Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
18 11:52 SW 7 16.09 Mostly Cloudy BKN022 BKN100 BKN250 28.9 23.3 72% 33 76 1012.7
18 10:52 Calm 16.09 Mostly Cloudy BKN017 BKN250 27.8 23.3 77% 31 76.02 1013.2
18 09:52 Calm 11.27 Overcast SCT008 OVC013 26.1 23.9 88% 28 76.05 1013.6
18 08:52 Calm 3.22 Fog/Mist OVC006 24.4 23.9 97% 24 76.02 1013.2
18 07:52 Calm 1.21 Light Drizzle Fog/Mist OVC002 23.9 23.9 23.9 23.3 100% 22 76.02 1013.3
18 06:52 S 9 1.21 Fog/Mist OVC002 23.9 23.3 96% 23 76.02 1013.1
18 05:52 SE 9 1.61 Fog/Mist OVC002 23.3 23.3 100% 75.97 1012.6
18 04:52 E 6 3.22 Fog/Mist OVC002 23.3 23.3 100% 75.97 1012.5
18 03:52 Calm 4.02 Fog/Mist OVC002 23.3 23.3 100% 76 1013.0
18 02:52 Calm 6.44 Fog/Mist OVC003 23.9 23.3 96% 23 76.05 1013.4
18 01:52 S 11 9.66 Fog/Mist OVC003 23.9 23.3 25.6 23.3 96% 23 76.02 1013.3
18 00:52 S 6 14.48 Overcast OVC005 23.3 22.8 97% 76.07 1013.8
17 23:52 SE 7 16.09 Overcast OVC005 23.3 22.8 97% 76.07 1013.9
17 22:52 SE 7 16.09 Partly Cloudy FEW017 FEW032 SCT150 23.3 22.8 97% 76.1 1014.1
17 21:52 SE 13 16.09 Partly Cloudy FEW017 FEW032 SCT150 SCT250 23.9 22.8 94% 23 76.05 1013.6
17 20:52 S 11 16.09 Partly Cloudy FEW020 FEW033 SCT150 SCT250 24.4 22.8 91% 24 76.02 1013.1
17 19:52 SE 11 16.09 Mostly Cloudy FEW019 SCT044 BKN150 BKN250 25.6 22.8 27.2 25 85% 27 76.02 1013.3 0.05
17 18:52 SE 15 16.09 Mostly Cloudy FEW025 SCT042 BKN150 BKN250 26.1 22.8 82% 28 76 1013.0
17 17:52 SE 13 16.09 Mostly Cloudy SCT016 SCT120 BKN160 BKN250 26.1 22.8 82% 28 76.02 1013.2
17 16:52 SE 9 16.09 Light Rain FEW032 SCT050 BKN095 BKN140 BKN250 25.6 23.3 87% 27 76.05 1013.4 0.05 0.05
17 15:52 S 7 16.09 Mostly Cloudy FEW018 SCT025 BKN030 25.6 21.7 79% 27 76.1 1014.3
17 14:52 S 15 16.09 Mostly Cloudy SCT021 BKN028 BKN250 26.7 22.2 76% 29 76.12 1014.7
17 13:52 S 13 16.09 Mostly Cloudy FEW008 BKN014 BKN030 25 21.7 25.6 20 82% 26 76.15 1015.0
17 12:52 S 13 12.87 Light Rain BKN007 OVC012 23.3 21.7 91% 76.23 1016.2
17 11:52 S 11 16.09 Overcast OVC008 22.8 21.1 90% 76.25 1016.5
17 10:52 S 13 12.87 Overcast OVC008 22.2 21.1 94% 76.25 1016.4
17 09:52 S 6 8.05 Fog/Mist OVC004 21.7 20.6 94% 76.2 1015.8
17 08:52 SE 7 3.22 Fog/Mist OVC003 20.6 20.6 100% 76.23 1016.1
17 07:52 SE 7 2.82 Fog/Mist OVC004 20 19.4 20 18.9 96% 76.23 1016.1 0.08
17 06:52 Calm 1.61 Fog/Mist OVC005 19.4 19.4 100% 76.23 1016.0
17 05:52 Calm 1.61 Fog/Mist OVC004 19.4 18.9 97% 76.23 1016.2
17 04:52 Calm 4.83 Fog/Mist OVC004 18.9 18.9 100% 76.23 1016.1 0.08
17 03:52 Calm 4.02 Light Rain Fog/Mist OVC005 18.9 18.9 100% 76.2 1015.8 0.05
17 02:52 N 6 4.02 Fog/Mist OVC005 18.9 18.3 96% 76.23 1016.2 0.03
17 01:52 Calm 3.22 Light Rain Fog/Mist OVC006 18.9 18.3 19.4 18.9 96% 76.28 1016.6 0.03 0.03
17 00:52 Calm 4.02 Fog/Mist OVC006 18.9 18.3 96% 76.28 1016.8
16 23:52 NE 6 16.09 Overcast OVC011 18.9 18.3 96% 76.3 1016.9
16 22:52 E 6 16.09 Overcast FEW006 OVC008 18.9 18.3 96% 76.3 1017.2
16 21:52 E 7 11.27 Overcast OVC007 18.9 18.3 96% 76.3 1017.1
16 20:52 Calm 16.09 Overcast SCT007 BKN014 OVC022 18.9 18.3 96% 76.3 1016.9
16 19:52 E 7 16.09 Light Drizzle BKN007 OVC019 19.4 18.3 20 18.9 93% 76.28 1016.8 0.05
16 18:52 E 6 4.02 Light Drizzle Fog/Mist BKN007 OVC015 19.4 18.3 93% 76.3 1017.1 0.03
16 17:52 E 6 12.87 Overcast OVC008 19.4 18.3 93% 76.3 1017.0
16 16:52 E 7 6.44 Fog/Mist BKN006 OVC013 19.4 18.3 93% 76.3 1017.1 0.03
16 15:52 E 7 3.22 Light Rain Fog/Mist BKN005 OVC014 19.4 18.3 93% 76.35 1017.7
16 14:52 NE 9 8.05 Fog/Mist BKN006 OVC016 18.9 17.8 93% 76.38 1018.1 0.03
16 13:52 E 6 6.44 Light Rain Fog/Mist BKN008 OVC015 19.4 17.8 19.4 17.2 91% 76.4 1018.3
16 12:52 NE 6 16.09 Overcast OVC008 18.9 17.2 90% 76.43 1018.8
16 11:52 NE 9 16.09 Light Rain BKN007 OVC012 17.8 16.7 93% 76.43 1018.9
16 10:52 N 9 16.09 Overcast BKN007 OVC013 17.8 16.7 93% 76.45 1019.1
16 09:52 NE 13 16.09 Overcast BKN009 OVC015 17.2 16.1 93% 76.45 1019.0
16 08:52 NE 11 8.05 Fog/Mist BKN007 OVC012 17.2 16.7 97% 76.45 1019.1
16 07:52 NE 9 4.02 Fog/Mist BKN007 OVC010 17.2 16.7 17.8 17.2 97% 76.43 1018.7 0.91
16 06:52 NE 7 2.41 Fog/Mist BKN007 OVC010 17.2 16.7 97% 76.4 1018.4 0.03
16 05:52 NE 11 3.22 Light Rain Fog/Mist BKN007 OVC012 17.2 16.1 93% 76.38 1018.0 0.13
16 04:52 E 11 16.09 Light Rain OVC008 17.2 16.7 97% 76.38 1018.0 0.2 0.76
16 03:52 NE 11 9.66 Light Rain Fog/Mist OVC007 17.2 16.7 97% 76.38 1018.0 0.28
16 02:52 E 9 4.83 Rain Fog/Mist BKN007 OVC014 17.8 17.2 96% 76.38 1018.2 0.28
16 01:52 E 11 4.83 Fog/Mist OVC007 17.8 17.2 18.9 17.8 96% 76.43 1018.7 3.71
16 00:52 E 7 9.66 Fog/Mist OVC007 17.8 17.2 96% 76.45 1019.1
15 23:52 E 15 16.09 Overcast OVC007 18.3 17.8 97% 76.4 1018.4 0.03
15 22:52 NE 13 16.09 Light Rain OVC008 18.3 17.8 97% 76.4 1018.5 0.33 3.68
15 21:52 NE 11 2.41 Heavy Rain Fog/Mist BKN006 OVC027 18.3 17.8 97% 76.43 1018.8 2.77
15 20:52 NE 11 2.01 Heavy Rain Fog/Mist OVC007 18.3 17.8 97% 76.4 1018.3 0.58
15 19:52 E 9 6.44 Light Rain Fog/Mist OVC008 18.9 17.8 19.4 18.9 93% 76.4 1018.5 0.05 0.05
15 18:52 E 15 6.44 Fog/Mist OVC009 18.9 17.8 93% 76.38 1018.1
15 17:52 E 15 16.09 Overcast OVC008 19.4 17.8 91% 76.33 1017.5
15 16:52 E 17 11.27 Overcast OVC007 19.4 17.8 91% 76.38 1018.2
15 15:52 NE 17 12.87 Overcast OVC006 19.4 18.3 93% 76.4 1018.4
15 14:52 SE 9 9.66 Fog/Mist OVC006 19.4 17.8 91% 76.43 1018.6
15 13:52 E 11 4.83 Fog/Mist OVC005 18.9 18.3 19.4 18.3 96% 76.45 1019.0
15 12:52 E 11 9.66 Fog/Mist OVC006 18.9 17.8 93% 76.45 1019.1
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)