Salem, Oregon · field elev 213 ft
Density Altitude at Mcnary Field (KSLE)
Mcnary Field sits at 213 ft, and even a typical August afternoon (84 °F) only lifts density altitude to about 1,853 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 | 42.1 | −853 ft | 48.4 | −425 ft |
| February | 44.0 | −723 ft | 52.1 | −176 ft |
| March | 47.5 | −485 ft | 56.8 | 136 ft |
| April | 51.3 | −230 ft | 61.6 | 452 ft |
| May | 57.7 | 196 ft | 69.0 | 931 ft |
| June | 62.7 | 523 ft | 74.6 | 1,288 ft |
| July | 69.3 | 950 ft | 83.5 | 1,846 ft |
| August | 69.2 | 944 ft | 83.6 | 1,853 ft |
| September | 64.0 | 608 ft | 77.5 | 1,471 ft |
| October | 54.3 | −29 ft | 64.8 | 660 ft |
| November | 46.3 | −566 ft | 53.6 | −76 ft |
| December | 41.3 | −907 ft | 47.4 | −492 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 KSLE
DENSITY ALTITUDE
Field elevation 213 ft — the air behaves like 1,877 ft.
- PRESSURE ALT
- 214 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 Oregon fields
- 7S5 — Independence State
Independence · elev 180 ft
- S12 — Albany Municipal
Albany · elev 227 ft
- KMMV — Mc Minnville Municipal
Mc Minnville · elev 163 ft
- 7S9 — Lenhardt Airpark
Hubbard · elev 165 ft
- KUAO — Aurora State
Aurora · elev 200 ft
- S30 — Lebanon State
Lebanon · elev 349 ft
- 2S6 — Sportsman Airpark
Newberg · elev 181 ft
- 17S — Chehalem Airpark
Newberg · elev 190 ft
Frequently asked questions
How high does density altitude get at KSLE in summer?
On a typical August afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Mcnary Field reaches roughly 1,853 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 KSLE on an average day?
It swings with the seasons: from roughly −907 ft at the coldest month's average temperature to about 950 ft at the warmest month's — all from a constant field elevation of 213 ft. The month-by-month table above carries the full year.
What is the field elevation of Mcnary Field?
213 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSLE (ICAO) / SLE (FAA), in Salem, Oregon.