Worcester, Massachusetts · field elev 1,009 ft
Density Altitude at Worcester Regional (KORH)
Worcester Regional sits at 1,009 ft, and even a typical July afternoon (80 °F) only lifts density altitude to about 2,589 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 | 24.7 | −1,072 ft | 32.3 | −538 ft |
| February | 27.0 | −909 ft | 35.1 | −343 ft |
| March | 34.5 | −385 ft | 43.0 | 198 ft |
| April | 46.1 | 408 ft | 55.7 | 1,047 ft |
| May | 56.7 | 1,113 ft | 66.6 | 1,755 ft |
| June | 65.2 | 1,665 ft | 74.5 | 2,257 ft |
| July | 70.8 | 2,023 ft | 79.8 | 2,589 ft |
| August | 69.3 | 1,928 ft | 78.1 | 2,483 ft |
| September | 61.9 | 1,452 ft | 70.7 | 2,017 ft |
| October | 50.6 | 709 ft | 58.9 | 1,257 ft |
| November | 40.2 | 8 ft | 47.9 | 529 ft |
| December | 30.5 | −663 ft | 37.5 | −178 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 KORH
DENSITY ALTITUDE
Field elevation 1,009 ft — the air behaves like 2,601 ft.
- PRESSURE ALT
- 1,010 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 Massachusetts fields
- 60M — Spencer
Spencer · elev 1,043 ft
- 3B3 — Sterling
Sterling · elev 459 ft
- 3B0 — Southbridge Municipal
Southbridge · elev 699 ft
- KFIT — Fitchburg Municipal
Fitchburg · elev 345 ft
- KGDM — Gardner Municipal
Gardner · elev 954 ft
- 1B6 — Hopedale Industrial Park
Hopedale · elev 269 ft
- 6B6 — Minute Man Air Field
Stow · elev 280 ft
- KORE — Orange Municipal
Orange · elev 556 ft
Frequently asked questions
How high does density altitude get at KORH in summer?
On a typical July afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Worcester Regional reaches roughly 2,589 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 KORH on an average day?
It swings with the seasons: from roughly −1,072 ft at the coldest month's average temperature to about 2,023 ft at the warmest month's — all from a constant field elevation of 1,009 ft. The month-by-month table above carries the full year.
What is the field elevation of Worcester Regional?
1,009 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KORH (ICAO) / ORH (FAA), in Worcester, Massachusetts.