John Glenn Columbus International Airport

KCMH / CMH

Columbus, US

Last Updated
Mar 4, 09:11Z

Current Weather

Display Units
Fresh 24 min ago
09:11Z

☀️ Day
IFR
Flight Rules
8°C
Temperature
Dewpoint: 8°C
4 kt
350°
--
Visibility
700 ft
Ceiling
Above Ground Level
1021 hPa
QNH
Altimeter Setting

Raw METAR

SPECI KCMH 040911Z 35004KT 1 1/2SM BR BKN007 OVC026 08/08 A3015 RMK AO2 T00830083

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 815 ft
BKN 700 ft AGL
OVC 2,600 ft AGL
☁️
BKN
Broken (5/8-7/8 sky coverage)
700 ft
AGL (Above Ground)
1,515 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
2,600 ft
AGL (Above Ground)
3,415 ft AMSL
QNH
1021 hPa
Sea Level Pressure
For altitude above MSL
QFE
994 hPa
Field Pressure
Height above aerodrome (815 ft)
Pressure Alt
583 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -61 ft
ISA Deviation: -5.4°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KCMH 040546Z 0406/0506 VRB03KT 3SM BR BKN004 FM040900 VRB03KT 1SM -SHRA BR OVC002 FM041300 09005KT 3SM BR OVC004 FM041700 11005KT 5SM BR BKN006 FM050100 13003KT 3SM SHRA BR OVC006 PROB30 0501/0504 2SM TSRA OVC004CB
Upcoming Changes (Next 12 Hours)
09:35Z BASE
+0h
LIFR VRB 3 kt
Visibility: 3SM
Ceiling: 400 ft
Mist
13:00Z FM041300
+4h
LIFR 90° 5 kt
Visibility: 3SM
Ceiling: 400 ft
Mist
17:00Z FM041700
+8h
IFR 110° 5 kt
Visibility: 5SM
Ceiling: 600 ft
Mist

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
CMH
10L
28R ✈️
10R
28L ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 10L/28R
Active: 28R
8,000 ft 150 ft ASP 94°
1.4 kt 3.8 kt
70° angle
✈️ 10R/28L
Active: 28L
10,125 ft 150 ft ASP 94°
1.4 kt 3.8 kt
70° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KCMH

6,217 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
65.9%
MVFR
24.9%
IFR
7.1%
LIFR
2.1%

John Glenn Columbus International Airport typically experiences VFR conditions 65.9% of the time, though instrument-rated pilots will find IFR weather present approximately 9.2% of observations. Prevailing winds are from the W averaging 8.3 knots. Calm conditions occur 13.2% of the time. Temperature extremes range from -22°C to 31°C, reflecting significant seasonal variation. The best months for VFR flying are September, October, November.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 8.3 kt
Maximum Recorded: 30 kt
Calm Winds: 13.2%
Direction Distribution:
N
10.1%
NE
6.1%
E
7.2%
SE
9.2%
S
15.4%
SW
10.7%
W
18.5%
NW
9.7%

Temperature Range

Average: 4.3°C
Range: -22°C to 31°C
-22°C 31°C

Visibility

Average: 8.7 SM
Below 3 SM: 2.8%
Fog Frequency: 3.6%

Best Months for VFR

September October November

Runway Wind Analysis

Runway 10L/28R
Favorable wind: 100%
Avg crosswind: 4.8 kt
Runway 10R/28L
Favorable wind: 100%
Avg crosswind: 4.8 kt

Statistics computed from 6,217 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

John Glenn Columbus International Airport - Airport Information

Airport Details

ICAO Code: KCMH
IATA Code: CMH
Type: large airport
Status: active
Elevation: 815 ft MSL

Location

City: Columbus
Country: US
Latitude: 39.998001°
Longitude: -82.891899°
Time Zone: Etc/GMT+6

Runway Information

Runway 10L/28R
Length: 8,000 ft
Width: 150 ft
Surface: ASP
ILS: No
Runway 10R/28L
Length: 10,125 ft
Width: 150 ft
Surface: ASP
ILS: No

About John Glenn Columbus International Airport

Overview

John Glenn Columbus International Airport serves as a major aviation hub for central Ohio, located in the state capital of Columbus. Situated at an elevation of 815 feet MSL, the airport provides critical commercial and cargo transportation services for the metropolitan region. Its two substantial runways (10L/28R at 8000ft and 10R/28L at 10,125ft) support a wide range of aircraft operations.

Flying Conditions

Central Ohio experiences variable weather conditions that can significantly impact flight operations throughout the year. The airport's moderate elevation and midwestern location mean pilots should anticipate potential wind shifts, particularly during seasonal transition periods. Temperature and pressure variations can create challenging approach conditions, especially during winter and early spring months.

Notable Features

The airport's dual parallel runways (10L/28R and 10R/28L) provide operational flexibility for different aircraft types and wind conditions. Both runways are constructed with asphalt surfaces, capable of handling large commercial aircraft and providing substantial landing/takeoff infrastructure. The airport's geographic position allows for relatively straightforward navigation approaches from multiple directions.

Approach Considerations

Runway orientation (10/28) suggests prevailing wind patterns typically favor east-west approaches. The substantial runway lengths (8000ft and 10,125ft) accommodate a diverse range of aircraft, from regional commuters to larger commercial jets. Pilots should prepare for potential crosswind conditions and be prepared to utilize the full runway length during challenging meteorological scenarios.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.