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.
22 23:52 S 5 10.00 Fair CLR 66.9 54 63% 30.1 1018.8
22 22:52 S 7 10.00 Fair CLR 68 55 63% 30.08 1018.3
22 21:52 SE 5 10.00 Fair CLR 69.1 55 61% 30.08 1018.3
22 20:52 S 6 10.00 A Few Clouds FEW100 72 54 53% 30.06 1017.6
22 19:52 S 7 10.00 A Few Clouds FEW060 73.9 57 84 73.9 56% 30.04 1016.9
22 18:52 S 6 10.00 A Few Clouds FEW060 FEW110 78.1 57.9 50% 79 30.03 1016.7
22 17:52 S 5 10.00 Partly Cloudy FEW070 SCT110 78.1 57.9 50% 79 30.03 1016.7
22 16:52 SE 3 10.00 A Few Clouds FEW060 FEW110 79 57.9 49% 80 30.03 1016.6
22 15:52 NE 6 10.00 Partly Cloudy SCT060 82 55 40% 81 30.04 1016.8
22 14:52 E 7 10.00 Mostly Cloudy BKN060 82 55.9 41% 82 30.05 1017.3
22 13:52 Vrbl 6 10.00 Mostly Cloudy SCT055 BKN070 81 57.9 81 69.1 45% 81 30.06 1017.6
22 12:52 NE 6 10.00 Mostly Cloudy SCT048 BKN060 79 57.9 49% 80 30.07 1017.9
22 11:52 N 6 10.00 Mostly Cloudy SCT029 BKN038 BKN055 75.9 62.1 62% 78 30.07 1018.0
22 10:52 Vrbl 6 10.00 Mostly Cloudy BKN025 BKN050 75 64 69% 77 30.08 1018.2
22 09:52 NW 6 10.00 Partly Cloudy SCT023 SCT050 73.9 63 69% 30.06 1017.8
22 08:52 N 6 10.00 Mostly Cloudy BKN050 71.1 63 76% 30.06 1017.8
22 07:52 NW 6 10.00 Mostly Cloudy BKN050 69.1 64 69.1 64.9 84% 30.05 1017.4
22 06:52 W 5 10.00 Mostly Cloudy BKN050 68 63 84% 30.04 1017.0
22 05:52 NW 5 10.00 Overcast BKN029 OVC043 68 63 84% 30.02 1016.3
22 04:52 Calm 10.00 Overcast FEW030 OVC045 66.9 64 91% 30.01 1016.0
22 03:52 Calm 10.00 Overcast BKN028 OVC050 66.9 63 87% 30 1015.7
22 02:52 NW 3 10.00 Overcast BKN023 OVC050 66 63 90% 29.99 1015.5
22 01:52 Calm 10.00 Overcast OVC038 66 64 70 66 93% 29.99 1015.3
22 00:52 NW 5 10.00 Mostly Cloudy BKN085 66.9 63 87% 29.98 1015.1
21 23:52 NE 3 10.00 Overcast OVC085 68 63 84% 29.98 1014.9
21 22:52 N 7 10.00 Overcast FEW055 OVC090 69.1 62.1 78% 29.97 1014.7
21 21:52 NE 6 10.00 Partly Cloudy SCT055 68 62.1 81% 29.97 1014.6
21 20:52 NE 7 10.00 A Few Clouds FEW060 70 62.1 76% 29.94 1013.8
21 19:52 N 7 10.00 Mostly Cloudy BKN050 70 62.1 73 69.1 76% 29.93 1013.4
21 18:52 N 10 10.00 Mostly Cloudy FEW022 BKN055 72 63 73% 29.93 1013.4
21 17:52 NE 12 10.00 Overcast BKN021 OVC034 71.1 63 76% 29.94 1013.7
21 16:52 NE 8 10.00 Overcast OVC021 70 62.1 76% 29.94 1013.7
21 15:52 N 14 10.00 Overcast BKN019 OVC035 71.1 62.1 73% 29.93 1013.3
21 14:52 N 14 10.00 Overcast BKN017 OVC033 71.1 62.1 73% 29.93 1013.1
21 13:52 N 10 7.00 Overcast OVC015 70 62.1 70 64 76% 29.92 1013.0
21 12:52 NE 8 10.00 Overcast OVC014 66.9 61 81% 29.94 1013.5
21 11:52 N 9 7.00 Overcast OVC012 66.9 61 81% 29.94 1013.6
21 10:52 N 13 7.00 Overcast OVC010 64.9 60.1 84% 29.94 1013.7
21 09:52 N 9 6.00 Fog/Mist OVC007 64 61 90% 29.94 1013.6
21 08:52 N 12 9.00 Light Drizzle Fog/Mist OVC008 64 62.1 93% 29.94 1013.7
21 07:52 N 13 5.00 Light Drizzle Fog/Mist OVC006 64.9 63 72 64.9 93% 29.93 1013.3 0.01
21 06:52 NE 12 7.00 Overcast OVC009 66.9 64.9 93% 29.92 1012.7 0.01
21 05:52 N 12 6.00 Light Rain Fog/Mist OVC005 66.9 66 97% 29.9 1012.0
21 04:52 NE 12 7.00 Overcast OVC007 70 68 93% 29.89 1011.9
21 03:52 NE 8 6.00 Light Drizzle Fog/Mist BKN009 OVC015 71.1 69.1 94% 29.89 1011.9
21 02:52 NE 10 7.00 Overcast OVC006 71.1 70 96% 29.89 1011.9
21 01:52 NE 8 7.00 Overcast OVC006 72 70 75.9 72 94% 29.9 1012.1
21 00:52 NE 7 8.00 Overcast OVC006 72 70 94% 29.92 1012.7
20 23:52 NE 9 10.00 Overcast OVC007 73 70 90% 29.93 1013.1
20 22:52 NE 10 10.00 Overcast OVC010 73.9 70 88% 29.93 1013.1
20 21:52 NE 12 10.00 Overcast OVC010 73.9 70 88% 29.92 1013.0
20 20:52 NE 7 10.00 Overcast BKN013 OVC025 75 71.1 88% 75 29.92 1012.8
20 19:52 N 8 10.00 Overcast BKN016 OVC025 75.9 71.1 82 75.9 85% 76 29.91 1012.5
20 18:52 N 9 10.00 Overcast BKN029 OVC110 77 71.1 82% 79 29.9 1012.1
20 17:52 Calm 10.00 Mostly Cloudy SCT033 BKN080 BKN150 81 69.1 67% 84 29.9 1012.3
20 16:52 E 3 10.00 Mostly Cloudy BKN030 BKN150 81 69.1 67% 84 29.91 1012.7
20 15:52 E 3 10.00 Overcast BKN030 OVC150 80.1 69.1 69% 83 29.92 1012.8
20 14:52 Vrbl 3 10.00 Overcast SCT022 OVC030 79 69.1 72% 82 29.93 1013.3
20 13:52 Calm 10.00 Overcast BKN018 OVC025 75.9 69.1 75.9 68 79% 77 29.95 1014.0 0.01
20 12:52 S 3 10.00 Overcast BKN016 OVC024 75 69.1 82% 75 29.96 1014.3
20 11:52 Calm 7.00 Overcast OVC009 72 69.1 91% 29.98 1015.1
20 10:52 Calm 7.00 Overcast OVC007 71.1 68 90% 29.99 1015.4 0.01
20 09:52 E 3 2.50 Light Drizzle Fog/Mist OVC006 70 68 93% 29.99 1015.4 0.01
20 08:52 NE 5 8.00 Overcast OVC007 69.1 66.9 93% 30 1015.9
20 07:52 Calm 10.00 Overcast OVC006 68 66 68 66 93% 30 1015.8
20 06:52 N 3 10.00 Overcast OVC005 66.9 66 97% 30.01 1016.2
20 05:52 E 5 10.00 Overcast OVC006 66.9 66 97% 30.01 1016.1
20 04:52 NE 3 10.00 Overcast OVC006 66.9 66 97% 30.02 1016.4
20 03:52 Calm 10.00 Overcast BKN008 OVC012 66.9 66 97% 30.03 1016.6
20 02:52 NE 5 6.00 Light Drizzle Fog/Mist BKN009 OVC018 66.9 66 97% 30.05 1017.5
20 01:52 E 6 10.00 Overcast BKN009 OVC020 66.9 64.9 70 66.9 93% 30.07 1018.0
20 00:52 E 5 7.00 Overcast OVC011 66.9 66 97% 30.08 1018.5
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)