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.
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
22 19:52 E 13 14.48 Overcast BKN013 OVC034 11.1 9.4 14.4 11.1 89% 77.01 1026.7 0.56
22 18:52 E 20 G 35 6.44 Light Rain Fog/Mist BKN011 OVC026 11.7 10.6 93% 76.99 1026.2 0.13
22 17:52 E 11 4.83 Light Rain Fog/Mist SCT011 OVC024 12.2 11.1 93% 76.99 1026.2 0.15
22 16:52 SE 15 6.44 Light Rain Fog/Mist BKN009 OVC022 12.2 11.1 93% 76.99 1026.3 0.08 0.28
22 15:52 E 17 G 30 16.09 Light Rain FEW007 BKN013 OVC025 13.9 12.2 90% 76.94 1025.6 0.05
22 14:52 E 11 9.66 Light Rain Fog/Mist FEW007 BKN013 OVC022 14.4 13.3 93% 76.94 1025.8 0.15
22 13:52 E 9 9.66 Light Rain Fog/Mist FEW007 BKN013 OVC020 14.4 13.3 15 13.3 93% 76.96 1026.0 0.03 0.41
22 12:52 E 17 11.27 Light Rain SCT012 BKN016 OVC030 14.4 12.8 90% 76.99 1026.2
22 11:52 E 6 8.05 Light Rain Fog/Mist SCT011 BKN014 OVC024 13.9 12.8 93% 77.01 1026.7 0.03
22 10:52 E 17 4.83 Light Rain Fog/Mist SCT009 BKN016 OVC024 13.3 12.2 93% 77.01 1026.5 0.15 0.36
22 09:52 N 9 3.22 Light Rain Fog/Mist SCT010 BKN016 OVC030 13.9 12.8 93% 76.99 1026.4 0.15
22 08:52 N 7 11.27 Light Rain SCT012 OVC037 13.9 12.2 90% 76.96 1026.1 0.05
22 07:52 N 13 11.27 Light Rain FEW011 OVC033 13.9 11.7 13.9 12.8 87% 76.94 1025.6 0.05 0.28
22 06:52 NE 7 16.09 Overcast FEW015 BKN036 OVC043 13.3 12.2 93% 76.89 1024.8 0.05
22 05:52 NE 7 16.09 Light Rain FEW014 OVC035 13.3 12.2 93% 76.89 1024.8 0.03
22 04:52 E 17 16.09 Light Rain SCT013 BKN023 OVC034 13.3 11.7 90% 76.81 1023.8 0.03 0.15
22 03:52 NE 15 14.48 Light Rain OVC012 12.8 12.2 96% 76.78 1023.7 0.05
22 02:52 N 15 12.87 Light Rain OVC006 12.8 12.2 96% 76.81 1023.8 0.08
22 01:52 N 9 12.87 Light Rain BKN008 OVC110 13.3 12.2 13.3 12.2 93% 76.81 1024.0 0.05 0.25
22 00:52 NE 7 11.27 Light Rain FEW012 BKN036 OVC100 13.3 12.2 93% 76.86 1024.5 0.08
21 23:52 N 11 16.09 Light Rain OVC012 13.3 11.7 90% 76.86 1024.8 0.03
21 22:52 N 13 14.48 Light Rain FEW009 OVC013 12.8 11.7 93% 76.86 1024.5 0.05 0.1
21 21:52 N 13 G 26 16.09 Overcast OVC010 12.8 11.1 90% 76.81 1024.0
21 20:52 N 15 16.09 Light Rain OVC009 12.2 11.1 93% 76.81 1023.8 0.05
21 19:52 N 15 16.09 Light Rain OVC009 12.2 11.1 16.1 12.2 93% 76.81 1023.8 0.2 0.28
21 18:52 N 13 11.27 Light Rain BKN010 OVC060 12.8 11.7 93% 76.78 1023.7 0.08
21 17:52 N 17 16.09 Light Rain SCT014 OVC033 13.3 11.1 87% 76.76 1023.1
21 16:52 NE 17 16.09 Overcast SCT017 OVC039 14.4 11.1 81% 76.71 1022.4
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)