Forest, Virginia · field elev 842 ft
Density Altitude at New London (W90)
New London sits at 842 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,823 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 | 35.9 | −496 ft | 46.0 | 194 ft |
| February | 38.8 | −296 ft | 49.6 | 436 ft |
| March | 46.4 | 221 ft | 58.2 | 1,005 ft |
| April | 56.1 | 867 ft | 68.8 | 1,691 ft |
| May | 64.2 | 1,395 ft | 75.9 | 2,141 ft |
| June | 72.0 | 1,894 ft | 83.2 | 2,596 ft |
| July | 76.0 | 2,147 ft | 86.9 | 2,823 ft |
| August | 74.5 | 2,053 ft | 85.2 | 2,719 ft |
| September | 68.0 | 1,640 ft | 78.9 | 2,329 ft |
| October | 57.0 | 926 ft | 68.9 | 1,697 ft |
| November | 46.5 | 228 ft | 58.2 | 1,005 ft |
| December | 38.9 | −289 ft | 49.0 | 396 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 W90
DENSITY ALTITUDE
Field elevation 842 ft — the air behaves like 2,829 ft.
- PRESSURE ALT
- 843 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 Virginia fields
- KLYH — Lynchburg Regional/Preston Glenn Field
Lynchburg · elev 938 ft
- W24 — Falwell
Lynchburg · elev 939 ft
- W91 — Smith Mountain Lake
Moneta · elev 892 ft
- 0V4 — Brookneal/Campbell County
Brookneal · elev 597 ft
- KROA — Roanoke/Blacksburg Regional (Woodrum Field)
Roanoke · elev 1,175 ft
- W78 — William M Tuck
South Boston · elev 420 ft
- KDAN — Danville Regional
Danville · elev 571 ft
- KFVX — Farmville Regional
Farmville · elev 416 ft
Frequently asked questions
How high does density altitude get at W90 in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at New London reaches roughly 2,823 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 W90 on an average day?
It swings with the seasons: from roughly −496 ft at the coldest month's average temperature to about 2,147 ft at the warmest month's — all from a constant field elevation of 842 ft. The month-by-month table above carries the full year.
What is the field elevation of New London?
842 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W90 (FAA), in Forest, Virginia.