James M Cox Dayton International Airport

KDAY / DAY

Dayton, US

Last Updated
Jul 6, 15:56Z

Current Weather

Display Units
Fresh 28 min ago
15:56Z

☀️ Day
VFR
Flight Rules
26°C
Temperature
Dewpoint: 20°C
3 kt
Variable
10 SM
Visibility
Ceiling
Unlimited
1016 hPa
QNH
Altimeter Setting

Raw METAR

METAR KDAY 061556Z VRB03KT 10SM SCT021 SCT050 26/20 A3000 RMK AO2 SLP152 T02610200

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 1,009 ft
SCT 2,100 ft AGL
SCT 5,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
2,100 ft
AGL (Above Ground)
3,109 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
5,000 ft
AGL (Above Ground)
6,009 ft AMSL

Weather Briefing

VFR

James M Cox Dayton International Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 2,100 feet and 10 SM visibility.

Wind Analysis

Winds are from the variable directions at 3 knots.

Visibility & Ceiling

Visibility is 10 SM. No ceiling exists. Cloud layers reported: scattered at 2,100 ft, scattered at 5,000 ft.

Temperature & Moisture

Temperature is 26°C (79°F) with a dewpoint of 20°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 23 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1016 hPa
Sea Level Pressure
For altitude above MSL
QFE
982 hPa
Field Pressure
Height above aerodrome (1,009 ft)
Pressure Alt
927 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,489 ft
ISA Deviation: +13.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KDAY 061253Z 0613/0712 32005KT P6SM BKN009 FM061500 35008KT P6SM SCT015 SCT040 FM070200 02006KT P6SM SCT060 FM070600 36005KT P6SM SCT015
Upcoming Changes (Next 12 Hours)
16:23Z BASE
+0h
IFR 320° 5 kt
Visibility: >6SM
Ceiling: 900 ft
02:00Z FM070200
+10h
VFR 20° 6 kt
Visibility: >6SM

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
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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
DAY
06L
24R
06R
24L
18
36

Runway Information

Runway Length Width Surface Heading Wind Component
06L/24R 10,900 ft 150 ft PEM 55° No wind data
06R/24L 7,001 ft 150 ft PEM 55° No wind data
18/36 8,502 ft 150 ft PEM 178° No wind data
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KDAY

8,304 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
68.9%
MVFR
20.1%
IFR
7.4%
LIFR
3.7%

James M Cox Dayton International Airport typically experiences VFR conditions 68.9% of the time, though instrument-rated pilots will find IFR weather present approximately 11.1% of observations. Prevailing winds are from the SW averaging 9.5 knots, with gusts recorded up to 41 knots. Temperature extremes range from -21°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are July, September, October.

Wind Analysis

Prevailing Direction: SW (225°)
Average Speed: 9.5 kt
Maximum Recorded: 41 kt
Calm Winds: 5.6%
Direction Distribution:
E
8.1%
N
9%
S
15.1%
W
19.3%
NE
7.5%
NW
9.8%
SE
6.1%
SW
19.5%

Temperature Range

Average: 8.9°C
Range: -21°C to 33°C
-21°C 33°C

Visibility

Average: 13.5 SM
Below 3 SM: 3.2%
Fog Frequency: 2%

Best Months for VFR

July September October

Runway Wind Analysis

Runway 18/36
Favorable wind: 100%
Avg crosswind: 6.4 kt
Runway 06L/24R
Favorable wind: 100%
Avg crosswind: 5.3 kt
Runway 06R/24L
Favorable wind: 100%
Avg crosswind: 5.3 kt

Statistics computed from 8,304 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

James M Cox Dayton International Airport - Airport Information

Airport Details

ICAO Code: KDAY
IATA Code: DAY
Type: medium airport
Status: active
Elevation: 1,009 ft MSL

Location

City: Dayton
Country: US
Latitude: 39.902401°
Longitude: -84.219398°
Time Zone: Etc/GMT+6

Runway Information

Runway 06L/24R
Length: 10,900 ft
Width: 150 ft
Surface: PEM
ILS: No
Runway 06R/24L
Length: 7,001 ft
Width: 150 ft
Surface: PEM
ILS: No
Runway 18/36
Length: 8,502 ft
Width: 150 ft
Surface: PEM
ILS: No

About James M Cox Dayton International Airport

Overview

James M Cox Dayton International Airport serves as a medium-sized airport located in Dayton, Ohio, at an elevation of 1,009 feet MSL. Situated at coordinates 39.902401, -84.219398, the airport provides critical aviation infrastructure for the Dayton metropolitan region, featuring three precision-equipped (PEM) runways capable of handling diverse aircraft operations.

Flying Conditions

Pilots can expect predominantly favorable flying conditions, with 64.9% of observations reporting VFR conditions. The airport experiences a wide temperature range from -19°C to 31°C, with an average of 6.5°C. Western winds prevail at an average of 9.4 knots, with maximum gusts reaching 36 knots, and calm conditions occurring 7.2% of the time.

Notable Features

The airport's three runways offer excellent wind coverage, with each runway demonstrating 100% favorable wind conditions. Runway 06L/24R is the longest at 10,900 feet, providing substantial operational flexibility. Average crosswind components remain relatively modest, ranging from 5.3 to 6.6 knots across the runways.

Approach Considerations

September through November represent the most consistent VFR months for operations. Visibility averages an excellent 18.8 statute miles, with only 3.7% of observations reporting visibility below 3 miles and minimal fog occurrence at 1.6%. Pilots should anticipate generally stable approach conditions with multiple runway options to accommodate wind variations.

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.