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
  • 10/20 11:00 AM
  • 78
  • 54%
  • 29.93 Hg
  • 60
  • 77.3
  • 94.99 %
  • 1749 ft.
  • 10/20 02:00 PM
  • 82
  • 48%
  • 29.93 Hg
  • 60
  • 78.4
  • 94.27 %
  • 2007 ft.
  • 10/20 05:00 PM
  • 73
  • 64%
  • 29.93 Hg
  • 60
  • 77.6
  • 95.88 %
  • 1434 ft.
  • 10/20 08:00 PM
  • 66
  • 81%
  • 29.93 Hg
  • 60
  • 77.3
  • 97.16 %
  • 983 ft.
  • 10/20 11:00 PM
  • 63
  • 84%
  • 29.93 Hg
  • 58
  • 72.1
  • 97.83 %
  • 748 ft.
  • 10/21 02:00 AM
  • 60
  • 87%
  • 29.93 Hg
  • 56
  • 67.0
  • 98.51 %
  • 513 ft.
  • 10/21 05:00 AM
  • 59
  • 87%
  • 29.93 Hg
  • 55
  • 64.7
  • 98.75 %
  • 429 ft.
  • 10/21 08:00 AM
  • 68
  • 63%
  • 29.93 Hg
  • 55
  • 64.2
  • 97.08 %
  • 1012 ft.
  • 10/21 11:00 AM
  • 78
  • 45%
  • 29.93 Hg
  • 55
  • 64.2
  • 95.27 %
  • 1649 ft.
  • 10/21 02:00 PM
  • 83
  • 40%
  • 29.93 Hg
  • 56
  • 67.3
  • 94.33 %
  • 1985 ft.
  • 10/21 05:00 PM
  • 74
  • 54%
  • 29.93 Hg
  • 56
  • 67.5
  • 95.91 %
  • 1421 ft.
  • 10/21 08:00 PM
  • 69
  • 64%
  • 29.93 Hg
  • 56
  • 67.6
  • 96.82 %
  • 1102 ft.
  • 10/21 11:00 PM
  • 66
  • 70%
  • 29.93 Hg
  • 56
  • 66.6
  • 97.39 %
  • 901 ft.
  • 10/22 02:00 AM
  • 63
  • 78%
  • 29.93 Hg
  • 56
  • 66.8
  • 97.95 %
  • 708 ft.
  • 10/22 05:00 AM
  • 62
  • 80%
  • 29.93 Hg
  • 56
  • 66.2
  • 98.15 %
  • 638 ft.
  • 10/22 08:00 AM
  • 70
  • 66%
  • 29.93 Hg
  • 58
  • 72.2
  • 96.54 %
  • 1201 ft.
  • 10/22 11:00 AM
  • 78
  • 54%
  • 29.93 Hg
  • 60
  • 77.3
  • 94.99 %
  • 1749 ft.

Get weather information from the National Weather Service here.