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.
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
18 17:52 S 17 16.09 Overcast OVC055 13.3 7.8 70% 75.57 1007.3
18 16:52 S 13 16.09 Overcast BKN055 OVC160 13.3 7.2 67% 75.54 1007.2
18 15:52 Calm 16.09 Overcast OVC050 12.2 6.7 69% 75.49 1006.5
18 14:52 SE 6 16.09 Overcast BKN050 OVC160 11.1 6.7 75% 75.51 1006.7
18 13:52 SE 6 16.09 Overcast OVC060 10.6 5.6 71% 75.54 1007.0
18 12:52 S 9 11.27 Overcast OVC070 9.4 5 9.4 1.7 74% 8 75.62 1008.0
18 11:52 SW 9 12.87 Overcast BKN075 OVC200 7.8 4.4 79% 6 75.67 1008.9
18 10:52 S 6 9.66 Overcast with Haze BKN120 OVC200 6.7 3.9 83% 75.77 1010.2
18 09:52 Calm 6.44 Fog/Mist BKN150 OVC200 5.6 3.3 85% 75.84 1011.2
18 08:52 Calm 4.83 Fog/Mist BKN230 4.4 3.3 93% 75.92 1012.3
18 07:52 Calm 4.02 Fog/Mist SCT160 OVC240 2.2 1.7 97% 75.9 1012.0
18 06:52 W 6 6.44 Fog/Mist OVC160 2.8 2.2 4.4 2.2 96% 75.97 1013.0
18 05:52 NE 6 11.27 Overcast OVC190 3.3 2.2 93% 76 1013.1
18 04:52 Calm 11.27 Overcast OVC150 2.8 2.2 96% 76.05 1013.8
18 03:52 NW 6 11.27 Overcast BKN150 OVC170 3.3 2.8 97% 76.07 1014.4
18 01:52 E 7 12.87 Overcast OVC180 4.4 3.3 93% 3 76.2 1016.0
18 00:52 E 7 14.48 Overcast OVC160 4.4 3.3 5.6 1.7 93% 3 76.23 1016.4
17 23:52 Calm 12.87 Overcast OVC170 2.8 2.2 96% 76.33 1017.8
17 22:52 NE 7 14.48 Mostly Cloudy BKN150 BKN180 4.4 2.8 89% 3 76.33 1017.8
17 21:52 Calm 16.09 Mostly Cloudy BKN200 1.7 1.1 96% 76.38 1018.5
17 20:52 Calm 16.09 A Few Clouds FEW140 2.2 1.7 97% 76.43 1019.2
17 19:52 Calm 16.09 Mostly Cloudy SCT140 BKN200 3.9 2.8 93% 76.45 1019.6
17 18:52 E 6 16.09 Overcast BKN140 OVC200 5.6 3.3 11.7 5.6 85% 76.45 1019.5
17 17:52 SE 11 16.09 Overcast BKN140 OVC200 8.3 3.3 71% 7 76.45 1019.3
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)