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
  • 08/20 11:00 AM
  • 91
  • 60%
  • 29.93 Hg
  • 75
  • 132.0
  • 91.62 %
  • 2967 ft.
  • 08/20 02:00 PM
  • 94
  • 55%
  • 29.93 Hg
  • 75
  • 132.8
  • 91.10 %
  • 3155 ft.
  • 08/20 05:00 PM
  • 90
  • 63%
  • 29.93 Hg
  • 76
  • 134.4
  • 91.74 %
  • 2924 ft.
  • 08/20 08:00 PM
  • 85
  • 77%
  • 29.93 Hg
  • 77
  • 140.4
  • 92.45 %
  • 2662 ft.
  • 08/20 11:00 PM
  • 83
  • 82%
  • 29.93 Hg
  • 77
  • 140.2
  • 92.80 %
  • 2536 ft.
  • 08/21 02:00 AM
  • 81
  • 88%
  • 29.93 Hg
  • 77
  • 141.0
  • 93.12 %
  • 2418 ft.
  • 08/21 05:00 AM
  • 80
  • 87%
  • 29.93 Hg
  • 76
  • 134.7
  • 93.43 %
  • 2309 ft.
  • 08/21 08:00 AM
  • 87
  • 72%
  • 29.93 Hg
  • 77
  • 139.9
  • 92.13 %
  • 2781 ft.
  • 08/21 11:00 AM
  • 92
  • 60%
  • 29.93 Hg
  • 76
  • 136.3
  • 91.36 %
  • 3060 ft.
  • 08/21 02:00 PM
  • 94
  • 51%
  • 29.93 Hg
  • 73
  • 122.9
  • 91.31 %
  • 3081 ft.
  • 08/21 05:00 PM
  • 90
  • 60%
  • 29.93 Hg
  • 74
  • 127.8
  • 91.87 %
  • 2874 ft.
  • 08/21 08:00 PM
  • 84
  • 77%
  • 29.93 Hg
  • 76
  • 135.8
  • 92.72 %
  • 2566 ft.
  • 08/21 11:00 PM
  • 81
  • 85%
  • 29.93 Hg
  • 76
  • 136.1
  • 93.23 %
  • 2381 ft.
  • 08/22 02:00 AM
  • 79
  • 90%
  • 29.93 Hg
  • 76
  • 134.9
  • 93.60 %
  • 2248 ft.
  • 08/22 05:00 AM
  • 78
  • 91%
  • 29.93 Hg
  • 75
  • 131.9
  • 93.83 %
  • 2162 ft.
  • 08/22 08:00 AM
  • 87
  • 64%
  • 29.93 Hg
  • 73
  • 123.9
  • 92.45 %
  • 2661 ft.
  • 08/22 11:00 AM
  • 92
  • 52%
  • 29.93 Hg
  • 72
  • 117.7
  • 91.75 %
  • 2920 ft.

Get weather information from the National Weather Service here.