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
  • 09/18 05:00 PM
  • 79
  • 90%
  • 29.93 Hg
  • 76
  • 134.9
  • 93.60 %
  • 2248 ft.
  • 09/18 08:00 PM
  • 77
  • 93%
  • 29.93 Hg
  • 75
  • 130.4
  • 94.04 %
  • 2088 ft.
  • 09/18 11:00 PM
  • 76
  • 97%
  • 29.93 Hg
  • 75
  • 131.6
  • 94.19 %
  • 2034 ft.
  • 09/19 02:00 AM
  • 76
  • 97%
  • 29.93 Hg
  • 75
  • 131.6
  • 94.19 %
  • 2034 ft.
  • 09/19 05:00 AM
  • 75
  • 100%
  • 29.93 Hg
  • 75
  • 131.2
  • 94.38 %
  • 1968 ft.
  • 09/19 08:00 AM
  • 80
  • 82%
  • 29.93 Hg
  • 74
  • 126.8
  • 93.59 %
  • 2249 ft.
  • 09/19 11:00 AM
  • 83
  • 74%
  • 29.93 Hg
  • 74
  • 126.1
  • 93.09 %
  • 2431 ft.
  • 09/19 02:00 PM
  • 85
  • 72%
  • 29.93 Hg
  • 75
  • 131.0
  • 92.65 %
  • 2591 ft.
  • 09/19 05:00 PM
  • 81
  • 82%
  • 29.93 Hg
  • 75
  • 131.1
  • 93.33 %
  • 2344 ft.
  • 09/19 08:00 PM
  • 77
  • 90%
  • 29.93 Hg
  • 74
  • 126.0
  • 94.13 %
  • 2055 ft.
  • 09/19 11:00 PM
  • 75
  • 94%
  • 29.93 Hg
  • 73
  • 123.1
  • 94.55 %
  • 1907 ft.
  • 09/20 02:00 AM
  • 74
  • 100%
  • 29.93 Hg
  • 74
  • 126.7
  • 94.65 %
  • 1871 ft.
  • 09/20 05:00 AM
  • 73
  • 100%
  • 29.93 Hg
  • 73
  • 122.4
  • 94.92 %
  • 1775 ft.
  • 09/20 08:00 AM
  • 81
  • 77%
  • 29.93 Hg
  • 73
  • 122.9
  • 93.50 %
  • 2282 ft.
  • 09/20 11:00 AM
  • 87
  • 65%
  • 29.93 Hg
  • 74
  • 125.9
  • 92.41 %
  • 2676 ft.
  • 09/20 02:00 PM
  • 90
  • 59%
  • 29.93 Hg
  • 74
  • 125.6
  • 91.91 %
  • 2858 ft.
  • 09/20 05:00 PM
  • 85
  • 70%
  • 29.93 Hg
  • 74
  • 127.2
  • 92.73 %
  • 2563 ft.

Get weather information from the National Weather Service here.