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
  • 10/30 08:00 AM
  • 67
  • 56%
  • 29.93 Hg
  • 51
  • 55.0
  • 97.47 %
  • 876 ft.
  • 10/30 11:00 AM
  • 75
  • 43%
  • 29.93 Hg
  • 51
  • 55.5
  • 96.00 %
  • 1392 ft.
  • 10/30 02:00 PM
  • 79
  • 38%
  • 29.93 Hg
  • 51
  • 56.0
  • 95.27 %
  • 1648 ft.
  • 10/30 05:00 PM
  • 70
  • 51%
  • 29.93 Hg
  • 51
  • 55.6
  • 96.90 %
  • 1074 ft.
  • 10/30 08:00 PM
  • 64
  • 65%
  • 29.93 Hg
  • 52
  • 57.6
  • 97.97 %
  • 702 ft.
  • 10/30 11:00 PM
  • 61
  • 72%
  • 29.93 Hg
  • 52
  • 57.4
  • 98.54 %
  • 504 ft.
  • 10/31 02:00 AM
  • 58
  • 74%
  • 29.93 Hg
  • 50
  • 52.9
  • 99.21 %
  • 272 ft.
  • 10/31 05:00 AM
  • 57
  • 72%
  • 29.93 Hg
  • 48
  • 49.6
  • 99.47 %
  • 181 ft.
  • 10/31 08:00 AM
  • 64
  • 65%
  • 29.93 Hg
  • 52
  • 57.6
  • 97.97 %
  • 702 ft.
  • 10/31 11:00 AM
  • 72
  • 39%
  • 29.93 Hg
  • 46
  • 45.4
  • 96.76 %
  • 1123 ft.
  • 10/31 02:00 PM
  • 76
  • 33%
  • 29.93 Hg
  • 45
  • 43.9
  • 96.07 %
  • 1366 ft.
  • 10/31 05:00 PM
  • 64
  • 52%
  • 29.93 Hg
  • 46
  • 45.9
  • 98.23 %
  • 612 ft.
  • 10/31 08:00 PM
  • 55
  • 69%
  • 29.93 Hg
  • 45
  • 44.2
  • 99.98 %
  • 6 ft.
  • 10/31 11:00 PM
  • 51
  • 77%
  • 29.93 Hg
  • 44
  • 42.5
  • 100.80 %
  • -274 ft.
  • 11/01 02:00 AM
  • 49
  • 73%
  • 29.93 Hg
  • 41
  • 37.4
  • 101.32 %
  • -449 ft.
  • 11/01 05:00 AM
  • 47
  • 74%
  • 29.93 Hg
  • 39
  • 35.1
  • 101.77 %
  • -602 ft.
  • 11/01 08:00 AM
  • 54
  • 50%
  • 29.93 Hg
  • 36
  • 30.8
  • 100.48 %
  • -166 ft.

Get weather information from the National Weather Service here.