Weather History for Dulles Airport, VA

Change the Weather History Date:

Thursday, November 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 47 °F 49 °F  
Max Temperature 55 °F 61 °F 77 °F (1975)
Min Temperature 39 °F 37 °F 18 °F (1967)
Degree Days  
Heating Degree Days 18 16  
Month to date heating degree days 182 120  
Since 1 July heating degree days 495 476  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1436 1176  
Moisture  
Dew Point 17 °F    
Average Humidity 37    
Maximum Humidity 57    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.11 in 2.14 in (1996)
Month to date precipitation T 0.93  
Year to date precipitation 31.63 36.10  
Snow  
Snow 0.00 in 0.00 in T in (1995)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 14 mph (NW)    
Max Wind Speed 25 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Nov. 08, 2012 Rise Set
Actual Time 6:45 AM EST 5:01 PM EST
Civil Twilight 6:17 AM EST 5:29 PM EST
Nautical Twilight 5:45 AM EST 6:01 PM EST
Astronomical Twilight 5:13 AM EST 6:32 PM EST
Moon 12:41 AM EST (11/8) 1:38 PM EST (11/8)
Length of Visible Light 11h 12m
Length of Day
10h 16m
Waning Crescent, 33% of the Moon is Illuminated
Nov 8
Waning Crescent
Nov 13
New
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 41.0 °F 35.2 °F 21.0 °F 45% 29.93 in 10.0 mi NNW 9.2 mph - N/A   Overcast
1:52 AM 41.0 °F 34.3 °F 19.0 °F 41% 29.93 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
2:52 AM 41.0 °F 34.3 °F 19.0 °F 41% 29.92 in 10.0 mi NW 11.5 mph - N/A   Overcast
3:52 AM 41.0 °F 33.9 °F 17.1 °F 38% 29.92 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Clear
4:52 AM 39.9 °F 32.9 °F 16.0 °F 38% 29.93 in 10.0 mi NNW 11.5 mph 20.7 mph N/A   Partly Cloudy
5:52 AM 39.0 °F 31.8 °F 15.1 °F 38% 29.94 in 10.0 mi NNW 11.5 mph - N/A   Partly Cloudy
6:52 AM 39.9 °F 31.8 °F 14.0 °F 35% 29.95 in 10.0 mi NNW 15.0 mph 21.9 mph N/A   Scattered Clouds
7:52 AM 41.0 °F 32.8 °F 15.1 °F 35% 29.97 in 10.0 mi NNW 16.1 mph - N/A   Mostly Cloudy
8:52 AM 42.1 °F 34.5 °F 14.0 °F 32% 29.99 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Mostly Cloudy
9:52 AM 46.0 °F 39.0 °F 14.0 °F 28% 29.99 in 10.0 mi NW 17.3 mph 23.0 mph N/A   Mostly Cloudy
10:52 AM 48.0 °F - 14.0 °F 26% 29.99 in 10.0 mi NW 20.7 mph - N/A   Scattered Clouds
11:52 AM 51.1 °F - 12.9 °F 22% 29.98 in 10.0 mi NNW 15.0 mph 27.6 mph N/A   Partly Cloudy
12:52 PM 53.1 °F - 14.0 °F 21% 29.96 in 10.0 mi NNW 20.7 mph 26.5 mph N/A   Partly Cloudy
1:52 PM 54.0 °F - 8.1 °F 16% 29.95 in 10.0 mi NNW 24.2 mph 31.1 mph N/A   Partly Cloudy
2:52 PM 54.0 °F - 8.1 °F 16% 29.95 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Partly Cloudy
3:52 PM 53.1 °F - 10.9 °F 19% 29.96 in 10.0 mi NNW 17.3 mph - N/A   Partly Cloudy
4:52 PM 50.0 °F - 12.9 °F 23% 29.98 in 10.0 mi NNW 11.5 mph - N/A   Partly Cloudy
5:52 PM 48.0 °F - 15.1 °F 27% 30.01 in 10.0 mi NW 10.4 mph - N/A   Clear
6:52 PM 45.0 °F 38.9 °F 19.9 °F 37% 30.03 in 10.0 mi NW 12.7 mph - N/A   Clear
7:52 PM 44.1 °F 39.5 °F 25.0 °F 47% 30.05 in 10.0 mi NW 8.1 mph - N/A   Clear
8:52 PM 45.0 °F 39.3 °F 26.1 °F 48% 30.06 in 10.0 mi NW 11.5 mph - N/A   Clear
9:52 PM 44.1 °F 38.1 °F 27.0 °F 51% 30.08 in 10.0 mi NW 11.5 mph - N/A   Clear
10:52 PM 43.0 °F 37.2 °F 28.0 °F 56% 30.07 in 10.0 mi NW 10.4 mph - N/A   Clear
11:52 PM 42.1 °F 36.1 °F 28.9 °F 60% 30.08 in 10.0 mi NW 10.4 mph - N/A   Clear