KDAY TAF
Terminal aerodrome forecast for James M. Cox Dayton International Airport (DAY · KDAY), Dayton, OH. Issued 6 Aug 2026 2336Z, valid 0000Z to 0000Z, decoded period by period below.
All of James M. Cox Dayton International Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2336Z
valid 0000Z to 0000ZTAF KDAY 062336Z 0700/0724 35005KT P6SM BKN040 OVC150 FM070300 VRB03KT P6SM -SHRA BKN040 OVC100 TEMPO 0709/0712 5SM -TSRA BKN040CB FM071200 21006KT P6SM FEW040 BKN250 FM071800 22010KT P6SM SCT040 BKN250 TEMPO 0720/0724 5SM -TSRA BKN040CB
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0300Z | Initial | 350° at 5 kt | 6+ SM | 4,000 ft BKN | Broken at 4,000 ft AGL, Overcast at 15,000 ft AGL | VFR |
| 0300Z to 1200Z | FM | Variable at 3 kt | 6+ SM | 4,000 ft BKN | Broken at 4,000 ft AGL, Overcast at 10,000 ft AGL | VFR |
| 0900Z to 1200Z | TEMPO | Calm | 5 SM | 4,000 ft BKN | Broken at 4,000 ft AGL | MVFR |
| 1200Z to 1800Z | FM | 210° at 6 kt | 6+ SM | 25,000 ft BKN | Few at 4,000 ft AGL, Broken at 25,000 ft AGL | VFR |
| 1800Z to 0000Z | FM | 220° at 10 kt | 6+ SM | 25,000 ft BKN | Scattered at 4,000 ft AGL, Broken at 25,000 ft AGL | VFR |
| 2000Z to 0000Z | TEMPO | Calm | 5 SM | 4,000 ft BKN | Broken at 4,000 ft AGL | MVFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Frequently asked
What is the current TAF for KDAY?
The forecast issued 6 Aug 2026 2336Z for James M. Cox Dayton International Airport reads: TAF KDAY 062336Z 0700/0724 35005KT P6SM BKN040 OVC150 FM070300 VRB03KT P6SM -SHRA BKN040 OVC100 TEMPO 0709/0712 5SM -TSRA BKN040CB FM071200 21006KT P6SM FEW040 BKN250 FM071800 22010KT P6SM SCT040 BKN250 TEMPO 0720/0724 5SM -TSRA BKN040CB
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KDAY
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.