Greensboro, North Carolina · field elev 822 ft
Density Altitude at Air Harbor (W88)
Air Harbor sits at 822 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,903 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 | 39.9 | −246 ft | 50.0 | 438 ft |
| February | 43.5 | −0 ft | 54.2 | 717 ft |
| March | 50.6 | 478 ft | 61.9 | 1,222 ft |
| April | 59.8 | 1,085 ft | 71.4 | 1,832 ft |
| May | 68.3 | 1,634 ft | 79.0 | 2,310 ft |
| June | 75.1 | 2,066 ft | 85.1 | 2,688 ft |
| July | 79.5 | 2,342 ft | 88.6 | 2,903 ft |
| August | 77.4 | 2,210 ft | 86.5 | 2,774 ft |
| September | 70.9 | 1,800 ft | 80.6 | 2,410 ft |
| October | 60.3 | 1,118 ft | 71.4 | 1,832 ft |
| November | 49.7 | 418 ft | 60.5 | 1,131 ft |
| December | 42.6 | −61 ft | 52.5 | 604 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 W88
DENSITY ALTITUDE
Field elevation 822 ft — the air behaves like 2,927 ft.
- PRESSURE ALT
- 823 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 North Carolina fields
- KGSO — Piedmont Triad International
Greensboro · elev 926 ft
- N83 — Ds Butler Farm And Airfield
Oak Ridge · elev 950 ft
- 3A4 — Greensboro Exec
Greensboro · elev 739 ft
- KSIF — Rockingham County Nc Shiloh
Reidsville · elev 694 ft
- N88 — Kecks
Julian · elev 724 ft
- KBUY — Burlington/Alamance Regional
Burlington · elev 616 ft
- N63 — Meadow Brook Field
Walnut Cove · elev 647 ft
- KINT — Smith Reynolds
Winston Salem · elev 969 ft
Frequently asked questions
How high does density altitude get at W88 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Air Harbor reaches roughly 2,903 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 W88 on an average day?
It swings with the seasons: from roughly −246 ft at the coldest month's average temperature to about 2,342 ft at the warmest month's — all from a constant field elevation of 822 ft. The month-by-month table above carries the full year.
What is the field elevation of Air Harbor?
822 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W88 (FAA), in Greensboro, North Carolina.