Weather History for Dulles Airport, VA

Change the Weather History Date:

Wednesday, June 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 72 °F  
Max Temperature 89 °F 83 °F 96 °F (1986)
Min Temperature 65 °F 60 °F 44 °F (1972)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 13  
Since 1 June heating degree days 0 13  
Since 1 July heating degree days 4560 4715  
Cooling Degree Days 12 7  
Month to date cooling degree days 84 71  
Year to date cooling degree days 223 163  
Since 1 June cooling degree days 84 71  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 68    
Maximum Humidity 93    
Minimum Humidity 43    
Precipitation  
Precipitation T in 0.13 in 1.88 in (1968)
Month to date precipitation 3.56 1.65  
Year to date precipitation 17.55 18.47  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 12.7 22.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Rain    
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

Jun. 12, 2013 Rise Set
Actual Time 5:43 AM EDT 8:35 PM EDT
Civil Twilight 5:11 AM EDT 9:07 PM EDT
Nautical Twilight 4:31 AM EDT 9:48 PM EDT
Astronomical Twilight 3:45 AM EDT 10:34 PM EDT
Moon 9:19 AM EDT 11:12 PM EDT
Length of Visible Light 15h 56m
Length of Day
14h 52m
Waxing Crescent, 14% of the Moon is Illuminated
Jun 12
Waxing Crescent
Jun 16
First Quarter
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 73.9 °F - 60.1 °F 62% 29.86 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:52 AM 66.9 °F - 61.0 °F 81% 29.85 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:52 AM 68.0 °F - 62.1 °F 81% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
3:52 AM 64.9 °F - 62.1 °F 90% 29.86 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
4:52 AM 66.9 °F - 62.1 °F 84% 29.87 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
5:52 AM 66.9 °F - 61.0 °F 81% 29.86 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
6:52 AM 69.1 °F - 62.1 °F 78% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:52 AM 72.0 °F - 63.0 °F 73% 29.87 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
8:52 AM 78.1 °F - 64.9 °F 64% 29.87 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
9:52 AM 82.0 °F 83.8 °F 64.9 °F 56% 29.86 in 10.0 mi West 8.1 mph - N/A   Clear
10:52 AM 84.0 °F 85.4 °F 64.0 °F 51% 29.86 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Scattered Clouds
11:52 AM 84.9 °F 86.1 °F 64.0 °F 49% 29.86 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
12:52 PM 86.0 °F 86.8 °F 63.0 °F 46% 29.86 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
1:52 PM 87.1 °F 87.5 °F 62.1 °F 43% 29.85 in 10.0 mi West 15.0 mph 24.2 mph N/A   Mostly Cloudy
2:52 PM 88.0 °F 88.7 °F 63.0 °F 43% 29.83 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:52 PM 88.0 °F 89.3 °F 64.0 °F 45% 29.83 in 10.0 mi West 8.1 mph 17.3 mph N/A   Mostly Cloudy
4:52 PM 89.1 °F 90.3 °F 64.0 °F 43% 29.81 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
5:52 PM 88.0 °F 89.3 °F 64.0 °F 45% 29.79 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
6:52 PM 87.1 °F 88.9 °F 64.9 °F 48% 29.80 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
7:52 PM 84.0 °F 87.0 °F 68.0 °F 58% 29.82 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
8:52 PM 80.1 °F 82.7 °F 68.0 °F 67% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:52 PM 75.9 °F - 71.1 °F 85% 29.82 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
10:52 PM 77.0 °F - 68.0 °F 74% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:52 PM 73.9 °F - 68.0 °F 82% 29.81 in 10.0 mi Calm Calm - N/A   Mostly Cloudy