Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
13 09:52 Calm 10.00 Mostly Cloudy FEW006 BKN011 BKN015 BKN250 75.9 72 88% 76 29.95 1013.9
13 08:52 S 3 10.00 Mostly Cloudy BKN007 BKN011 BKN250 73.9 72 94% 29.95 1013.8
13 07:52 Calm 10.00 Mostly Cloudy BKN009 BKN019 BKN090 BKN250 73 72 73.9 72 96% 29.94 1013.5 0.03
13 06:52 Calm 10.00 Mostly Cloudy BKN007 BKN025 BKN100 BKN250 72 72 100% 29.92 1012.7 0.01
13 05:52 SE 6 10.00 Light Rain FEW006 BKN010 OVC050 72 71.1 97% 29.9 1012.2 0.01
13 04:52 W 3 8.00 Light Rain BKN008 OVC012 73 72 96% 29.92 1012.9 0.01
13 03:52 Calm 10.00 Overcast OVC010 73 72 96% 29.94 1013.6
13 02:52 E 5 8.00 Light Rain OVC011 73.9 71.1 91% 29.95 1014.0 0.01
13 01:52 E 3 10.00 Overcast BKN011 OVC018 73.9 71.1 77 73.9 91% 29.98 1014.8
13 00:52 Calm 10.00 Overcast BKN012 OVC030 73.9 71.1 91% 29.98 1015.0
12 23:52 SE 5 10.00 Overcast BKN015 BKN032 OVC120 73.9 72 94% 29.98 1014.9
12 22:52 S 5 10.00 Overcast BKN015 OVC025 75 72 90% 74 30 1015.7
12 21:52 SE 8 10.00 Mostly Cloudy FEW015 BKN025 BKN044 BKN180 75.9 72 88% 76 30.01 1016.0
12 20:52 SE 7 10.00 Mostly Cloudy BKN020 BKN060 BKN120 BKN250 77 72 85% 78 30.01 1016.1
12 19:52 E 7 10.00 Mostly Cloudy SCT020 BKN032 BKN110 BKN250 77 72 80.1 77 85% 78 30.01 1015.8
12 18:52 E 6 10.00 Mostly Cloudy SCT020 BKN030 BKN060 BKN150 BKN250 78.1 72 82% 80 30.01 1016.0
12 17:52 SE 8 10.00 Mostly Cloudy SCT020 SCT041 BKN060 BKN250 79 72 79% 82 30 1015.5
12 16:52 SE 7 10.00 Mostly Cloudy BKN020 BKN035 BKN055 BKN250 79 72 79% 82 29.99 1015.2
12 15:52 SE 10 10.00 Mostly Cloudy BKN021 BKN035 BKN055 79 72 79% 82 30.01 1016.1
12 14:52 SE 10 10.00 Overcast BKN023 OVC036 79 70 74% 82 30.05 1017.2
12 13:52 SE 8 10.00 Overcast BKN025 OVC035 78.1 70 80.1 71.1 76% 80 30.06 1017.5
12 12:52 S 10 10.00 Overcast BKN025 OVC038 78.1 69.1 74% 80 30.07 1018.0
12 11:52 SE 10 10.00 Mostly Cloudy SCT023 BKN045 BKN250 80.1 69.1 69% 83 30.08 1018.1
12 10:52 SE 8 10.00 Mostly Cloudy FEW016 BKN034 BKN250 75.9 66.9 74% 77 30.09 1018.5
12 09:52 SE 9 10.00 Overcast FEW016 OVC033 73 66 79% 30.08 1018.5
12 08:52 SE 6 10.00 Overcast OVC036 72 66 82% 30.09 1018.6
12 07:52 E 5 10.00 Overcast BKN039 OVC050 71.1 66.9 71.1 66.9 87% 30.08 1018.2
12 06:52 E 3 10.00 Overcast FEW025 SCT038 OVC047 70 66 87% 30.07 1017.8
12 05:52 E 3 10.00 Overcast FEW025 OVC041 70 66.9 90% 30.05 1017.3
12 04:52 E 3 10.00 Overcast OVC044 70 66.9 90% 30.05 1017.2
12 03:52 Calm 10.00 Mostly Cloudy FEW040 BKN055 BKN160 BKN250 68 66 93% 30.05 1017.3
12 02:52 Calm 10.00 Mostly Cloudy BKN160 BKN250 68 66 93% 30.04 1017.1
12 01:52 Calm 10.00 Mostly Cloudy BKN160 BKN250 66.9 64.9 73.9 66 93% 30.04 1017.1
12 00:52 Calm 10.00 Partly Cloudy SCT090 SCT250 66.9 64.9 93% 30.05 1017.3
11 23:52 Calm 10.00 Partly Cloudy FEW090 SCT250 66.9 64.9 93% 30.05 1017.4
11 22:52 Calm 10.00 Partly Cloudy SCT250 71.1 66 84% 30.05 1017.4
11 21:52 SE 6 10.00 Partly Cloudy SCT250 72 66 82% 30.05 1017.2
11 20:52 S 5 10.00 Partly Cloudy FEW032 SCT250 73 66.9 81% 30.03 1016.5
11 19:52 SE 3 10.00 Mostly Cloudy FEW032 FEW080 BKN250 73.9 66.9 79 73 79% 30 1015.4
11 18:52 E 3 10.00 Mostly Cloudy FEW037 FEW085 BKN250 77 66 69% 79 29.98 1015.1
11 17:52 Calm 10.00 Mostly Cloudy FEW039 FEW085 BKN250 79 66.9 67% 81 29.99 1015.3
11 16:52 E 5 10.00 Mostly Cloudy FEW027 FEW035 SCT085 BKN240 79 66.9 67% 81 29.98 1014.9
11 15:52 NE 5 10.00 Mostly Cloudy SCT030 BKN075 BKN230 78.1 66.9 69% 80 30 1015.6
11 14:52 E 3 10.00 Mostly Cloudy FEW025 SCT035 BKN075 BKN230 78.1 66.9 69% 80 30.02 1016.2
11 13:52 NE 7 10.00 Mostly Cloudy FEW020 SCT033 BKN070 BKN200 77 68 77 70 74% 79 30.02 1016.2
11 12:52 NE 6 10.00 Mostly Cloudy FEW020 BKN033 BKN075 77 69.1 77% 79 30.03 1016.5
11 11:52 NE 6 10.00 Overcast FEW016 BKN031 OVC070 75.9 69.1 79% 77 30.03 1016.6
11 10:52 N 8 10.00 Overcast FEW015 BKN027 OVC070 75.9 69.1 79% 77 30.03 1016.5
11 09:52 NW 5 10.00 Overcast FEW012 BKN044 OVC080 73 69.1 87% 30.01 1016.0
11 08:52 NW 3 10.00 Overcast FEW011 BKN044 OVC080 72 69.1 91% 30 1015.6
11 07:52 W 5 7.00 Overcast FEW010 BKN034 OVC060 70 68 78.1 68 93% 29.99 1015.4 0.56
11 06:52 Calm 2.50 Light Rain Fog/Mist FEW004 BKN037 OVC055 68 66.9 96% 29.98 1015.0 0.33
11 05:52 N 6 2.00 Heavy Rain Fog/Mist BKN032 OVC060 69.1 68 96% 29.97 1014.6 0.21
11 04:52 NW 7 10.00 Overcast OVC060 72 69.1 91% 29.97 1014.3 0.02
11 03:52 NW 8 10.00 Overcast FEW049 OVC065 73 70 90% 29.95 1013.9 0.02
11 02:52 W 3 10.00 Light Rain OVC075 75 69.1 82% 75 29.94 1013.5
11 01:52 NW 3 10.00 Overcast FEW070 OVC090 78.1 66.9 81 78.1 69% 80 29.94 1013.5
11 00:52 NW 5 10.00 Mostly Cloudy BKN110 78.1 66.9 69% 80 29.94 1013.4
10 23:52 NW 7 10.00 Overcast OVC110 79 66.9 67% 81 29.94 1013.4
10 22:52 NW 7 10.00 Mostly Cloudy BKN120 80.1 66.9 64% 82 29.93 1013.2
10 21:52 NW 6 10.00 Mostly Cloudy BKN170 BKN250 80.1 68 67% 83 29.93 1013.0
10 20:52 NW 6 10.00 Mostly Cloudy FEW100 BKN170 BKN250 79 68 69% 81 29.92 1013.0
10 19:52 NW 6 10.00 Partly Cloudy FEW080 SCT160 SCT250 81 66.9 88 81 62% 83 29.91 1012.5
10 18:52 NW 9 10.00 Mostly Cloudy FEW040 FEW080 BKN160 BKN250 84.9 66.9 55% 88 29.91 1012.3
10 17:52 W 10 10.00 Mostly Cloudy FEW040 SCT080 BKN160 BKN250 84.9 68 57% 88 29.91 1012.4
10 16:52 NW 10 10.00 Mostly Cloudy SCT070 BKN140 BKN250 86 68 55% 89 29.91 1012.5
10 15:52 W 9 10.00 Mostly Cloudy SCT045 BKN065 BKN110 BKN250 86 68 55% 89 29.92 1012.9
10 14:52 W 13 G 18 10.00 Mostly Cloudy BKN050 BKN110 BKN250 88 69.1 54% 92 29.92 1012.8
10 13:52 W 12 G 18 10.00 Mostly Cloudy BKN050 BKN110 BKN220 87.1 69.1 87.1 73 55% 91 29.94 1013.5
10 12:52 W 8 10.00 Mostly Cloudy SCT040 BKN140 BKN240 84.9 70 61% 89 29.96 1014.2
10 11:52 W 10 10.00 Mostly Cloudy SCT050 BKN160 BKN220 82.9 69.1 63% 87 29.97 1014.5
10 10:52 W 3 10.00 Mostly Cloudy SCT050 BKN130 BKN250 81 69.1 67% 84 29.98 1014.7
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)