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.
22 09:52 Calm 16.09 A Few Clouds FEW095 FEW140 24.4 17.2 64% 25 76.17 1015.3
22 08:52 S 9 16.09 A Few Clouds FEW110 FEW250 22.8 17.2 71% 76.2 1015.4
22 07:52 S 11 16.09 A Few Clouds FEW100 FEW250 20.6 16.7 20.6 17.8 78% 76.2 1015.5
22 06:52 Calm 16.09 A Few Clouds FEW100 18.3 16.1 87% 76.17 1015.3
22 04:52 S 7 16.09 Fair CLR 17.8 15.6 87% 76.12 1014.7
22 03:52 S 9 16.09 Fair CLR 18.3 15.6 84% 76.15 1014.9
22 02:52 S 7 16.09 Fair CLR 18.9 15.6 81% 76.15 1014.7
22 01:52 S 9 16.09 Fair CLR 19.4 15.6 25 19.4 79% 76.17 1015.1
22 00:52 S 9 16.09 Partly Cloudy SCT250 20 15.6 76% 76.15 1015.0
21 23:52 S 13 16.09 Partly Cloudy SCT250 21.1 15.6 71% 76.12 1014.7
21 22:52 S 11 16.09 Partly Cloudy SCT250 21.7 15 66% 76.12 1014.7
21 21:52 S 11 16.09 A Few Clouds FEW250 22.8 15.6 64% 76.15 1014.9
21 20:52 S 11 16.09 Mostly Cloudy BKN250 23.3 15.6 62% 76.1 1014.3
21 19:52 S 11 16.09 Mostly Cloudy BKN250 25 16.1 30 25 58% 26 76.1 1014.1
21 18:52 S 17 16.09 Mostly Cloudy BKN250 27.8 15.6 47% 28 76.07 1014.0
21 17:52 S 15 16.09 Mostly Cloudy FEW060 BKN250 28.9 16.1 46% 29 76.1 1014.4
21 16:52 S 13 16.09 Partly Cloudy SCT060 SCT250 29.4 15.6 43% 29 76.07 1014.0
21 15:52 S 17 16.09 Partly Cloudy SCT060 SCT250 30 13.9 37% 29 76.1 1014.3
21 14:52 S 13 G 28 16.09 Partly Cloudy SCT060 SCT250 28.9 13.3 38% 28 76.15 1014.8
21 13:52 SE 13 16.09 A Few Clouds FEW060 FEW250 28.9 13.3 29.4 19.4 38% 28 76.15 1015.1
21 12:52 Vrbl 9 16.09 A Few Clouds FEW055 FEW250 28.3 13.9 41% 28 76.23 1015.9
21 11:52 SW 9 16.09 A Few Clouds FEW050 FEW250 27.2 15 47% 27 76.25 1016.4
21 10:52 S 11 16.09 A Few Clouds FEW040 FEW250 26.1 17.8 60% 27 76.25 1016.4
21 09:52 S 11 16.09 A Few Clouds FEW150 23.9 17.8 69% 25 76.28 1016.8
21 08:52 S 7 16.09 A Few Clouds FEW250 21.7 17.2 76% 76.3 1017.0
21 07:52 S 9 16.09 A Few Clouds FEW250 19.4 16.7 19.4 13.9 84% 76.28 1016.7
21 06:52 Calm 8.05 Fog/Mist SCT250 15.6 15 96% 76.28 1016.6
21 05:52 Calm 11.27 A Few Clouds FEW250 16.1 15 93% 76.23 1016.0
21 04:52 S 7 16.09 Partly Cloudy SCT250 17.2 15.6 90% 76.2 1015.4
21 03:52 S 9 16.09 Partly Cloudy SCT250 16.1 15 93% 76.2 1015.5
21 02:52 S 6 16.09 Partly Cloudy SCT250 16.1 15.6 97% 76.2 1015.8
21 01:52 Calm 12.87 Partly Cloudy SCT250 17.2 15.6 23.9 17.2 90% 76.23 1016.1
21 00:52 S 6 16.09 Partly Cloudy SCT250 17.8 16.1 90% 76.25 1016.3
20 23:52 S 9 16.09 Mostly Cloudy BKN250 18.9 16.7 87% 76.2 1015.8
20 22:52 S 6 16.09 Mostly Cloudy BKN250 18.9 16.1 84% 76.25 1016.4
20 21:52 S 7 16.09 Mostly Cloudy BKN250 20.6 16.1 76% 76.25 1016.5
20 20:52 S 9 16.09 Mostly Cloudy FEW060 FEW200 BKN250 22.2 16.7 71% 76.2 1015.7
20 19:52 S 9 16.09 Mostly Cloudy FEW060 BKN250 23.9 16.7 27.2 23.3 64% 25 76.2 1015.6
20 18:52 S 7 16.09 Mostly Cloudy FEW060 BKN250 26.1 16.1 54% 27 76.17 1015.3
20 17:52 S 9 16.09 Mostly Cloudy FEW047 BKN250 26.7 16.1 52% 27 76.17 1015.2
20 16:52 S 7 16.09 Mostly Cloudy FEW030 BKN250 27.2 15.6 49% 28 76.2 1015.7
20 15:52 Calm 16.09 Mostly Cloudy FEW025 BKN250 26.7 16.1 52% 27 76.25 1016.2
20 14:52 N 9 16.09 Mostly Cloudy FEW025 BKN250 25.6 16.7 58% 26 76.28 1016.9
20 13:52 NE 9 16.09 Mostly Cloudy FEW017 BKN250 23.9 17.2 23.9 16.1 66% 25 76.33 1017.5
20 12:52 NE 6 11.27 Mostly Cloudy BKN016 BKN250 21.1 16.1 73% 76.35 1017.8
20 11:52 Vrbl 6 8.05 Fog/Mist BKN009 OVC014 20 16.1 78% 76.4 1018.6
20 10:52 SE 6 8.05 Fog/Mist OVC006 18.3 15.6 84% 76.43 1018.6
20 09:52 SE 7 4.83 Fog/Mist OVC004 17.2 15.6 90% 76.4 1018.3
20 08:52 S 7 0.40 Fog VV002 16.1 15 93% 76.4 1018.4
20 07:52 Calm 0.21 Fog VV001 16.1 15 16.1 12.2 93% 76.38 1018.2
20 06:52 Calm 0.21 Fog VV001 15.6 15 96% 76.3 1017.1
20 05:52 SE 6 0.21 Fog VV001 15 13.9 93% 76.23 1016.0
20 04:52 E 7 11.27 Partly Cloudy SCT250 13.3 12.2 93% 76.2 1015.5
20 03:52 Calm 11.27 A Few Clouds FEW250 13.3 12.2 93% 76.2 1015.7
20 02:52 Calm 11.27 A Few Clouds FEW250 13.9 12.8 93% 76.2 1015.5
20 01:52 SE 7 11.27 A Few Clouds FEW065 13.9 12.8 22.8 13.9 93% 76.23 1016.0
20 00:52 Calm 16.09 Fair CLR 14.4 13.3 93% 76.25 1016.3
19 23:52 Calm 16.09 Fair CLR 15.6 13.9 90% 76.25 1016.4
19 22:52 Calm 16.09 Fair CLR 15.6 13.9 90% 76.25 1016.3
19 21:52 Calm 16.09 A Few Clouds FEW070 16.7 15 90% 76.23 1015.9
19 20:52 SW 6 16.09 A Few Clouds FEW046 18.3 15.6 84% 76.17 1015.3
19 19:52 Calm 16.09 A Few Clouds FEW040 22.8 15 24.4 21.7 62% 76.15 1014.9
19 18:52 N 9 16.09 Partly Cloudy SCT034 24.4 15.6 58% 26 76.12 1014.5
19 17:52 NW 9 16.09 Partly Cloudy SCT050 24.4 15.6 58% 26 76.12 1014.8
19 16:52 W 9 16.09 Partly Cloudy SCT050 SCT090 23.3 15.6 62% 76.15 1015.2
19 15:52 Calm 16.09 Overcast OVC032 22.2 15 64% 76.17 1015.4
19 14:52 Calm 16.09 Overcast BKN030 OVC042 22.2 15 64% 76.2 1015.7
19 13:52 Calm 16.09 Mostly Cloudy BKN026 BKN040 21.7 15 22.2 18.3 66% 76.2 1015.8
19 12:52 Calm 16.09 Mostly Cloudy BKN029 21.7 14.4 63% 76.25 1016.3
19 11:52 NW 6 16.09 Mostly Cloudy BKN027 21.7 14.4 63% 76.25 1016.4
19 10:52 NE 6 16.09 Mostly Cloudy BKN026 20.6 14.4 68% 76.23 1016.2
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)