Midlothian/Waxahachie, Texas · field elev 727 ft
Density Altitude at Mid-Way Regional (KJWY)
Mid-Way Regional sits at 727 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 3,194 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 | 45.2 | −3 ft | 56.5 | 751 ft |
| February | 48.8 | 240 ft | 60.0 | 981 ft |
| March | 56.2 | 732 ft | 67.4 | 1,460 ft |
| April | 64.1 | 1,247 ft | 75.3 | 1,962 ft |
| May | 72.6 | 1,791 ft | 82.3 | 2,400 ft |
| June | 80.6 | 2,294 ft | 90.4 | 2,897 ft |
| July | 84.3 | 2,523 ft | 94.7 | 3,158 ft |
| August | 84.5 | 2,536 ft | 95.3 | 3,194 ft |
| September | 77.6 | 2,107 ft | 88.4 | 2,775 ft |
| October | 66.7 | 1,415 ft | 78.3 | 2,150 ft |
| November | 55.3 | 672 ft | 66.3 | 1,389 ft |
| December | 46.9 | 112 ft | 57.7 | 830 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 KJWY
DENSITY ALTITUDE
Field elevation 727 ft — the air behaves like 3,176 ft.
- PRESSURE ALT
- 728 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
- T56 — Eagle'S Nest Estates
Midlothian · elev 780 ft
- T13 — Dallas South Port
Palmer · elev 474 ft
- KLNC — Lancaster Regional
Lancaster · elev 501 ft
- KRBD — Dallas Exec
Dallas · elev 661 ft
- F41 — Ennis Municipal
Ennis · elev 500 ft
- KGKY — Arlington Municipal
Arlington · elev 628 ft
- KGPM — Grand Prairie Municipal
Grand Prairie · elev 590 ft
- KFWS — Fort Worth Spinks
Fort Worth · elev 700 ft
Frequently asked questions
How high does density altitude get at KJWY in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Mid-Way Regional reaches roughly 3,194 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 KJWY on an average day?
It swings with the seasons: from roughly −3 ft at the coldest month's average temperature to about 2,536 ft at the warmest month's — all from a constant field elevation of 727 ft. The month-by-month table above carries the full year.
What is the field elevation of Mid-Way Regional?
727 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KJWY (ICAO) / JWY (FAA), in Midlothian/Waxahachie, Texas.