Air Density Online

Jacksonville Speedway in Jacksonville, Illinois
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 Jacksonville Speedway.
Track elevation: 633 ft.

General conditions: Partly cloudy throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 73 deg F
  • 81%
  • 29.37 Hg
  • 67 deg F
  • 100.6
  • SE 6 mph
  • 93.59 %
  • 2249 ft.
  • Sep 20 1:00 am
  • 73 deg F
  • 79%
  • 29.37 Hg
  • 66 deg F
  • 98.0
  • SE 3 mph
  • 93.66 %
  • 2224 ft.
  • Sep 20 2:00 am
  • 72 deg F
  • 79%
  • 29.38 Hg
  • 65 deg F
  • 94.7
  • SE 6 mph
  • 93.92 %
  • 2130 ft.
  • Sep 20 3:00 am
  • 72 deg F
  • 78%
  • 29.38 Hg
  • 65 deg F
  • 93.4
  • SE 4 mph
  • 93.97 %
  • 2114 ft.
  • Sep 20 4:00 am
  • 70 deg F
  • 81%
  • 29.39 Hg
  • 64 deg F
  • 90.6
  • SE 4 mph
  • 94.42 %
  • 1952 ft.
  • Sep 20 5:00 am
  • 69 deg F
  • 84%
  • 29.40 Hg
  • 64 deg F
  • 90.7
  • SE 4 mph
  • 94.61 %
  • 1885 ft.
  • Sep 20 6:00 am
  • 69 deg F
  • 83%
  • 29.40 Hg
  • 64 deg F
  • 89.6
  • SE 5 mph
  • 94.64 %
  • 1873 ft.
  • Sep 20 7:00 am
  • 68 deg F
  • 84%
  • 29.41 Hg
  • 63 deg F
  • 87.6
  • NE 8 mph
  • 94.91 %
  • 1779 ft.
  • Sep 20 8:00 am
  • 69 deg F
  • 86%
  • 29.43 Hg
  • 65 deg F
  • 92.9
  • NE 6 mph
  • 94.66 %
  • 1868 ft.
  • Sep 20 9:00 am
  • 74 deg F
  • 76%
  • 29.43 Hg
  • 66 deg F
  • 97.3
  • SE 8 mph
  • 93.68 %
  • 2217 ft.
  • Sep 20 10:00 am
  • 78 deg F
  • 65%
  • 29.43 Hg
  • 65 deg F
  • 95.0
  • SE 10 mph
  • 93.04 %
  • 2450 ft.
  • Sep 20 11:00 am
  • 82 deg F
  • 59%
  • 29.43 Hg
  • 66 deg F
  • 98.4
  • SE 7 mph
  • 92.28 %
  • 2725 ft.
  • Sep 20 12:00 pm
  • 85 deg F
  • 58%
  • 29.42 Hg
  • 69 deg F
  • 106.8
  • SE 7 mph
  • 91.56 %
  • 2989 ft.
  • Sep 20 1:00 pm
  • 87 deg F
  • 56%
  • 29.41 Hg
  • 69 deg F
  • 110.0
  • SE 9 mph
  • 91.14 %
  • 3143 ft.
  • Sep 20 2:00 pm
  • 89 deg F
  • 54%
  • 29.39 Hg
  • 70 deg F
  • 113.1
  • SE 8 mph
  • 90.68 %
  • 3310 ft.
  • Sep 20 3:00 pm
  • 88 deg F
  • 55%
  • 29.38 Hg
  • 70 deg F
  • 111.7
  • S 11 mph
  • 90.83 %
  • 3256 ft.
  • Sep 20 4:00 pm
  • 89 deg F
  • 50%
  • 29.37 Hg
  • 68 deg F
  • 104.6
  • SE 12 mph
  • 90.79 %
  • 3269 ft.
  • Sep 20 5:00 pm
  • 88 deg F
  • 53%
  • 29.37 Hg
  • 69 deg F
  • 107.6
  • SE 11 mph
  • 90.89 %
  • 3236 ft.
  • Sep 20 6:00 pm
  • 87 deg F
  • 55%
  • 29.36 Hg
  • 69 deg F
  • 108.2
  • SE 7 mph
  • 91.03 %
  • 3183 ft.
  • Sep 20 7:00 pm
  • 84 deg F
  • 61%
  • 29.37 Hg
  • 69 deg F
  • 109.0
  • SE 6 mph
  • 91.55 %
  • 2992 ft.
  • Sep 20 8:00 pm
  • 81 deg F
  • 68%
  • 29.38 Hg
  • 70 deg F
  • 110.2
  • SE 7 mph
  • 92.06 %
  • 2804 ft.
  • Sep 20 9:00 pm
  • 77 deg F
  • 72%
  • 29.40 Hg
  • 67 deg F
  • 102.1
  • SE 10 mph
  • 92.96 %
  • 2477 ft.
  • Sep 20 10:00 pm
  • 77 deg F
  • 72%
  • 29.41 Hg
  • 67 deg F
  • 102.0
  • SE 12 mph
  • 93.01 %
  • 2458 ft.
  • Sep 20 11:00 pm
  • 76 deg F
  • 77%
  • 29.42 Hg
  • 68 deg F
  • 105.6
  • S 8 mph
  • 93.13 %
  • 2418 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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