Dulles Airport, VA

12:03 PM EDT on May 27, 2018 (GMT -0400)
Washington Dulles International

Weather History for KIAD - October, 2012

Change the Weather History Date:

Thursday, October 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 64 °F 53 °F  
Max Temperature 70 °F 65 °F 77 °F (1963)
Min Temperature 57 °F 41 °F 27 °F (1969)
Degree Days  
Heating Degree Days 1 12  
Month to date heating degree days 193 219  
Since 1 July heating degree days 244 277  
Cooling Degree Days 0 0  
Month to date cooling degree days 16 16  
Year to date cooling degree days 1436 1173  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 83    
Maximum Humidity 97    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in 0.10 in 3.39 in (1971)
Month to date precipitation 3.22 2.60  
Year to date precipitation 25.98 34.52  
Snow  
Snow 0.00 in 0.00 in - ()
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 30.18 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 6 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 or City:

Astronomy

Oct. 25, 2012 Rise Set
Actual Time 7:30 AM EDT 6:17 PM EDT
Civil Twilight 7:02 AM EDT 6:44 PM EDT
Nautical Twilight 6:31 AM EDT 7:15 PM EDT
Astronomical Twilight 6:00 AM EDT 7:46 PM EDT
Moon 4:00 PM EDT (10/25) 3:26 AM EDT (10/25)
Length of Visible Light 11h 41m
Length of Day
10h 46m
Waxing Gibbous, 84% of the Moon is Illuminated
Oct 25
Waxing Gibbous
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 60.1 °F 54.0 °F 80% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:52 AM 59.0 °F 54.0 °F 83% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:52 AM 61.0 °F 55.9 °F 83% 30.14 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
3:52 AM 62.1 °F 55.9 °F 80% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:52 AM 61.0 °F 57.0 °F 87% 30.13 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
5:52 AM 60.1 °F 57.0 °F 90% 30.15 in 8.0 mi Calm Calm - N/A   Partly Cloudy
6:21 AM 59.0 °F 57.2 °F 94% 30.17 in 5.0 mi Calm Calm - N/A   Scattered Clouds
6:43 AM 60.8 °F 57.2 °F 88% 30.17 in 1.5 mi ESE 4.6 mph - N/A   Overcast
6:52 AM 60.1 °F 57.9 °F 93% 30.17 in 1.5 mi East 4.6 mph - N/A   Overcast
7:25 AM 60.8 °F 57.2 °F 88% 30.18 in 1.0 mi East 5.8 mph - N/A   Overcast
7:44 AM 60.8 °F 57.2 °F 88% 30.18 in 1.5 mi East 3.5 mph - N/A   Overcast
7:52 AM 60.8 °F 57.2 °F 88% 30.19 in 1.5 mi East 4.6 mph - N/A   Overcast
8:47 AM 60.8 °F 57.2 °F 88% 30.20 in 2.0 mi East 5.8 mph - N/A   Overcast
8:52 AM 60.8 °F 57.2 °F 88% 30.20 in 2.0 mi East 6.9 mph - N/A   Overcast
9:52 AM 62.1 °F 59.0 °F 90% 30.21 in 2.0 mi ESE 4.6 mph - N/A   Overcast
10:32 AM 62.6 °F 57.2 °F 82% 30.22 in 4.0 mi East 4.6 mph - N/A   Overcast
10:52 AM 62.1 °F 57.9 °F 86% 30.22 in 4.0 mi SE 6.9 mph - N/A   Overcast
11:52 AM 63.0 °F 57.9 °F 84% 30.21 in 4.0 mi East 4.6 mph - N/A   Haze
11:59 AM 64.4 °F 57.2 °F 77% 30.21 in 4.0 mi SE 3.5 mph - N/A   Haze
12:52 PM 64.9 °F 57.9 °F 78% 30.20 in 5.0 mi ESE 5.8 mph - N/A   Haze
1:43 PM 66.2 °F 57.2 °F 73% 30.20 in 5.0 mi East 4.6 mph - N/A   Haze
1:52 PM 66.0 °F 57.9 °F 75% 30.19 in 6.0 mi East 4.6 mph - N/A   Haze
2:52 PM 68.0 °F 57.9 °F 70% 30.18 in 7.0 mi East 3.5 mph - N/A   Mostly Cloudy
3:52 PM 69.8 °F 59.0 °F 68% 30.17 in 8.0 mi ESE 8.1 mph - N/A   Partly Cloudy
4:52 PM 69.1 °F 59.0 °F 70% 30.16 in 9.0 mi East 8.1 mph - N/A   Partly Cloudy
5:52 PM 66.9 °F 57.9 °F 73% 30.16 in 8.0 mi East 6.9 mph - N/A   Clear
6:52 PM 64.0 °F 57.9 °F 80% 30.18 in 8.0 mi East 4.6 mph - N/A   Clear
7:52 PM 63.0 °F 57.9 °F 84% 30.19 in 7.0 mi East 4.6 mph - N/A   Clear
8:52 PM 62.6 °F 57.2 °F 82% 30.18 in 6.0 mi East 4.6 mph - N/A   Clear
9:52 PM 60.1 °F 57.0 °F 90% 30.18 in 5.0 mi Calm Calm - N/A   Clear
10:52 PM 61.0 °F 59.0 °F 93% 30.18 in 5.0 mi Calm Calm - N/A   Overcast
11:52 PM 62.1 °F 60.1 °F 93% 30.18 in 5.0 mi Calm Calm - N/A   Overcast