Weaverville, California · field elev 2,350 ft
Density Altitude at Lonnie Pool Field/Weaverville (O54)
From a field elevation of 2,350 ft, a typical July afternoon at Lonnie Pool Field/Weaverville (95 °F) raises density altitude to about 5,150 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 40.3 | 1,680 ft | 49.5 | 2,295 ft |
| February | 43.3 | 1,882 ft | 55.3 | 2,675 ft |
| March | 47.2 | 2,142 ft | 61.1 | 3,050 ft |
| April | 51.8 | 2,446 ft | 67.6 | 3,464 ft |
| May | 59.4 | 2,941 ft | 77.1 | 4,059 ft |
| June | 66.3 | 3,382 ft | 86.1 | 4,610 ft |
| July | 73.7 | 3,847 ft | 95.1 | 5,150 ft ▲ |
| August | 72.3 | 3,760 ft | 94.5 | 5,114 ft ▲ |
| September | 66.2 | 3,376 ft | 88.5 | 4,755 ft |
| October | 55.8 | 2,708 ft | 75.2 | 3,941 ft |
| November | 45.4 | 2,023 ft | 57.3 | 2,805 ft |
| December | 38.6 | 1,565 ft | 46.7 | 2,109 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 O54
DENSITY ALTITUDE caution
Field elevation 2,350 ft — the air behaves like 5,144 ft.
- PRESSURE ALT
- 2,351 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 California fields
- F62 — Hayfork
Hayfork · elev 2,334 ft
- O86 — Trinity Center
Trinity Center · elev 2,390 ft
- O85 — Benton Field
Redding · elev 723 ft
- H47 — Hyampom
Hyampom · elev 1,277 ft
- KRDD — Redding Regional
Redding · elev 505 ft
- D63 — Dinsmore
Dinsmore · elev 2,393 ft
- T42 — Ruth
Ruth · elev 2,781 ft
- O21 — Hoopa
Hoopa · elev 356 ft
Frequently asked questions
How high does density altitude get at O54 in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Lonnie Pool Field/Weaverville reaches roughly 5,150 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 O54 on an average day?
It swings with the seasons: from roughly 1,565 ft at the coldest month's average temperature to about 3,847 ft at the warmest month's — all from a constant field elevation of 2,350 ft. The month-by-month table above carries the full year.
What is the field elevation of Lonnie Pool Field/Weaverville?
2,350 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O54 (FAA), in Weaverville, California.