Air Density Online

Auto Club Speedway in Fontana, California
Historical weather information* for Saturday, April 17 2021

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


Get current weather for Auto Club Speedway.
Track elevation: 1128 ft.

General conditions: Clear throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Apr 17 12:00 am
  • 55 deg F
  • 72%
  • 28.77 Hg
  • 46 deg F
  • 48.0
  • NW 2 mph
  • 96.05 %
  • 1374 ft.
  • Apr 17 1:00 am
  • 54 deg F
  • 75%
  • 28.77 Hg
  • 46 deg F
  • 48.2
  • NW 2 mph
  • 96.23 %
  • 1310 ft.
  • Apr 17 2:00 am
  • 53 deg F
  • 78%
  • 28.76 Hg
  • 46 deg F
  • 48.3
  • NW 2 mph
  • 96.38 %
  • 1258 ft.
  • Apr 17 3:00 am
  • 52 deg F
  • 77%
  • 28.76 Hg
  • 45 deg F
  • 46.0
  • NW 2 mph
  • 96.59 %
  • 1183 ft.
  • Apr 17 4:00 am
  • 51 deg F
  • 78%
  • 28.76 Hg
  • 44 deg F
  • 44.9
  • NW 2 mph
  • 96.81 %
  • 1105 ft.
  • Apr 17 5:00 am
  • 51 deg F
  • 81%
  • 28.76 Hg
  • 45 deg F
  • 46.6
  • NW 2 mph
  • 96.77 %
  • 1119 ft.
  • Apr 17 6:00 am
  • 50 deg F
  • 83%
  • 28.77 Hg
  • 45 deg F
  • 46.0
  • NW 2 mph
  • 97.02 %
  • 1034 ft.
  • Apr 17 7:00 am
  • 50 deg F
  • 83%
  • 28.78 Hg
  • 45 deg F
  • 46.0
  • NW 2 mph
  • 97.04 %
  • 1024 ft.
  • Apr 17 8:00 am
  • 54 deg F
  • 78%
  • 28.79 Hg
  • 47 deg F
  • 50.1
  • NE 3 mph
  • 96.25 %
  • 1304 ft.
  • Apr 17 9:00 am
  • 57 deg F
  • 69%
  • 28.79 Hg
  • 47 deg F
  • 49.4
  • SW 3 mph
  • 95.68 %
  • 1503 ft.
  • Apr 17 10:00 am
  • 61 deg F
  • 59%
  • 28.78 Hg
  • 47 deg F
  • 48.8
  • SW 4 mph
  • 94.94 %
  • 1766 ft.
  • Apr 17 11:00 am
  • 65 deg F
  • 52%
  • 28.76 Hg
  • 47 deg F
  • 49.5
  • SW 5 mph
  • 94.15 %
  • 2050 ft.
  • Apr 17 12:00 pm
  • 71 deg F
  • 40%
  • 28.76 Hg
  • 45 deg F
  • 46.8
  • SW 5 mph
  • 93.12 %
  • 2419 ft.
  • Apr 17 1:00 pm
  • 76 deg F
  • 32%
  • 28.74 Hg
  • 44 deg F
  • 44.3
  • SW 6 mph
  • 92.24 %
  • 2739 ft.
  • Apr 17 2:00 pm
  • 79 deg F
  • 28%
  • 28.71 Hg
  • 43 deg F
  • 42.8
  • SW 7 mph
  • 91.68 %
  • 2945 ft.
  • Apr 17 3:00 pm
  • 81 deg F
  • 25%
  • 28.70 Hg
  • 42 deg F
  • 40.8
  • SW 8 mph
  • 91.34 %
  • 3067 ft.
  • Apr 17 4:00 pm
  • 81 deg F
  • 25%
  • 28.69 Hg
  • 42 deg F
  • 40.9
  • SW 8 mph
  • 91.31 %
  • 3081 ft.
  • Apr 17 5:00 pm
  • 80 deg F
  • 26%
  • 28.68 Hg
  • 42 deg F
  • 41.1
  • W 9 mph
  • 91.45 %
  • 3027 ft.
  • Apr 17 6:00 pm
  • 78 deg F
  • 28%
  • 28.70 Hg
  • 42 deg F
  • 41.5
  • SW 8 mph
  • 91.84 %
  • 2885 ft.
  • Apr 17 7:00 pm
  • 75 deg F
  • 29%
  • 28.73 Hg
  • 41 deg F
  • 38.8
  • NW 6 mph
  • 92.49 %
  • 2647 ft.
  • Apr 17 8:00 pm
  • 71 deg F
  • 35%
  • 28.74 Hg
  • 42 deg F
  • 40.9
  • NW 4 mph
  • 93.19 %
  • 2394 ft.
  • Apr 17 9:00 pm
  • 68 deg F
  • 41%
  • 28.76 Hg
  • 43 deg F
  • 43.3
  • W 3 mph
  • 93.75 %
  • 2195 ft.
  • Apr 17 10:00 pm
  • 65 deg F
  • 43%
  • 28.79 Hg
  • 42 deg F
  • 40.8
  • NW 3 mph
  • 94.41 %
  • 1957 ft.
  • Apr 17 11:00 pm
  • 59 deg F
  • 50%
  • 28.80 Hg
  • 40 deg F
  • 38.4
  • NW 4 mph
  • 95.60 %
  • 1532 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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