Wiscasset, Maine · field elev 70 ft
Density Altitude at Wiscasset (KIWI)
Wiscasset sits at 70 ft, and even a typical July afternoon (79 °F) only lifts density altitude to about 1,416 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 | 22.1 | −2,437 ft | 32.2 | −1,718 ft |
| February | 24.4 | −2,271 ft | 35.0 | −1,522 ft |
| March | 32.8 | −1,676 ft | 42.6 | −996 ft |
| April | 43.3 | −948 ft | 53.9 | −233 ft |
| May | 53.6 | −253 ft | 64.8 | 484 ft |
| June | 62.9 | 360 ft | 73.7 | 1,056 ft |
| July | 68.7 | 736 ft | 79.4 | 1,416 ft |
| August | 67.6 | 665 ft | 78.6 | 1,365 ft |
| September | 60.0 | 170 ft | 70.9 | 877 ft |
| October | 48.7 | −582 ft | 59.1 | 111 ft |
| November | 38.7 | −1,265 ft | 47.9 | −636 ft |
| December | 28.6 | −1,972 ft | 37.8 | −1,327 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 KIWI
DENSITY ALTITUDE
Field elevation 70 ft — the air behaves like 1,390 ft.
- PRESSURE ALT
- 71 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 Maine fields
- 08B — Merrymeeting Field
Bowdoinham · elev 61 ft
- KBXM — Brunswick Exec
Brunswick · elev 75 ft
- ME6 — Wales
Wales · elev 210 ft
- KAUG — Augusta State
Augusta · elev 352 ft
- KLEW — Auburn/Lewiston Municipal
Auburn/Lewiston · elev 288 ft
- KRKD — Knox County Regional
Rockland · elev 55 ft
- KPWM — Portland International Jetport
Portland · elev 76 ft
- B10 — Bowman Field
Livermore Falls · elev 324 ft
Frequently asked questions
How high does density altitude get at KIWI in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Wiscasset reaches roughly 1,416 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 KIWI on an average day?
It swings with the seasons: from roughly −2,437 ft at the coldest month's average temperature to about 736 ft at the warmest month's — all from a constant field elevation of 70 ft. The month-by-month table above carries the full year.
What is the field elevation of Wiscasset?
70 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KIWI (ICAO) / IWI (FAA), in Wiscasset, Maine.