Air Density Online

Port Royal Speedway in Port Royal, Pennsylvania
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 Port Royal Speedway.
Track elevation: 479 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
  • 49 deg F
  • 94%
  • 29.77 Hg
  • 47 deg F
  • 48.5
  • S 2 mph
  • 100.53 %
  • -180 ft.
  • Sep 20 1:00 am
  • 49 deg F
  • 92%
  • 29.76 Hg
  • 47 deg F
  • 47.5
  • SE 2 mph
  • 100.53 %
  • -181 ft.
  • Sep 20 2:00 am
  • 48 deg F
  • 93%
  • 29.77 Hg
  • 46 deg F
  • 46.2
  • NW 0 mph
  • 100.78 %
  • -267 ft.
  • Sep 20 3:00 am
  • 48 deg F
  • 92%
  • 29.77 Hg
  • 46 deg F
  • 45.7
  • NE 0 mph
  • 100.78 %
  • -267 ft.
  • Sep 20 4:00 am
  • 46 deg F
  • 93%
  • 29.77 Hg
  • 44 deg F
  • 42.8
  • N 0 mph
  • 101.25 %
  • -425 ft.
  • Sep 20 5:00 am
  • 44 deg F
  • 94%
  • 29.77 Hg
  • 42 deg F
  • 40.1
  • NE 1 mph
  • 101.72 %
  • -587 ft.
  • Sep 20 6:00 am
  • 44 deg F
  • 94%
  • 29.78 Hg
  • 42 deg F
  • 40.1
  • NW 1 mph
  • 101.76 %
  • -600 ft.
  • Sep 20 7:00 am
  • 43 deg F
  • 95%
  • 29.80 Hg
  • 42 deg F
  • 39.0
  • SW 0 mph
  • 102.04 %
  • -693 ft.
  • Sep 20 8:00 am
  • 44 deg F
  • 98%
  • 29.80 Hg
  • 43 deg F
  • 41.8
  • NW 0 mph
  • 101.78 %
  • -605 ft.
  • Sep 20 9:00 am
  • 50 deg F
  • 91%
  • 29.79 Hg
  • 47 deg F
  • 48.7
  • NW 2 mph
  • 100.40 %
  • -137 ft.
  • Sep 20 10:00 am
  • 56 deg F
  • 83%
  • 29.78 Hg
  • 51 deg F
  • 55.5
  • SE 1 mph
  • 99.03 %
  • 332 ft.
  • Sep 20 11:00 am
  • 62 deg F
  • 68%
  • 29.76 Hg
  • 51 deg F
  • 56.4
  • SE 2 mph
  • 97.83 %
  • 749 ft.
  • Sep 20 12:00 pm
  • 68 deg F
  • 56%
  • 29.74 Hg
  • 52 deg F
  • 57.3
  • NE 1 mph
  • 96.63 %
  • 1170 ft.
  • Sep 20 1:00 pm
  • 73 deg F
  • 50%
  • 29.72 Hg
  • 53 deg F
  • 60.8
  • NW 3 mph
  • 95.56 %
  • 1547 ft.
  • Sep 20 2:00 pm
  • 77 deg F
  • 45%
  • 29.70 Hg
  • 54 deg F
  • 62.6
  • SE 3 mph
  • 94.75 %
  • 1836 ft.
  • Sep 20 3:00 pm
  • 79 deg F
  • 40%
  • 29.68 Hg
  • 53 deg F
  • 59.4
  • SW 3 mph
  • 94.40 %
  • 1958 ft.
  • Sep 20 4:00 pm
  • 78 deg F
  • 40%
  • 29.66 Hg
  • 52 deg F
  • 57.5
  • NW 4 mph
  • 94.57 %
  • 1898 ft.
  • Sep 20 5:00 pm
  • 78 deg F
  • 41%
  • 29.66 Hg
  • 52 deg F
  • 59.0
  • NW 2 mph
  • 94.54 %
  • 1911 ft.
  • Sep 20 6:00 pm
  • 78 deg F
  • 42%
  • 29.66 Hg
  • 53 deg F
  • 60.4
  • SW 1 mph
  • 94.50 %
  • 1923 ft.
  • Sep 20 7:00 pm
  • 75 deg F
  • 51%
  • 29.67 Hg
  • 56 deg F
  • 66.5
  • SE 2 mph
  • 94.94 %
  • 1768 ft.
  • Sep 20 8:00 pm
  • 66 deg F
  • 75%
  • 29.68 Hg
  • 58 deg F
  • 72.1
  • SW 2 mph
  • 96.47 %
  • 1225 ft.
  • Sep 20 9:00 pm
  • 62 deg F
  • 82%
  • 29.69 Hg
  • 56 deg F
  • 68.4
  • SW 3 mph
  • 97.32 %
  • 927 ft.
  • Sep 20 10:00 pm
  • 59 deg F
  • 89%
  • 29.69 Hg
  • 56 deg F
  • 66.7
  • NW 2 mph
  • 97.92 %
  • 719 ft.
  • Sep 20 11:00 pm
  • 58 deg F
  • 90%
  • 29.71 Hg
  • 55 deg F
  • 65.0
  • SW 1 mph
  • 98.22 %
  • 615 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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