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.
25 18:52 E 7 16.09 Mostly Cloudy FEW034 BKN080 BKN200 23.3 19.4 79% 76.35 1017.8
25 17:52 NE 9 16.09 Mostly Cloudy FEW028 BKN100 BKN200 23.9 18.9 74% 25 76.35 1017.7
25 16:52 NE 9 16.09 Mostly Cloudy FEW022 SCT060 BKN120 BKN200 24.4 18.9 72% 25 76.35 1017.7
25 15:52 N 13 16.09 Overcast SCT017 BKN055 OVC200 23.9 18.9 74% 25 76.38 1018.1
25 14:52 NW 9 16.09 Overcast BKN012 BKN070 OVC200 23.9 20 79% 24 76.4 1018.4
25 13:52 N 7 12.87 Overcast SCT009 SCT012 BKN070 OVC130 22.8 20 22.8 18.3 84% 76.45 1019.0 0.1
25 12:52 Vrbl 9 11.27 Overcast FEW003 BKN006 OVC012 21.7 20 90% 76.5 1019.6 0.08
25 11:52 W 7 11.27 Overcast OVC007 21.7 20 90% 76.5 1019.7
25 10:52 W 7 4.02 Fog/Mist OVC005 20.6 19.4 93% 76.5 1019.8 0.03
25 09:52 S 9 1.21 Light Rain Fog/Mist OVC003 19.4 18.9 97% 76.48 1019.4
25 08:52 S 7 0.80 Light Rain Fog/Mist OVC003 18.3 18.3 100% 76.45 1019.1 0.03
25 07:52 SW 7 0.80 Fog/Mist OVC003 18.3 17.8 18.3 16.7 97% 76.45 1019.2 0.08
25 06:52 Calm 0.80 Fog/Mist OVC003 17.8 17.2 96% 76.45 1019.2
25 05:52 Calm 0.80 Fog VV003 17.2 17.2 100% 76.43 1018.6
25 04:52 Calm 0.80 Light Rain Fog VV002 17.2 17.2 100% 76.43 1018.6 0.03 0.08
25 03:52 S 7 0.80 Light Rain Fog VV002 17.2 16.7 97% 76.43 1018.7 0.05
25 02:52 Calm 1.61 Light Rain Fog/Mist OVC002 16.7 16.7 100% 76.43 1018.8
25 01:52 S 6 11.27 Overcast BKN004 OVC016 16.7 16.1 17.2 16.7 96% 76.48 1019.4
25 00:52 SE 7 11.27 Overcast BKN004 OVC009 16.7 16.1 96% 76.53 1020.1
24 23:52 SE 7 11.27 Overcast BKN005 BKN010 OVC024 16.7 16.1 96% 76.56 1020.4
24 22:52 E 9 1.61 Fog/Mist BKN005 OVC024 16.7 16.1 96% 76.61 1021.1
24 21:52 E 9 1.61 Fog/Mist BKN003 OVC006 16.7 16.1 96% 76.63 1021.4
24 20:52 SE 6 2.41 Fog/Mist BKN005 OVC009 17.2 16.7 97% 76.61 1021.2
24 19:52 SE 9 8.05 Fog/Mist SCT007 OVC012 17.2 16.1 17.8 16.7 93% 76.61 1021.3
24 18:52 E 6 12.87 Overcast OVC012 17.8 15.6 87% 76.58 1021.0
24 17:52 E 11 16.09 Overcast OVC012 17.8 15.6 87% 76.58 1020.7
24 16:52 NE 9 16.09 Overcast OVC012 17.8 15 84% 76.63 1021.6
24 15:52 E 6 16.09 Overcast OVC012 17.8 15 84% 76.66 1021.9
24 13:52 Calm 16.09 Overcast OVC009 16.7 13.9 16.7 11.7 84% 76.76 1023.3
24 12:52 Calm 16.09 Overcast OVC008 15.6 13.3 86% 76.84 1024.2
24 11:52 Vrbl 9 16.09 Overcast OVC007 15 12.8 87% 76.86 1024.7
24 10:52 NE 9 16.09 Overcast OVC006 13.9 12.2 90% 76.89 1024.9
24 09:52 N 9 16.09 Overcast OVC007 13.3 11.7 90% 76.89 1024.9
24 08:52 N 9 16.09 Overcast OVC007 12.2 11.1 93% 76.91 1025.3
24 07:52 N 9 16.09 Overcast BKN007 OVC015 11.7 10.6 11.7 11.1 93% 76.91 1025.3 2.74
24 06:52 N 9 16.09 Overcast OVC006 11.1 10.6 97% 76.89 1025.0
24 05:52 N 11 14.48 Light Rain FEW005 BKN027 OVC040 11.1 10.6 97% 76.86 1024.7 0.64
24 04:52 N 6 4.83 Rain Fog/Mist BKN005 OVC021 11.1 10.6 97% 76.86 1024.7 0.53 2.11
24 03:52 N 9 4.83 Rain Fog/Mist SCT004 BKN026 OVC047 11.7 11.1 96% 76.86 1024.8 0.89
24 02:52 N 15 8.05 Rain Fog/Mist FEW025 OVC042 11.7 11.1 96% 76.86 1024.6 0.69
24 01:52 N 13 16.09 Light Rain BKN006 OVC010 11.7 11.1 11.7 11.1 96% 76.91 1025.3 0.08 0.38
24 00:52 N 11 8.05 Light Rain Fog/Mist OVC007 11.7 11.1 96% 76.94 1025.9 0.05
23 23:52 N 7 16.09 Light Rain OVC006 11.7 11.1 96% 76.96 1026.0 0.08
23 22:52 NE 9 14.48 Light Rain OVC007 11.7 11.1 96% 76.99 1026.2 0.08 0.18
23 21:52 NE 11 6.44 Light Rain Fog/Mist OVC006 11.7 10.6 93% 76.99 1026.3 0.05
23 20:52 NE 11 8.05 Light Rain Fog/Mist OVC006 11.1 10.6 97% 76.99 1026.3 0.05
23 19:52 E 13 4.83 Light Rain Fog/Mist SCT005 BKN007 OVC013 11.1 10.6 12.8 11.1 97% 76.96 1026.1 0.3
23 18:52 E 13 4.02 Light Drizzle Fog/Mist FEW005 BKN007 OVC013 12.8 11.7 93% 76.94 1025.7 0.03
23 17:52 NE 6 9.66 Light Rain Fog/Mist BKN007 OVC013 12.8 11.7 93% 76.96 1026.0 0.1
23 16:52 NE 13 9.66 Light Rain Fog/Mist BKN008 OVC014 12.8 11.7 93% 76.96 1026.0 0.13 0.18
23 15:52 E 13 3.22 Light Rain Fog/Mist BKN007 OVC013 12.8 11.7 93% 76.99 1026.3 0.05
23 14:52 E 13 16.09 Overcast BKN007 OVC012 12.8 11.1 90% 76.99 1026.5
23 13:52 NE 15 6.44 Fog/Mist BKN008 OVC013 12.2 11.1 12.2 10.6 93% 77.04 1027.1 0.03 0.71
23 12:52 NE 11 4.83 Fog/Mist BKN008 OVC013 12.2 11.1 93% 77.06 1027.6 0.03
23 11:52 NE 15 4.83 Light Rain Fog/Mist BKN006 OVC012 11.7 10.6 93% 77.09 1027.7 0.08
23 10:52 NE 13 4.83 Light Rain Fog/Mist BKN007 BKN014 OVC035 11.7 10.6 93% 77.09 1027.6 0.38 0.58
23 09:52 NE 13 1.61 Heavy Rain Fog/Mist BKN006 OVC011 11.1 10.6 97% 77.09 1027.7 0.15
23 08:52 NE 11 2.82 Light Rain Fog/Mist BKN007 OVC013 11.1 10 93% 77.09 1027.7 0.05
23 07:52 NE 11 3.22 Light Rain Fog/Mist OVC007 10.6 10 10.6 10 96% 77.04 1027.2 0.03 0.1
23 06:52 E 13 4.83 Light Rain Fog/Mist SCT008 OVC010 10.6 9.4 92% 77.01 1026.6
23 05:52 E 9 12.87 Light Rain BKN013 OVC018 10.6 9.4 92% 76.99 1026.4
23 04:52 E 9 12.87 Overcast OVC009 10 9.4 96% 9 76.99 1026.4 0.03 0.08
23 03:52 NE 13 16.09 Light Rain BKN009 OVC011 10 9.4 96% 8 77.01 1026.6 0.03
23 02:52 NE 9 14.48 Light Rain BKN009 OVC014 10.6 9.4 92% 77.04 1026.8 0.03
23 01:52 NE 11 14.48 Light Rain BKN009 OVC012 10 9.4 11.1 10 96% 9 77.04 1027.2 0.03 0.69
23 00:52 NE 11 16.09 Light Rain OVC038 10 8.9 93% 9 77.06 1027.5
22 23:52 NE 13 16.09 Overcast FEW012 OVC035 10 8.9 93% 8 77.06 1027.6 0.03
22 22:52 NE 9 16.09 Light Rain FEW012 FEW023 OVC036 10 8.9 93% 9 77.09 1027.7 0.1 0.64
22 21:52 NE 13 6.44 Rain Fog/Mist SCT012 OVC023 10 8.9 93% 8 77.09 1027.9 0.28
22 20:52 E 9 4.83 Light Rain Fog/Mist BKN010 OVC017 10 8.9 93% 9 77.06 1027.5 0.25
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)