Air Density Online

Forecast weather information* for Royal Purple Raceway in Houston (Baytown), Texas

Please note that this section is considered experimental. Barometer values used in this page are the current barometer values only. For more information, please see the FAQ section.

Track elevation: 39.4 ft.

Get detailed current weather information for this track.

  • Time
  • Temp
  • Humidity
  • Barometer
  • Dew Point
  • Grains
  • Air Density
  • Density Altitude
  • 04/16 08:00 AM
  • 55
  • 57%
  • 29.93 Hg
  • 40
  • 36.4
  • 100.16 %
  • -55 ft.
  • 04/16 11:00 AM
  • 65
  • 43%
  • 29.93 Hg
  • 42
  • 39.3
  • 98.19 %
  • 625 ft.
  • 04/16 02:00 PM
  • 70
  • 39%
  • 29.93 Hg
  • 44
  • 42.4
  • 97.19 %
  • 972 ft.
  • 04/16 05:00 PM
  • 67
  • 47%
  • 29.93 Hg
  • 46
  • 46.1
  • 97.66 %
  • 807 ft.
  • 04/16 08:00 PM
  • 61
  • 65%
  • 29.93 Hg
  • 49
  • 51.7
  • 98.66 %
  • 460 ft.
  • 04/16 11:00 PM
  • 59
  • 78%
  • 29.93 Hg
  • 52
  • 57.9
  • 98.90 %
  • 377 ft.
  • 04/17 02:00 AM
  • 57
  • 87%
  • 29.93 Hg
  • 53
  • 60.1
  • 99.24 %
  • 262 ft.
  • 04/17 05:00 AM
  • 56
  • 93%
  • 29.93 Hg
  • 54
  • 62.0
  • 99.39 %
  • 210 ft.
  • 04/17 08:00 AM
  • 62
  • 83%
  • 29.93 Hg
  • 57
  • 68.7
  • 98.10 %
  • 657 ft.
  • 04/17 11:00 AM
  • 68
  • 70%
  • 29.93 Hg
  • 58
  • 71.5
  • 96.92 %
  • 1067 ft.
  • 04/17 02:00 PM
  • 72
  • 64%
  • 29.93 Hg
  • 59
  • 75.0
  • 96.11 %
  • 1351 ft.
  • 04/17 05:00 PM
  • 69
  • 73%
  • 29.93 Hg
  • 60
  • 77.2
  • 96.61 %
  • 1176 ft.
  • 04/17 08:00 PM
  • 64
  • 90%
  • 29.93 Hg
  • 61
  • 80.1
  • 97.47 %
  • 875 ft.
  • 04/17 11:00 PM
  • 63
  • 96%
  • 29.93 Hg
  • 62
  • 82.6
  • 97.60 %
  • 829 ft.
  • 04/18 02:00 AM
  • 61
  • 100%
  • 29.93 Hg
  • 61
  • 80.1
  • 98.03 %
  • 679 ft.
  • 04/18 05:00 AM
  • 60
  • 100%
  • 29.93 Hg
  • 60
  • 77.2
  • 98.28 %
  • 592 ft.
  • 04/18 08:00 AM
  • 67
  • 87%
  • 29.93 Hg
  • 63
  • 86.1
  • 96.78 %
  • 1115 ft.

Get weather information from the National Weather Service here.