Waco, Texas · field elev 516 ft
Density Altitude at Waco Regional (KACT)
Waco Regional sits at 516 ft, and even a typical August afternoon (97 °F) only lifts density altitude to about 3,046 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 | 47.4 | −116 ft | 59.1 | 662 ft |
| February | 51.6 | 166 ft | 63.1 | 923 ft |
| March | 58.8 | 642 ft | 70.2 | 1,380 ft |
| April | 66.2 | 1,123 ft | 77.9 | 1,867 ft |
| May | 74.3 | 1,640 ft | 85.3 | 2,328 ft |
| June | 81.9 | 2,117 ft | 92.7 | 2,780 ft |
| July | 85.6 | 2,346 ft | 96.7 | 3,022 ft |
| August | 85.5 | 2,340 ft | 97.1 | 3,046 ft |
| September | 78.7 | 1,917 ft | 90.8 | 2,665 ft |
| October | 68.4 | 1,265 ft | 80.7 | 2,042 ft |
| November | 57.2 | 537 ft | 68.8 | 1,290 ft |
| December | 49.2 | 5 ft | 60.4 | 747 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 KACT
DENSITY ALTITUDE
Field elevation 516 ft — the air behaves like 3,040 ft.
- PRESSURE ALT
- 517 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 Texas fields
- 3T8 — Wildcat Canyon
China Spring · elev 660 ft
- KCNW — Tstc Waco
Waco · elev 470 ft
- KPWG — Mc Gregor Exec
Waco · elev 592 ft
- 73F — Wings For Christ International Flt Academy
Waco · elev 455 ft
- 7F7 — Clifton Municipal/Isenhower Field
Clifton · elev 760 ft
- T15 — Marlin
Marlin · elev 411 ft
- KTPL — Draughon-Miller Central Texas Regional
Temple · elev 682 ft
- KINJ — Hillsboro Municipal
Hillsboro · elev 686 ft
Frequently asked questions
How high does density altitude get at KACT in summer?
On a typical August afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Waco Regional reaches roughly 3,046 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 KACT on an average day?
It swings with the seasons: from roughly −116 ft at the coldest month's average temperature to about 2,346 ft at the warmest month's — all from a constant field elevation of 516 ft. The month-by-month table above carries the full year.
What is the field elevation of Waco Regional?
516 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KACT (ICAO) / ACT (FAA), in Waco, Texas.