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.
What changed at KDAY?
Since the 0256Z (10:56 PM EDT) report — compared automatically against the latest METAR.
No significant changes since the 0256Z report — conditions are holding steady.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KDAY's weather changes, free →
Current pilot readout for KDAY
A current METAR is not available for KDAY right now. Check back shortly, review a nearby reporting station, and always confirm with an official briefing before flight.
⚠️ 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 →
Get KDAY weather alerts in Telegram
Stop refreshing aviation weather manually. Track KDAY in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.
Track KDAY free on TelegramRunway 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.
Current wind is calm — calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 06L | 10,901 ft | PEM | — | — |
| 06R | 7,285 ft | PEM | — | — |
| 18 | 8,502 ft | PEM | — | — |
| 24L | 7,285 ft | PEM | — | — |
| 24R | 10,901 ft | PEM | — | — |
| 36 | 8,502 ft | PEM | — | — |
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 9→5 kt, ceiling 2,800 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 © 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.
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 28 observations, with 4 flight-category changes. The strongest gust reached 22 kt, the lowest ceiling was 500 ft. Wind most often came from the N.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 24L/24R
- 45%
- 36
- 29%
- 06L/06R
- 19%
- 18
- 7%
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We'll message you on Telegram the moment a new METAR changes the picture at KDAY (James M. Cox Dayton International Airport) — flight category, wind, or ceiling past your minimums.
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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
- Nearest KDAY
- ATIS
- 125.8 MHz
- Time zone
- America/New_York
- Next sunset
- 20h 7m
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
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 2608 · 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?+
No — KDAY does not publish its own TAF. The nearest TAF station is KDAY, about 0 nm away.
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.
Why pilots use ATIS Alerts
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- Get pinged the moment KDAY drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays — one link, always current.
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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. METAR source temporarily unavailable.
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