Air Density Online

Potomac Speedway in Mechanicsville, Maryland
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 Potomac Speedway.
Track elevation: 124.7 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
  • 54 deg F
  • 85%
  • 30.17 Hg
  • 50 deg F
  • 52.1
  • SW 3 mph
  • 100.81 %
  • -278 ft.
  • Sep 20 1:00 am
  • 53 deg F
  • 89%
  • 30.16 Hg
  • 50 deg F
  • 52.7
  • SW 3 mph
  • 100.96 %
  • -327 ft.
  • Sep 20 2:00 am
  • 51 deg F
  • 94%
  • 30.16 Hg
  • 49 deg F
  • 51.6
  • SW 3 mph
  • 101.38 %
  • -469 ft.
  • Sep 20 3:00 am
  • 50 deg F
  • 95%
  • 30.16 Hg
  • 49 deg F
  • 50.3
  • SW 4 mph
  • 101.61 %
  • -548 ft.
  • Sep 20 4:00 am
  • 50 deg F
  • 94%
  • 30.16 Hg
  • 48 deg F
  • 49.7
  • NW 2 mph
  • 101.63 %
  • -554 ft.
  • Sep 20 5:00 am
  • 49 deg F
  • 93%
  • 30.17 Hg
  • 47 deg F
  • 47.4
  • W 3 mph
  • 101.90 %
  • -647 ft.
  • Sep 20 6:00 am
  • 48 deg F
  • 95%
  • 30.18 Hg
  • 47 deg F
  • 46.6
  • SW 2 mph
  • 102.14 %
  • -728 ft.
  • Sep 20 7:00 am
  • 48 deg F
  • 95%
  • 30.19 Hg
  • 47 deg F
  • 46.6
  • SW 2 mph
  • 102.18 %
  • -739 ft.
  • Sep 20 8:00 am
  • 53 deg F
  • 93%
  • 30.19 Hg
  • 51 deg F
  • 55.0
  • NW 1 mph
  • 101.02 %
  • -346 ft.
  • Sep 20 9:00 am
  • 59 deg F
  • 84%
  • 30.19 Hg
  • 54 deg F
  • 61.8
  • W 3 mph
  • 99.70 %
  • 104 ft.
  • Sep 20 10:00 am
  • 65 deg F
  • 68%
  • 30.21 Hg
  • 54 deg F
  • 61.9
  • SW 4 mph
  • 98.60 %
  • 481 ft.
  • Sep 20 11:00 am
  • 70 deg F
  • 58%
  • 30.19 Hg
  • 55 deg F
  • 62.7
  • SW 4 mph
  • 97.61 %
  • 827 ft.
  • Sep 20 12:00 pm
  • 72 deg F
  • 52%
  • 30.18 Hg
  • 53 deg F
  • 60.2
  • SW 5 mph
  • 97.23 %
  • 957 ft.
  • Sep 20 1:00 pm
  • 74 deg F
  • 48%
  • 30.16 Hg
  • 53 deg F
  • 59.5
  • SW 5 mph
  • 96.82 %
  • 1102 ft.
  • Sep 20 2:00 pm
  • 74 deg F
  • 46%
  • 30.14 Hg
  • 52 deg F
  • 57.0
  • SE 6 mph
  • 96.81 %
  • 1104 ft.
  • Sep 20 3:00 pm
  • 76 deg F
  • 42%
  • 30.11 Hg
  • 51 deg F
  • 55.7
  • SW 5 mph
  • 96.41 %
  • 1248 ft.
  • Sep 20 4:00 pm
  • 77 deg F
  • 42%
  • 30.10 Hg
  • 52 deg F
  • 57.6
  • SW 7 mph
  • 96.13 %
  • 1346 ft.
  • Sep 20 5:00 pm
  • 77 deg F
  • 43%
  • 30.08 Hg
  • 53 deg F
  • 59.0
  • SW 5 mph
  • 96.04 %
  • 1376 ft.
  • Sep 20 6:00 pm
  • 76 deg F
  • 47%
  • 30.08 Hg
  • 54 deg F
  • 62.4
  • SW 5 mph
  • 96.16 %
  • 1335 ft.
  • Sep 20 7:00 pm
  • 71 deg F
  • 58%
  • 30.09 Hg
  • 56 deg F
  • 65.2
  • SE 3 mph
  • 97.03 %
  • 1029 ft.
  • Sep 20 8:00 pm
  • 65 deg F
  • 73%
  • 30.10 Hg
  • 56 deg F
  • 66.7
  • SE 3 mph
  • 98.13 %
  • 645 ft.
  • Sep 20 9:00 pm
  • 63 deg F
  • 78%
  • 30.11 Hg
  • 56 deg F
  • 66.4
  • S 4 mph
  • 98.56 %
  • 495 ft.
  • Sep 20 10:00 pm
  • 61 deg F
  • 82%
  • 30.11 Hg
  • 55 deg F
  • 65.1
  • SW 3 mph
  • 98.96 %
  • 357 ft.
  • Sep 20 11:00 pm
  • 61 deg F
  • 82%
  • 30.11 Hg
  • 55 deg F
  • 65.1
  • SW 3 mph
  • 98.97 %
  • 355 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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