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 north (360°) at 8 kt, visibility 10+ statute miles, a few clouds at 4,800 ft, a few clouds at 6,500 ft, a few clouds at 25,000 ft, temperature 22°C (71°F), altimeter 29.80 inHg. Conditions are Visual Flight Rules (VFR).
METAR KCMH 290351Z 36008KT 10SM FEW048 FEW065 FEW250 22/18 A2980 RMK AO2 SLP085 T02170183
What changed at KCMH?
Since the 0251Z (10:51 PM EDT) report — compared automatically against the latest METAR.
No significant changes since the 0251Z report — conditions are holding steady.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KCMH's ATIS or weather changes, free →
Current pilot readout for KCMH
KCMH is currently VFR with winds from 360° at 8 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 10L, about 8 knots. Density altitude is approximately 1,950 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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Stop refreshing aviation weather manually. Track KCMH in ATIS Alerts and get notified when the ATIS changes, the airport drops below VFR, or wind and ceiling conditions move closer to your minimums.
Track KCMH free on TelegramD-ATIS
Digital Automatic Terminal Information Service — the live broadcast.
CMH ATIS INFO I 0351Z. 01008KT 10SM FEW048 FEW065 FEW250 22/18 A2980 (TWO NINER EIGHT ZERO). ILS, RWY 28L, AND, ILS, RWY 28R, SIMUL APCH IN USE. NOTAMS... TWY H CLSD BTWN TWY E AND TWY Z . MULTIPLE CONSTRUCTION CRANES, EAST OF TWY HOTEL, WEST OF THE TOWER. HAZD WX INFO AVBL FOR COLUMBUS AREA ON FSS FREQ. BIRD ACVTY VC CMH. AP AD BCN ON CONS. ILS 10R SPECIAL AUTHORIZATION CAT1 AND CAT2 NOT AUTHORIZED. READBACK ALL RWY HOLD SHORT INSTRUCTIONS. ...ADVS YOU HAVE INFO I.
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 | 1 kt head | 8 kt right |
| 28R | 8,000 ft | ASP | 1 kt head | 8 kt right |
| 10L | 8,000 ft | ASP | 1 kt tail | 8 kt left |
| 10R | 10,114 ft | ASP | 1 kt tail | 8 kt left |
Open the crosswind calculator — 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→8 kt, ceiling 11,000 ft → unlimited.
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 © OpenStreetMap © CARTO
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
CMH UA /OV GAS/TM 0108/FL290/TP LJ35/TB LGT CHOP 290-260 DURD
CMH UAHeader — reporting station and UA: a routine pilot report.OV GASLocation — fix or navaid, optionally with a radial and distance in NM.TM 0108Reported at 01:08 UTC.FL290Altitude: 29,000 ft MSL.TP LJ35Aircraft type reporting.TB LGT CHOP 290-260 DURDTurbulence: light chop 29,000–26,000 ft durd.Show raw report
CLE UA /OV 10 NW MFD/TM 2332/FL030/TP C172/SK VMC/WX 10 SM
CLE UAHeader — reporting station and UA: a routine pilot report.OV 10 NW MFDLocation — fix or navaid, optionally with a radial and distance in NM.TM 2332Reported at 23:32 UTC.FL030Altitude: 3,000 ft MSL.TP C172Aircraft type reporting.SK VMCSky condition — cloud bases and tops in hundreds of feet MSL.WX 10 SMWeather and flight visibility observed.Show raw report
LPR UA /OV DJB080015/TM 2330/FL430/TP E55P/TB OCNL MOD CHOP/RM ZOB
LPR UAHeader — reporting station and UA: a routine pilot report.OV DJB080015Location — fix or navaid, optionally with a radial and distance in NM.TM 2330Reported at 23:30 UTC.FL430Altitude: 43,000 ft MSL.TP E55PAircraft type reporting.TB OCNL MOD CHOPTurbulence: occasional moderate chop.RM ZOBRemarks.Show raw report
CVG UA /OV CVG360008/TM 2254/FLDURC/TP CRJ9/SK B042 BKN T051
CVG UAHeader — reporting station and UA: a routine pilot report.OV CVG360008Location — fix or navaid, optionally with a radial and distance in NM.TM 2254Reported at 22:54 UTC.FLDURCReported during climb.TP CRJ9Aircraft type reporting.SK B042 BKN T051Sky condition — cloud bases and tops in hundreds of feet MSL.Show raw report
CMH UA /OV MRT/TM 2251/FL100/TP C750/TB MOD TURB
CMH UAHeader — reporting station and UA: a routine pilot report.OV MRTLocation — fix or navaid, optionally with a radial and distance in NM.TM 2251Reported at 22:51 UTC.FL100Altitude: 10,000 ft MSL.TP C750Aircraft type reporting.TB MOD TURBTurbulence: moderate turb.Show raw report
CLE UA /OV 15 NW CLE/TM 2229/FLDURD/TP A21N/WX VMC/RM 075 AND BELOW
CLE UAHeader — reporting station and UA: a routine pilot report.OV 15 NW CLELocation — fix or navaid, optionally with a radial and distance in NM.TM 2229Reported at 22:29 UTC.FLDURDReported during descent.TP A21NAircraft type reporting.WX VMCWeather and flight visibility observed.RM 075 AND BELOWRemarks.⚠️ 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 a mix of conditions, most often VFR across 36 observations, with 10 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 600 ft. Wind most often came from the N.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 28L/28R
- 65%
- 10L/10R
- 35%
TAF — Terminal Aerodrome Forecast
Issued 2320Z (7:20 PM EDT)
TAF KCMH 282320Z 2900/2924 35005KT P6SM SCT250 FM291500 35012KT P6SM SCT035
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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
- 20h 54m
Run a flight school, FBO, or club here? Embed KCMH's live status on your website — free →
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
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 2608 · 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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