Waynesburg, Pennsylvania · field elev 1,069 ft
Density Altitude at Greene County (KWAY)
Greene County sits at 1,069 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,885 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 29.0 | −694 ft | 38.5 | −34 ft |
| February | 31.2 | −539 ft | 41.6 | 178 ft |
| March | 39.1 | 7 ft | 50.9 | 804 ft |
| April | 50.1 | 750 ft | 63.8 | 1,649 ft |
| May | 59.9 | 1,396 ft | 72.8 | 2,223 ft |
| June | 67.9 | 1,912 ft | 79.8 | 2,662 ft |
| July | 71.9 | 2,166 ft | 83.4 | 2,885 ft |
| August | 70.6 | 2,084 ft | 82.4 | 2,823 ft |
| September | 64.1 | 1,668 ft | 76.8 | 2,475 ft |
| October | 52.4 | 903 ft | 65.2 | 1,739 ft |
| November | 41.7 | 184 ft | 53.1 | 950 ft |
| December | 33.7 | −365 ft | 42.8 | 259 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KWAY
DENSITY ALTITUDE
Field elevation 1,069 ft — the air behaves like 2,860 ft.
- PRESSURE ALT
- 1,070 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Pennsylvania fields
- 22D — Bandel
Eighty Four · elev 1,210 ft
- KAFJ — Washington County
Washington · elev 1,184 ft
- G05 — Finleyville Airpark
Finleyville · elev 1,236 ft
- KVVS — Joseph A Hardy Connellsville
Connellsville · elev 1,264 ft
- KFWQ — Rostraver
Monongahela · elev 1,228 ft
- KAGC — Allegheny County
Pittsburgh · elev 1,252 ft
- P45 — Mount Pleasant/Scottdale
Mount Pleasant · elev 1,160 ft
- 31D — Inter County
Irwin · elev 1,250 ft
Frequently asked questions
How high does density altitude get at KWAY in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Greene County reaches roughly 2,885 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KWAY on an average day?
It swings with the seasons: from roughly −694 ft at the coldest month's average temperature to about 2,166 ft at the warmest month's — all from a constant field elevation of 1,069 ft. The month-by-month table above carries the full year.
What is the field elevation of Greene County?
1,069 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KWAY (ICAO) / WAY (FAA), in Waynesburg, Pennsylvania.