Air Density Online

San Antonio Raceway in San Antonio, Texas
Historical weather information* for Friday, September 20 2019

Powered by Darksky.net. Dates available from 2016-present. Please note that some dates might have incomplete data.


Get current weather for San Antonio Raceway.
Track elevation: 616.8 ft.

General conditions: Humid and partly cloudy throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 78 deg F
  • 92%
  • 29.19 Hg
  • 76 deg F
  • 136.9
  • SE 5 mph
  • 91.40 %
  • 3045 ft.
  • Sep 20 1:00 am
  • 79 deg F
  • 90%
  • 29.19 Hg
  • 76 deg F
  • 138.4
  • SE 5 mph
  • 91.22 %
  • 3112 ft.
  • Sep 20 2:00 am
  • 80 deg F
  • 90%
  • 29.21 Hg
  • 77 deg F
  • 143.1
  • SE 5 mph
  • 91.01 %
  • 3190 ft.
  • Sep 20 3:00 am
  • 79 deg F
  • 90%
  • 29.20 Hg
  • 76 deg F
  • 138.4
  • SE 6 mph
  • 91.24 %
  • 3107 ft.
  • Sep 20 4:00 am
  • 79 deg F
  • 89%
  • 29.19 Hg
  • 76 deg F
  • 136.8
  • SE 6 mph
  • 91.25 %
  • 3103 ft.
  • Sep 20 5:00 am
  • 79 deg F
  • 90%
  • 29.20 Hg
  • 76 deg F
  • 138.4
  • SE 7 mph
  • 91.24 %
  • 3105 ft.
  • Sep 20 6:00 am
  • 79 deg F
  • 88%
  • 29.22 Hg
  • 75 deg F
  • 135.1
  • SE 6 mph
  • 91.38 %
  • 3056 ft.
  • Sep 20 7:00 am
  • 78 deg F
  • 89%
  • 29.24 Hg
  • 75 deg F
  • 132.0
  • SE 7 mph
  • 91.67 %
  • 2947 ft.
  • Sep 20 8:00 am
  • 78 deg F
  • 91%
  • 29.25 Hg
  • 75 deg F
  • 135.0
  • SE 5 mph
  • 91.65 %
  • 2956 ft.
  • Sep 20 9:00 am
  • 80 deg F
  • 83%
  • 29.28 Hg
  • 74 deg F
  • 131.3
  • SE 8 mph
  • 91.47 %
  • 3021 ft.
  • Sep 20 10:00 am
  • 83 deg F
  • 71%
  • 29.28 Hg
  • 73 deg F
  • 123.6
  • SE 10 mph
  • 91.14 %
  • 3141 ft.
  • Sep 20 11:00 am
  • 87 deg F
  • 59%
  • 29.29 Hg
  • 71 deg F
  • 116.5
  • SE 11 mph
  • 90.65 %
  • 3323 ft.
  • Sep 20 12:00 pm
  • 90 deg F
  • 51%
  • 29.28 Hg
  • 70 deg F
  • 110.6
  • SE 13 mph
  • 90.24 %
  • 3475 ft.
  • Sep 20 1:00 pm
  • 92 deg F
  • 46%
  • 29.25 Hg
  • 68 deg F
  • 106.2
  • SE 12 mph
  • 89.90 %
  • 3601 ft.
  • Sep 20 2:00 pm
  • 93 deg F
  • 44%
  • 29.22 Hg
  • 68 deg F
  • 104.9
  • SE 13 mph
  • 89.68 %
  • 3682 ft.
  • Sep 20 3:00 pm
  • 94 deg F
  • 42%
  • 29.21 Hg
  • 68 deg F
  • 103.3
  • SE 11 mph
  • 89.49 %
  • 3751 ft.
  • Sep 20 4:00 pm
  • 94 deg F
  • 43%
  • 29.18 Hg
  • 68 deg F
  • 105.9
  • SE 12 mph
  • 89.38 %
  • 3795 ft.
  • Sep 20 5:00 pm
  • 92 deg F
  • 49%
  • 29.18 Hg
  • 70 deg F
  • 113.6
  • SE 15 mph
  • 89.54 %
  • 3734 ft.
  • Sep 20 6:00 pm
  • 91 deg F
  • 52%
  • 29.19 Hg
  • 71 deg F
  • 116.9
  • SE 14 mph
  • 89.66 %
  • 3689 ft.
  • Sep 20 7:00 pm
  • 89 deg F
  • 54%
  • 29.21 Hg
  • 70 deg F
  • 113.9
  • SE 14 mph
  • 90.10 %
  • 3526 ft.
  • Sep 20 8:00 pm
  • 86 deg F
  • 60%
  • 29.23 Hg
  • 71 deg F
  • 115.0
  • SE 12 mph
  • 90.64 %
  • 3326 ft.
  • Sep 20 9:00 pm
  • 83 deg F
  • 65%
  • 29.26 Hg
  • 70 deg F
  • 113.0
  • SE 10 mph
  • 91.28 %
  • 3091 ft.
  • Sep 20 10:00 pm
  • 81 deg F
  • 74%
  • 29.29 Hg
  • 72 deg F
  • 120.6
  • SE 10 mph
  • 91.55 %
  • 2991 ft.
  • Sep 20 11:00 pm
  • 80 deg F
  • 80%
  • 29.32 Hg
  • 73 deg F
  • 126.2
  • SE 7 mph
  • 91.70 %
  • 2936 ft.
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Please note that basic weather data used here is obtained from third party weather providers. As a result, the weather information provided cannot be guaranteed by airdensityonline.com. Airdensityonline.com is not a representative of any third party weather providers.


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