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
  • 04/21 08:00 AM
  • 66
  • 68%
  • 29.93 Hg
  • 55
  • 64.7
  • 97.44 %
  • 886 ft.
  • 04/21 11:00 AM
  • 74
  • 55%
  • 29.93 Hg
  • 57
  • 68.8
  • 95.89 %
  • 1431 ft.
  • 04/21 02:00 PM
  • 78
  • 54%
  • 29.93 Hg
  • 60
  • 77.3
  • 94.99 %
  • 1749 ft.
  • 04/21 05:00 PM
  • 76
  • 64%
  • 29.93 Hg
  • 63
  • 85.9
  • 95.16 %
  • 1688 ft.
  • 04/21 08:00 PM
  • 72
  • 79%
  • 29.93 Hg
  • 65
  • 92.9
  • 95.73 %
  • 1488 ft.
  • 04/21 11:00 PM
  • 70
  • 90%
  • 29.93 Hg
  • 67
  • 99.0
  • 95.96 %
  • 1407 ft.
  • 04/22 02:00 AM
  • 69
  • 97%
  • 29.93 Hg
  • 68
  • 103.2
  • 96.05 %
  • 1375 ft.
  • 04/22 05:00 AM
  • 68
  • 100%
  • 29.93 Hg
  • 68
  • 102.8
  • 96.24 %
  • 1307 ft.
  • 04/22 08:00 AM
  • 74
  • 90%
  • 29.93 Hg
  • 71
  • 113.7
  • 94.92 %
  • 1773 ft.
  • 04/22 11:00 AM
  • 80
  • 75%
  • 29.93 Hg
  • 71
  • 115.7
  • 93.83 %
  • 2165 ft.
  • 04/22 02:00 PM
  • 83
  • 67%
  • 29.93 Hg
  • 71
  • 113.9
  • 93.35 %
  • 2339 ft.
  • 04/22 05:00 PM
  • 80
  • 74%
  • 29.93 Hg
  • 71
  • 114.1
  • 93.86 %
  • 2153 ft.
  • 04/22 08:00 PM
  • 75
  • 88%
  • 29.93 Hg
  • 71
  • 115.0
  • 94.72 %
  • 1846 ft.
  • 04/22 11:00 PM
  • 73
  • 94%
  • 29.93 Hg
  • 71
  • 114.9
  • 95.08 %
  • 1718 ft.
  • 04/23 02:00 AM
  • 71
  • 100%
  • 29.93 Hg
  • 71
  • 114.2
  • 95.45 %
  • 1586 ft.
  • 04/23 05:00 AM
  • 70
  • 100%
  • 29.93 Hg
  • 70
  • 110.3
  • 95.71 %
  • 1492 ft.
  • 04/23 08:00 AM
  • 76
  • 87%
  • 29.93 Hg
  • 72
  • 117.6
  • 94.49 %
  • 1929 ft.

Get weather information from the National Weather Service here.