Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
Date Time (est) 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.
21 17:52 SE 9 16.09 A Few Clouds FEW150 FEW250 8.9 -2.8 44% 8 76.23 1016.3
21 16:52 SE 7 16.09 Partly Cloudy FEW150 SCT250 11.1 -2.8 38% 76.2 1015.8
21 15:52 Calm 16.09 Partly Cloudy FEW150 SCT250 11.7 -3.9 34% 76.17 1015.6
21 14:52 Calm 16.09 Mostly Cloudy BKN150 BKN250 11.7 -3.3 35% 76.17 1015.6
21 13:52 N 7 16.09 Mostly Cloudy BKN170 BKN250 10.6 -3.3 38% 76.17 1015.4
21 12:52 NE 13 16.09 Mostly Cloudy BKN170 BKN250 9.4 -2.8 11.1 5 43% 8 76.2 1015.8
21 11:52 NE 11 16.09 Mostly Cloudy BKN180 BKN250 10 -2.2 43% 9 76.17 1015.7
21 10:52 N 13 16.09 Mostly Cloudy FEW050 SCT180 BKN250 8.9 -3.3 42% 7 76.17 1015.5
21 09:52 N 15 16.09 Mostly Cloudy SCT190 BKN250 8.3 -3.3 44% 6 76.2 1015.9
21 08:52 N 13 16.09 Mostly Cloudy SCT180 BKN250 7.2 -3.9 46% 5 76.2 1016.1
21 07:52 N 19 16.09 Mostly Cloudy SCT180 BKN250 6.7 -3.9 47% 4 76.1 1014.6
21 06:52 N 15 16.09 A Few Clouds FEW120 FEW250 5.6 -3.3 10.6 3.3 53% 3 76.02 1013.5
21 05:52 N 15 16.09 Partly Cloudy SCT250 6.1 -3.9 49% 3 75.95 1012.3
21 04:52 W 6 16.09 Partly Cloudy SCT250 6.1 -3.3 51% 75.87 1011.5
21 03:52 NW 11 16.09 A Few Clouds FEW250 6.1 -2.8 53% 4 75.77 1010.2
21 02:52 NW 9 16.09 Fair CLR 7.2 -3.3 48% 6 75.72 1009.5
21 01:52 W 13 16.09 Fair CLR 8.9 -3.3 42% 7 75.74 1009.6
21 00:52 W 13 16.09 Fair CLR 10.6 -3.9 13.3 6.7 36% 75.72 1009.3
20 23:52 W 15 16.09 Fair CLR 12.2 -3.9 33% 75.64 1008.3
20 22:52 W 22 G 33 16.09 Fair CLR 13.3 -4.4 29% 75.57 1007.4
20 21:52 E 7 16.09 Fair CLR 8.9 3.9 71% 8 75.49 1006.5
20 20:52 NE 11 16.09 Fair CLR 8.3 6.7 90% 7 75.41 1005.3
20 19:52 Calm 16.09 Fair CLR 9.4 7.8 90% 75.29 1003.9
20 18:52 SW 11 16.09 Fair CLR 12.2 8.9 15.6 7.8 80% 75.18 1002.4
20 17:52 SW 9 16.09 A Few Clouds FEW150 13.9 9.4 74% 75.11 1001.4
20 16:52 Vrbl 7 16.09 A Few Clouds FEW150 15 9.4 69% 75.03 1000.4
20 15:52 S 13 16.09 A Few Clouds FEW015 FEW150 13.3 8.9 75% 75.06 1000.6
20 14:52 S 13 16.09 Mostly Cloudy SCT013 BKN200 11.1 7.2 77% 75.08 1001.0
20 13:52 S 17 16.09 Mostly Cloudy BKN011 BKN220 9.4 6.7 83% 7 75.13 1001.6
20 12:52 S 9 11.27 Overcast BKN008 OVC012 7.8 6.1 8.3 3.9 89% 6 75.26 1003.3 1.19
20 11:52 Calm 11.27 Overcast OVC004 6.7 5.6 93% 75.36 1004.7
20 10:52 W 9 11.27 Overcast OVC004 5.6 5 96% 4 75.41 1005.4
20 09:52 SE 7 11.27 Overcast OVC006 5 3.9 93% 4 75.39 1004.9 0.03 1.19
20 08:52 Calm 11.27 Overcast BKN005 OVC110 4.4 3.3 93% 75.49 1006.4 0.23
20 07:52 N 6 4.83 Rain Fog/Mist SCT005 BKN025 OVC038 3.9 3.3 96% 75.67 1008.9 0.94
20 06:52 N 11 4.02 Heavy Rain Fog/Mist SCT005 BKN015 OVC021 3.3 3.3 5 3.3 100% 1 75.64 1008.5 0.56 0.99
20 05:52 E 9 8.05 Light Rain Fog/Mist SCT004 OVC015 3.3 2.8 97% 1 75.64 1008.5 0.15
20 04:52 E 6 11.27 Light Rain OVC004 3.3 2.8 97% 75.64 1008.5 0.03
20 03:52 E 13 11.27 Light Drizzle BKN005 BKN012 OVC028 3.3 2.8 97% 0 75.67 1009.0 0.18 0.25
20 02:52 E 11 0.80 Light Rain Fog/Mist OVC003 3.9 3.3 96% 1 75.77 1010.3 0.08
20 01:52 E 9 0.80 Light Drizzle Fog OVC002 4.4 3.9 97% 2 75.84 1011.4
20 00:52 Calm 0.80 Fog OVC002 5 4.4 5 5 96% 75.97 1012.9 0.48
19 23:52 Calm 8.05 Light Rain Fog/Mist OVC003 5 4.4 96% 75.95 1012.7
19 22:52 NE 6 9.66 Light Rain Fog/Mist OVC005 5 4.4 96% 76 1013.1
19 21:52 E 9 9.66 Fog/Mist OVC006 5 4.4 96% 3 76.02 1013.5 0.03 0.48
19 20:52 NE 6 9.66 Light Rain Fog/Mist OVC007 5 4.4 96% 76.02 1013.7 0.2
19 19:52 NE 11 8.05 Rain Fog/Mist OVC006 5 4.4 96% 3 76.05 1014.0 0.25
19 18:52 E 13 6.44 Rain Fog/Mist OVC008 5 3.9 5 3.9 93% 2 76.02 1013.7 0.2 0.58
19 17:52 NE 15 4.02 Light Rain Fog/Mist OVC005 4.4 3.9 97% 1 76.02 1013.8 0.1
19 16:52 N 15 9.66 Light Rain Fog/Mist OVC006 4.4 3.9 97% 1 76.02 1013.7 0.13
19 15:52 NE 13 0.80 Light Rain Fog/Mist OVC004 4.4 3.9 97% 2 75.97 1013.1 0.15 0.15
19 14:52 NE 15 0.80 Light Rain Fog/Mist OVC003 3.9 3.3 96% 1 76.02 1013.8
19 13:52 E 11 4.02 Light Rain Fog/Mist OVC004 3.9 3.3 96% 1 76.05 1014.2
19 12:52 E 17 4.02 Fog/Mist OVC004 3.9 3.3 5 3.3 96% 0 76.17 1015.6
19 11:52 E 19 4.02 Fog/Mist OVC005 4.4 3.3 93% 1 76.15 1015.4
19 10:52 NE 11 4.02 Fog/Mist OVC005 4.4 3.3 93% 2 76.23 1016.2
19 09:52 NE 13 2.01 Fog/Mist OVC003 4.4 3.9 97% 2 76.15 1015.4
19 08:52 E 13 1.61 Fog/Mist OVC003 4.4 3.9 97% 2 76.17 1015.7
19 07:52 NE 7 2.82 Fog/Mist OVC005 4.4 3.3 93% 3 76.12 1014.8
19 06:52 NE 9 6.44 Fog/Mist SCT007 3.3 2.8 3.9 0.6 97% 1 76.05 1013.8
19 05:52 Calm 9.66 Fog/Mist CLR 1.7 1.1 96% 75.95 1012.6
19 04:52 N 6 9.66 Fog/Mist CLR 2.2 1.7 97% 75.9 1012.0
19 03:52 Calm 9.66 Fog/Mist CLR 2.2 2.2 100% 75.84 1011.3
19 02:52 Calm 8.05 Fog/Mist CLR 2.8 2.8 100% 75.82 1010.8
19 01:52 Calm 9.66 Fog/Mist CLR 3.3 2.8 97% 75.79 1010.7
19 00:52 Calm 9.66 Fog/Mist CLR 3.9 3.3 12.8 3.3 96% 75.79 1010.4
18 23:52 N 6 12.87 A Few Clouds FEW250 5.6 5 96% 75.74 1010.0
18 22:52 Calm 16.09 Partly Cloudy SCT050 8.3 7.2 93% 75.72 1009.5
18 21:52 Calm 16.09 Mostly Cloudy BKN055 8.9 7.2 89% 75.67 1008.9
18 20:52 S 7 16.09 Mostly Cloudy SCT050 BKN150 11.1 8.3 83% 75.62 1008.3
18 19:52 S 11 16.09 Overcast BKN055 OVC150 12.2 8.3 77% 75.59 1007.8
18 18:52 S 15 16.09 Overcast OVC060 12.8 7.8 13.3 9.4 72% 75.59 1007.7
Date Time (est) 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)