Bremerton, Washington · field elev 444 ft
Density Altitude at Bremerton Ntl (KPWT)
Bremerton Ntl sits at 444 ft, and even a typical August afternoon (77 °F) only lifts density altitude to about 1,741 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 | 41.1 | −634 ft | 46.6 | −259 ft |
| February | 42.3 | −552 ft | 49.4 | −71 ft |
| March | 45.7 | −320 ft | 53.7 | 216 ft |
| April | 50.0 | −31 ft | 59.0 | 566 ft |
| May | 56.2 | 382 ft | 65.8 | 1,009 ft |
| June | 60.7 | 678 ft | 70.2 | 1,291 ft |
| July | 65.6 | 996 ft | 76.5 | 1,691 ft |
| August | 66.2 | 1,035 ft | 77.3 | 1,741 ft |
| September | 61.5 | 730 ft | 71.9 | 1,400 ft |
| October | 52.6 | 143 ft | 60.6 | 671 ft |
| November | 45.0 | −368 ft | 51.2 | 50 ft |
| December | 40.3 | −689 ft | 45.6 | −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 KPWT
DENSITY ALTITUDE
Field elevation 444 ft — the air behaves like 1,723 ft.
- PRESSURE ALT
- 445 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 Washington fields
- 8W5 — Apex Airpark
Silverdale · elev 525 ft
- 2S1 — Vashon Municipal
Vashon · elev 316 ft
- KTIW — Tacoma Narrows
Tacoma · elev 295 ft
- KSEA — Seattle-Tacoma International
Seattle · elev 432 ft
- KBFI — Boeing Field/King County International
Seattle · elev 22 ft
- KSHN — Sanderson Field
Shelton · elev 273 ft
- KRNT — Renton Municipal
Renton · elev 32 ft
- S50 — Auburn Municipal
Auburn · elev 63 ft
Frequently asked questions
How high does density altitude get at KPWT in summer?
On a typical August afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Bremerton Ntl reaches roughly 1,741 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 KPWT on an average day?
It swings with the seasons: from roughly −689 ft at the coldest month's average temperature to about 1,035 ft at the warmest month's — all from a constant field elevation of 444 ft. The month-by-month table above carries the full year.
What is the field elevation of Bremerton Ntl?
444 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPWT (ICAO) / PWT (FAA), in Bremerton, Washington.