James M. Cox Dayton International Airport (KDAY) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for James M. Cox Dayton International Airport in Dayton, OH, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
James M. Cox Dayton International Airport (KDAY) is a regional airport serving Dayton, OH at 1,009 ft. KDAY reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 6 runways (06L, 06R, 18, 24L), longest 10,901 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 KDAY in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.
Wind from the south-southwest (210°) at 4 kt, visibility 4 statute miles, a few clouds at 100 ft, temperature 20°C (68°F), altimeter 29.96 inHg. Conditions are Marginal VFR (MVFR).
METAR KDAY 130956Z 21004KT 4SM R06L/1800V2600FT BR FEW001 20/20 A2996 RMK AO2 SLP137 VIS W-N 1 T02000200 $
What changed at KDAY?
Since the 0908Z (5:08 AM EDT) report, compared automatically against the latest METAR.
No significant changes since the 0908Z report, conditions are holding steady.
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Current pilot readout for KDAY
KDAY is currently MVFR with winds from 210° at 4 knots, visibility 4 statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 06L, about 2 knots. Density altitude is approximately 1,800 ft (field elevation 1,009 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 James M. Cox Dayton International Airport (KDAY).
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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 KDAY. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 24LFAV | 7,285 ft | PEM | 4 kt head | 2 kt left |
| 24R | 10,901 ft | PEM | 4 kt head | 2 kt left |
| 18 | 8,502 ft | PEM | 3 kt head | 2 kt right |
| 36 | 8,502 ft | PEM | 3 kt tail | 2 kt left |
| 06L | 10,901 ft | PEM | 4 kt tail | 2 kt right |
| 06R | 7,285 ft | PEM | 4 kt tail | 2 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 10→4 kt, ceiling 4,500 ft → unlimited.
KDAY weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around James M. Cox Dayton International Airport in Dayton, 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 KDAY 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 KDAY
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
GWB UA /OV GWB/TM 1006/FL300/TP B39M/TB CONS LGT CHOP
GWB UAHeader: reporting station and UA: a routine pilot report.OV GWBLocation: fix or navaid, optionally with a radial and distance in NM.TM 1006Reported at 10:06 UTC.FL300Altitude: 30,000 ft MSL.TP B39MAircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.Show raw report
FWA UA /OV FWA/TM 1006/FL240/TP E170/TB CONS LGT CHOP
FWA UAHeader: reporting station and UA: a routine pilot report.OV FWALocation: fix or navaid, optionally with a radial and distance in NM.TM 1006Reported at 10:06 UTC.FL240Altitude: 24,000 ft MSL.TP E170Aircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.Show raw report
FWA UA /OV FWA/TM 0951/FLDURC/TP CRJ2/WX HZ 4SM VIS
FWA UAHeader: reporting station and UA: a routine pilot report.OV FWALocation: fix or navaid, optionally with a radial and distance in NM.TM 0951Reported at 09:51 UTC.FLDURCReported during climb.TP CRJ2Aircraft type reporting.WX HZ 4SM VISWeather and flight visibility observed.Show raw report
CMH UA /OV CMH/TM 0933/FL020/TP E75L/SK B003 OVC/RM DURC
CMH UAHeader: reporting station and UA: a routine pilot report.OV CMHLocation: fix or navaid, optionally with a radial and distance in NM.TM 0933Reported at 09:33 UTC.FL020Altitude: 2,000 ft MSL.TP E75LAircraft type reporting.SK B003 OVCSky condition: cloud bases and tops in hundreds of feet MSL.RM DURCRemarks.Show raw report
HTS UA /OV YRK/TM 0909/FL370/TP A20N/TB INTMT LGT CHOP
HTS UAHeader: reporting station and UA: a routine pilot report.OV YRKLocation: fix or navaid, optionally with a radial and distance in NM.TM 0909Reported at 09:09 UTC.FL370Altitude: 37,000 ft MSL.TP A20NAircraft type reporting.TB INTMT LGT CHOPTurbulence: intermittent light chop.Show raw report
PKB UA /OV HOC/TM 0901/FL370/TP A320/TB LGT CHOP
PKB UAHeader: reporting station and UA: a routine pilot report.OV HOCLocation: fix or navaid, optionally with a radial and distance in NM.TM 0901Reported at 09:01 UTC.FL370Altitude: 37,000 ft MSL.TP A320Aircraft type reporting.TB LGT CHOPTurbulence: light chop.Show raw report
IMS UA /OV GVR/TM 0518/FL360/TP A321/TB CONS MOD
IMS UAHeader: reporting station and UA: a routine pilot report.OV GVRLocation: fix or navaid, optionally with a radial and distance in NM.TM 0518Reported at 05:18 UTC.FL360Altitude: 36,000 ft MSL.TP A321Aircraft type reporting.TB CONS MODTurbulence: continuous moderate.Show raw report
CVG UA /OV CVG/TM 0423/FL450/TP CL30/TB LGT CHOP
CVG UAHeader: reporting station and UA: a routine pilot report.OV CVGLocation: fix or navaid, optionally with a radial and distance in NM.TM 0423Reported at 04:23 UTC.FL450Altitude: 45,000 ft MSL.TP CL30Aircraft type reporting.TB LGT CHOPTurbulence: light chop.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KDAY
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KDAY reported a mix of conditions, most often VFR across 45 observations, with 14 flight-category changes. The strongest gust reached 16 kt, the lowest ceiling was 100 ft. Wind most often came from the SW.
Most recent change: IFR → MVFR
Most recent change: IFR → MVFR
- 24L/24R
- 43%
- 36
- 20%
- 06L/06R
- 20%
- 18
- 17%
TAF | Terminal Aerodrome Forecast
Issued 0726Z (3:26 AM EDT)
TAF KDAY 130726Z 1307/1406 VRB04KT P6SM SCT035 TEMPO 1307/1308 1SM BR FM130800 VRB03KT 3SM BR SCT003 TEMPO 1308/1312 1/2SM FG BKN003 FM131300 28008KT P6SM SCT035 PROB30 1319/1323 4SM -SHRA BKN035 FM132300 34010KT P6SM SCT045
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KDAY
- IATA
- DAY
- FAA LID
- DAY
- City
- Dayton
- State
- Ohio
- Country
- United States
- Elevation
- 1,009 ft
- Coordinates
- 39.9024, -84.2194
- Runways
- 6
- Longest runway
- 10,901 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- ATIS
- 125.8 MHz
- Time zone
- America/New_York
- Next sunset
- 13h 37m
Run a flight school, FBO, or club here? Embed KDAY'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
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 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.
- Dayton Buzzin Buzzards MAC - Wegerzyn Gardens MetroPark , Dayton, OH · 6 mi
- Dayton Wingmasters - Siebenthaler Ave , Dayton, OH · 6 mi
- Waco Historical Society Barnstormers - Waco Air Museum , Troy, OH · 8 mi
Historical Flying Weather at KDAY
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KDAY reported VFR conditions during about 77.1% of valid daylight observations, with an estimated 251 VFR flying days a year. August had the most VFR weather; January had the most instrument conditions. Surface winds averaged 8.2 kt, calm 6.3% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 55.8 | 28.1 | 10.3 | 5.8 |
| Feb | 64.3 | 22.7 | 8.0 | 5.0 |
| Mar | 73.7 | 17.1 | 6.1 | 3.1 |
| Apr | 81.7 | 12.0 | 4.7 | 1.7 |
| May | 83.7 | 10.8 | 3.9 | 1.7 |
| Jun | 87.2 | 9.0 | 3.0 | 0.8 |
| Jul | 88.5 | 8.0 | 2.5 | 0.9 |
| Aug | 89.6 | 7.5 | 1.9 | 1.1 |
| Sep | 85.7 | 8.8 | 4.0 | 1.5 |
| Oct | 81.6 | 11.5 | 4.7 | 2.2 |
| Nov | 74.9 | 16.7 | 6.0 | 2.4 |
| Dec | 56.6 | 27.9 | 9.6 | 5.8 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 9.8 kt |
| Feb | 9.6 kt |
| Mar | 9.6 kt |
| Apr | 9.5 kt |
| May | 7.9 kt |
| Jun | 7.3 kt |
| Jul | 6.3 kt |
| Aug | 6.0 kt |
| Sep | 6.3 kt |
| Oct | 8.0 kt |
| Nov | 8.7 kt |
| Dec | 9.1 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KDAY airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for James M. Cox Dayton International Airport in Dayton, OH shows the runway and taxiway layout across 6 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 ↗
KDAY weather: frequently asked
What runways are available at KDAY?+
KDAY has 6 runways: 06L, 06R, 18, 24L, 24R, 36; the longest is 10,901 ft. This page computes the live crosswind for each runway end from the current wind.
Does KDAY report its own weather?+
Yes. James M. Cox Dayton International Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KDAY have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KDAY broadcast D-ATIS?+
No. KDAY does not broadcast D-ATIS. Alerts for KDAY from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KDAY airport diagram?+
The official FAA airport diagram for James M. Cox Dayton International Airport (KDAY) 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 James M. Cox Dayton International Airport (KDAY)
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 James M. Cox Dayton 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 KDAY 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.
No D-ATIS at this airport, showing METAR.
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