitude: 18,000 ft MSL.TP BCS3Aircraft type reporting.TB LGT-MOD CATTurbulence: light to moderate clear-air turbulence.RM ZOBRemarks.Show raw report
CMH UA /OV CMH/TM 0058/FL030/TP E170/SK B030 OVC
CMH UAHeader: reporting station and UA: a routine pilot report.OV CMHLocation: fix or navaid, optionally with a radial and distance in NM.TM 0058Reported at 00:58 UTC.FL030Altitude: 3,000 ft MSL.TP E170Aircraft type reporting.SK B030 OVCSky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
LPR UA /OV DJB/TM 0004/FL250/TP C25B/TB OCNL MOD CHOP/RM ZOB
LPR UAHeader: reporting station and UA: a routine pilot report.OV DJBLocation: fix or navaid, optionally with a radial and distance in NM.TM 0004Reported at 00:04 UTC.FL250Altitude: 25,000 ft MSL.TP C25BAircraft type reporting.TB OCNL MOD CHOPTurbulence: occasional moderate chop.RM ZOBRemarks.Show raw report
CMH UA /OV CMH/TM 0003/FL040/TP B739/SK BKN042
CMH UAHeader: reporting station and UA: a routine pilot report.OV CMHLocation: fix or navaid, optionally with a radial and distance in NM.TM 0003Reported at 00:03 UTC.FL040Altitude: 4,000 ft MSL.TP B739Aircraft type reporting.SK BKN042Sky condition: cloud bases and tops in hundreds of feet MSL.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KCMH
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KCMH reported mostly VFR across 34 observations, with 9 flight-category changes. The lowest ceiling was 1,200 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 28L/28R
- 51%
- 10L/10R
- 49%
TAF | Terminal Aerodrome Forecast
Issued 0527Z (1:27 AM EDT)
TAF KCMH 130527Z 1306/1406 00000KT 3SM BR BKN006 FM130800 00000KT 1SM BR BKN004 FM131400 26004KT 3SM BR BKN012 FM131900 27007KT P6SM BKN050 PROB30 1320/1324 4SM -TSRA BKN035CB FM140000 34008KT P6SM SCT040
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Large airport
- ICAO
- KCMH
- IATA
- CMH
- FAA LID
- CMH
- City
- Columbus
- State
- Ohio
- Country
- United States
- Elevation
- 815 ft
- Coordinates
- 39.9980, -82.8919
- Runways
- 4
- Longest runway
- 10,114 ft
- Weather reporting
- METAR · D-ATIS
- TAF
- Published
- ATIS
- 124.6 MHz
- Time zone
- America/New_York
- Next sunset
- 17h 54m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
10 airports+4 more within 25 NM
25–50 NM
6 airports50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Stars Indoor Sports , Columbus, OH · 8 mi
- The Tailspinners of Central Ohio - Morse Rd , Pataskala, OH · 9 mi
- Buckeye FPV Racing - Scioto Grove Metro Park , Grove City, OH · 12 mi
Historical Flying Weather at KCMH
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KCMH reported VFR conditions during about 78.5% of valid daylight observations, with an estimated 257 VFR flying days a year. August had the most VFR weather; January had the most instrument conditions. Surface winds averaged 6.7 kt, calm 13.7% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 58.9 | 30.2 | 8.2 | 2.7 |
| Feb | 67.5 | 22.1 | 7.7 | 2.6 |
| Mar | 77.6 | 16.6 | 4.5 | 1.3 |
| Apr | 84.0 | 12.6 | 3.1 | 0.3 |
| May | 85.3 | 10.8 | 3.2 | 0.6 |
| Jun | 87.7 | 9.2 | 2.8 | 0.4 |
| Jul | 88.8 | 8.4 | 2.3 | 0.5 |
| Aug | 89.9 | 7.6 | 2.0 | 0.4 |
| Sep | 87.0 | 9.3 | 3.1 | 0.6 |
| Oct | 82.3 | 13.3 | 3.5 | 0.9 |
| Nov | 78.1 | 16.5 | 4.4 | 1.0 |
| Dec | 61.3 | 28.6 | 7.8 | 2.4 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 8.1 kt |
| Feb | 8.0 kt |
| Mar | 8.0 kt |
| Apr | 8.0 kt |
| May | 6.5 kt |
| Jun | 6.2 kt |
| Jul | 5.2 kt |
| Aug | 5.0 kt |
| Sep | 5.1 kt |
| Oct | 6.3 kt |
| Nov | 6.8 kt |
| Dec | 7.4 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KCMH airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for John Glenn Columbus International Airport in Columbus, OH shows the runway and taxiway layout across 4 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KCMH weather: frequently asked
What runways are available at KCMH?+
KCMH has 4 runways: 10L, 10R, 28L, 28R; the longest is 10,114 ft. This page computes the live crosswind for each runway end from the current wind.
Does KCMH report its own weather?+
Yes. John Glenn Columbus International Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KCMH have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KCMH broadcast D-ATIS?+
Yes. KCMH publishes digital ATIS, and the live broadcast text with its current information letter is shown on this page. The ATIS Alerts bot (@atisalerts_bot) can message you the moment the letter changes.
Where can I find the KCMH airport diagram?+
The official FAA airport diagram for John Glenn Columbus International Airport (KCMH) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for John Glenn Columbus International Airport (KCMH)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for John Glenn Columbus International Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KCMH yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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