Dulles Airport, VA

6:52 PM EDT on June 24, 2018 (GMT -0400)
Washington Dulles International

Weather History for KIAD - October, 2017

Change the Weather History Date:

Thursday, October 12, 2017

  Actual Average Record
Temperature  
Mean Temperature 62 °F 57 °F  
Max Temperature 66 °F 69 °F 83 °F (1995)
Min Temperature 58 °F 45 °F 25 °F (1964)
Degree Days  
Heating Degree Days 3 9  
Month to date heating degree days 28 83  
Since 1 July heating degree days 69 141  
Cooling Degree Days 0 1  
Month to date cooling degree days 57 14  
Year to date cooling degree days 1273 1171  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation T in 0.10 in 0.78 in (1990)
Month to date precipitation 1.40 1.27  
Year to date precipitation 36.15 33.19  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall T 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 16 mph    
Max Gust Speed 24 mph    
Visibility 8 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 or City:

Astronomy

Oct. 12, 2017 Rise Set
Actual Time 7:16 AM EDT 6:35 PM EDT
Civil Twilight 6:49 AM EDT 7:02 PM EDT
Nautical Twilight 6:18 AM EDT 7:32 PM EDT
Astronomical Twilight 5:47 AM EDT 8:03 PM EDT
Moon No Moon Rise 2:23 PM EDT (10/12)
Length of Visible Light 12h 12m
Length of Day
11h 18m
Waning Gibbous, 49% of the Moon is Illuminated
Oct 12
Waning Gibbous
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 66.0 °F 66.0 °F 100% 30.07 in 3.0 mi NE 10.4 mph - 0.05 in Rain Light Rain
12:20 AM 66.0 °F 66.0 °F 100% 30.06 in 6.0 mi ENE 5.8 mph - 0.06 in Rain Light Rain
12:52 AM 66.0 °F 64.9 °F 96% 30.04 in 10.0 mi East 8.1 mph - 0.06 in   Overcast
1:40 AM 66.0 °F 66.0 °F 100% 30.07 in 10.0 mi NNE 5.8 mph - N/A   Overcast
1:52 AM 66.0 °F 64.9 °F 96% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Overcast
2:12 AM 66.0 °F 64.9 °F 96% 30.07 in 10.0 mi NNE 8.1 mph - N/A   Overcast
2:52 AM 66.0 °F 66.0 °F 100% 30.08 in 10.0 mi NNE 8.1 mph - N/A   Overcast
3:52 AM 64.9 °F 64.9 °F 100% 30.09 in 10.0 mi NNE 10.4 mph - N/A   Overcast
4:52 AM 64.9 °F 64.9 °F 100% 30.10 in 10.0 mi NE 9.2 mph - N/A   Overcast
5:52 AM 64.0 °F 64.0 °F 100% 30.12 in 7.0 mi ENE 11.5 mph - 0.00 in   Light Drizzle
6:12 AM 64.0 °F 63.0 °F 96% 30.13 in 10.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
6:34 AM 64.0 °F 63.0 °F 96% 30.14 in 7.0 mi ENE 5.8 mph - 0.00 in   Overcast
6:44 AM 64.0 °F 63.0 °F 96% 30.15 in 6.0 mi NE 6.9 mph - 0.00 in   Overcast
6:52 AM 64.0 °F 63.0 °F 96% 30.14 in 6.0 mi NE 11.5 mph - 0.00 in   Overcast
7:52 AM 64.0 °F 63.0 °F 96% 30.16 in 5.0 mi ENE 9.2 mph - N/A   Overcast
8:52 AM 64.0 °F 62.1 °F 93% 30.20 in 5.0 mi East 17.3 mph 24.2 mph N/A   Overcast
9:52 AM 64.0 °F 61.0 °F 90% 30.21 in 7.0 mi ENE 10.4 mph - N/A   Overcast
10:52 AM 63.0 °F 61.0 °F 93% 30.23 in 10.0 mi East 10.4 mph 19.6 mph N/A   Overcast
11:52 AM 63.0 °F 61.0 °F 93% 30.25 in 7.0 mi ENE 10.4 mph - N/A   Overcast
12:11 PM 62.1 °F 60.1 °F 93% 30.25 in 7.0 mi ENE 10.4 mph - N/A   Overcast
12:52 PM 62.1 °F 60.1 °F 93% 30.25 in 7.0 mi NE 13.8 mph - N/A   Overcast
1:34 PM 62.1 °F 59.0 °F 90% 30.25 in 6.0 mi ENE 11.5 mph - 0.00 in   Light Drizzle
1:52 PM 62.1 °F 59.0 °F 90% 30.24 in 7.0 mi ENE 11.5 mph 20.7 mph 0.00 in   Overcast
2:10 PM 62.1 °F 59.0 °F 90% 30.25 in 8.0 mi East 9.2 mph - N/A   Overcast
2:52 PM 62.1 °F 57.9 °F 86% 30.25 in 8.0 mi East 10.4 mph 21.9 mph N/A   Overcast
3:52 PM 62.1 °F 57.9 °F 86% 30.25 in 10.0 mi East 6.9 mph - N/A   Overcast
4:52 PM 62.1 °F 57.9 °F 86% 30.25 in 10.0 mi ENE 5.8 mph - N/A   Overcast
5:52 PM 62.1 °F 57.9 °F 86% 30.27 in 10.0 mi East 12.7 mph - N/A   Overcast
6:31 PM 61.0 °F 57.9 °F 90% 30.28 in 10.0 mi ENE 10.4 mph - N/A   Overcast
6:52 PM 61.0 °F 57.9 °F 90% 30.29 in 10.0 mi East 12.7 mph - N/A   Overcast
7:52 PM 60.1 °F 57.0 °F 90% 30.31 in 10.0 mi East 8.1 mph - N/A   Overcast
8:52 PM 59.0 °F 57.0 °F 93% 30.32 in 10.0 mi East 9.2 mph - N/A   Overcast
9:14 PM 59.0 °F 55.0 °F 87% 30.32 in 10.0 mi East 12.7 mph - N/A   Overcast
9:37 PM 59.0 °F 55.0 °F 87% 30.33 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
9:52 PM 57.9 °F 55.0 °F 90% 30.33 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
10:52 PM 57.9 °F 55.0 °F 90% 30.33 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
11:52 PM 59.0 °F 54.0 °F 83% 30.34 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy