Ashburn, VA 20147 Current Weather Conditions [Select Refresh to Update]
Updated Automatically by Ambient Weather's Virtual Weather Station  V14.01

Current Conditions

Almanac

Last Updated: 1:00am on 4/19/15
Outside Temperature: 58.7 °F
Today's High: 60.4 °F at 12:00am
Lo: 58.7 °F at 12:58am
Barometric Trend: 0.003
Sunrise : 6:26am  Sunset: 7:49pm
Moonrise:   7:09am   Moonset:  9:05pm
Moon Phase: 0

Parameter

Value High Time Low Time Average Rate Rate Hi Time Rate Lo Time

Wind Direction

SSW 212 12:00am 212 12:00am 228 -20.5 -20.5 1:00am -56.0 12:00am

Wind Speed

0 7 12:00am 0 12:00am 0 -0.0 2.7 12:05am -0.1 12:05am

Gust

0 7 12:00am 0 12:07am 0 -0.2 7.3 12:00am -0.5 12:07am

In Humidity

45 47 12:00am 45 1:00am 46 -1.4 0.5 12:22am -1.4 1:00am

Out Humidity

71 73 12:50am 68 12:00am 69 3.1 6.8 12:06am 3.0 12:45am

In Temp

72.4 72.4 12:07am 72.1 12:42am 72.4 -0.04 -0.04 1:00am -0.40 12:42am

Out Temp

58.7 60.4 12:00am 58.7 12:58am 59.9 -1.84 -1.67 12:28am -1.93 12:00am

Barometer

29.69 29.69 12:03am 29.68 12:32am 29.69 0.003 0.015 12:03am 0.001 12:33am

Rain

9.06 9.06 12:00am 9.06 12:00am 9.06 0.000 0.000 12:00am -0.000 12:00am

Ch 1 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 1 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 2 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 2 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 3 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 3 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

ET

0.00 0.00 1:00am 0.00 12:00am 0.03 -0.054 -0.054 1:00am -0.151 12:00am

UV Index

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Solar

0 0 12:00am 0 12:00am 0 -0.4 -0.4 1:00am -1.0 12:00am

Wind Chill

58.7 60.4 12:00am 58.7 12:58am 59.9 -1.84 -1.67 12:28am -1.93 12:00am

In Heat Index

72.7 72.9 12:07am 72.5 12:42am 72.8 -0.17 -0.08 1:00am -0.44 12:42am

Heat Index

61.8 63.5 12:06am 61.8 12:58am 62.8 -1.49 -0.95 12:07am -1.56 12:45am

Dew Point

49.3 51.0 12:06am 49.3 12:58am 49.8 -0.49 1.19 12:06am -0.53 12:45am

Barom Sea-level

30.01 30.02 12:03am 30.01 12:32am 30.01 0.003 0.015 12:03am 0.001 12:33am

Parameter

Month High Date Month Low Date Year High Date Year Low Date Yesterday High Yesterday Low 24 Hour Difference

Wind Direction

360 4/1/15 1 4/1/15 360 1/2/15 1 1/4/15 360 1 -113

Wind Speed

45 4/4/15 0 4/1/15 54 2/15/15 0 1/1/15 18 0 0

Gust

48 4/4/15 0 4/1/15 57 2/15/15 0 1/1/15 18 0 0

In Humidity

51 4/18/15 31 4/1/15 51 4/18/15 14 2/20/15 51 44 -1

Out Humidity

98 4/8/15 21 4/5/15 100 1/22/15 21 3/22/15 92 29 -14

In Temp

75.2 4/13/15 65.8 4/10/15 77.4 2/27/15 63.3 2/24/15 75.0 71.9 0.1

Out Temp

79.6 4/18/15 30.6 4/1/15 79.6 4/18/15 0.8 2/20/15 79.6 52.8 -2.1

Barometer

30.10 4/16/15 29.25 4/4/15 30.56 2/28/15 29.12 2/2/15 29.72 29.61 0.01

Rain

9.06 4/18/15 7.64 4/1/15 9.06 4/18/15 0.01 1/3/15 9.06 9.06 0.00

Ch 1 Temp

0.0 4/1/15 0.0 4/1/15 0.0 1/1/15 0.0 1/1/15 0.0 0.0 0.0

Ch 1 Hum

0 4/1/15 0 4/1/15 0 1/1/15 0 1/1/15 0 0 0

Ch 2 Temp

0.0 4/1/15 0.0 4/1/15 0.0 1/1/15 0.0 1/1/15 0.0 0.0 0.0

Ch 2 Hum

0 4/1/15 0 4/1/15 0 1/1/15 0 1/1/15 0 0 0

Ch 3 Temp

0.0 4/1/15 0.0 4/1/15 0.0 1/1/15 0.0 1/1/15 0.0 0.0 0.0

Ch 3 Hum

0 4/1/15 0 4/1/15 0 1/1/15 0 1/1/15 0 0 0

ET

0.19 4/11/15 0.00 4/1/15 0.19 4/11/15 0.00 1/1/15 0.15 0.00 0.00

UV Index

0.0 4/1/15 0.0 4/1/15 0.0 1/1/15 0.0 1/1/15 0.0 0.0 0.0

Solar

1106 4/17/15 0 4/1/15 1106 4/17/15 0 1/1/15 900 0 0

Wind Chill

79.6 4/18/15 29.0 4/1/15 79.6 4/18/15 -19.6 2/15/15 79.6 52.8 -2.1

In Heat Index

75.8 4/18/15 65.9 4/10/15 76.4 2/27/15 62.1 2/24/15 75.8 72.3 0.0

Heat Index

79.3 4/17/15 35.4 4/1/15 79.3 4/17/15 2.8 2/20/15 79.0 58.6 -3.9

Dew Point

62.1 4/17/15 19.3 4/4/15 62.1 4/17/15 -10.8 2/20/15 57.5 44.4 -6.9

Barom Sea-level

30.43 4/16/15 29.58 4/4/15 30.90 2/28/15 29.44 2/2/15 30.05 29.94 0.01

Press Altitude

216 Daily  Rain 0.00 Degree Heating 0.3 Monthly Degree Day Cooling 23.7 Heat Index --- Beaufort Calm

Cloud Base

2341 Hourly  Rain 0.00 Degree Cooling 0.0 Monthly Wind Run 1217 Comfort Index Cool    

Air Density

267 24Hr Rain 0.00 Moon Phase 0 Yearly Deg Day Heating 4883.2 Forecast Increasing clouds with little temperature change. Precip possible within 24 to 48 hrs    

Virtual Temp

61.0 Rain Rate 0.000 Monthly Rain 1.42 Yearly Degree Day Cooling 25.6 Station Barom Trend Steady    

Vapor Press

0.35 Wind Run 0 Monthly Deg Day Heating 171.6 Yearly Wind Run 7513 Barometer Trend Steady    

Updated Automatically by Ambient Software's Virtual Weather Station  V14.01
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