Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
18 22:52 NW 10 10.00 A Few Clouds FEW250 66 51.1 59% 29.83 1009.8
18 21:52 W 8 10.00 A Few Clouds FEW090 66.9 51.1 57% 29.81 1009.4
18 20:52 W 7 10.00 A Few Clouds FEW065 FEW090 69.1 51.1 53% 29.79 1008.5
18 19:52 W 13 10.00 A Few Clouds FEW090 72 50 77 72 46% 29.77 1007.9
18 18:52 W 13 G 24 10.00 Mostly Cloudy BKN090 73.9 50 43% 29.76 1007.6
18 17:52 W 13 G 24 10.00 Mostly Cloudy SCT060 BKN090 77 51.1 40% 78 29.75 1007.2
18 16:52 W 14 G 21 10.00 Mostly Cloudy SCT060 BKN090 73.9 51.1 45% 29.75 1007.0
18 15:52 W 15 G 29 10.00 Mostly Cloudy BKN060 BKN090 73.9 51.1 45% 29.76 1007.5
18 14:52 W 14 G 24 10.00 Mostly Cloudy SCT065 BKN085 BKN250 73 51.1 46% 29.77 1007.8
18 13:52 NW 21 G 32 10.00 Mostly Cloudy and Breezy FEW055 BKN075 BKN090 BKN250 75 51.1 75 66.9 43% 78 29.77 1007.7
18 12:52 W 10 G 21 10.00 Mostly Cloudy SCT065 BKN090 72 50 46% 29.77 1007.7
18 11:52 W 12 G 21 10.00 Mostly Cloudy BKN060 BKN080 71.1 50 47% 29.78 1008.1
18 10:52 W 10 10.00 Mostly Cloudy FEW060 SCT080 BKN100 72 51.1 48% 29.79 1008.4
18 09:52 W 9 10.00 Mostly Cloudy SCT075 BKN095 BKN120 69.1 48.9 49% 29.78 1008.1
18 08:52 W 10 10.00 Mostly Cloudy FEW060 BKN080 BKN100 BKN250 69.1 48 47% 29.78 1008.1
18 07:52 W 6 10.00 Mostly Cloudy FEW070 BKN100 BKN250 66.9 48.9 70 64.9 53% 29.78 1008.1
18 06:52 Vrbl 5 10.00 Mostly Cloudy FEW080 BKN100 BKN250 66 46.9 50% 29.76 1007.3
18 05:52 W 12 10.00 Mostly Cloudy BKN080 66.9 46 47% 29.75 1007.1
18 04:52 W 5 10.00 Overcast OVC065 66.9 48.9 53% 29.75 1007.0
18 03:52 NW 6 10.00 Mostly Cloudy FEW070 BKN085 66.9 48 51% 29.73 1006.3
18 02:52 NW 8 10.00 Mostly Cloudy BKN090 66.9 46.9 49% 29.71 1005.7
18 01:52 NW 14 10.00 Mostly Cloudy BKN090 70 46 81 70 42% 29.71 1005.8
18 00:52 NW 16 G 28 10.00 Mostly Cloudy BKN095 71.1 46.9 42% 29.69 1005.2
17 23:52 NW 13 10.00 Mostly Cloudy FEW080 BKN100 73 52 48% 29.67 1004.4
17 22:52 NW 13 G 22 10.00 Mostly Cloudy FEW080 BKN110 75.9 51.1 42% 78 29.64 1003.3
17 21:52 W 6 10.00 Overcast OVC110 77 52 42% 78 29.61 1002.3
17 20:52 W 16 G 23 10.00 Mostly Cloudy BKN110 79 51.1 38% 79 29.58 1001.3
17 19:52 W 12 G 22 10.00 Overcast OVC110 81 52 86 80.1 37% 80 29.55 1000.3
17 18:52 W 8 10.00 Mostly Cloudy BKN100 82 54 38% 81 29.54 999.9
17 17:52 SW 12 G 20 10.00 Mostly Cloudy BKN100 84 51.1 32% 82 29.52 999.2
17 16:52 SW 13 G 28 10.00 Fair CLR 86 52 31% 84 29.51 999.1
17 15:52 SW 16 G 28 10.00 A Few Clouds FEW060 84.9 55 36% 84 29.52 999.4
17 14:52 SW 14 G 30 10.00 A Few Clouds FEW060 84.9 54 35% 83 29.54 1000.1
17 13:52 SW 15 G 26 10.00 A Few Clouds FEW080 84 53.1 84 66.9 34% 83 29.57 1000.9
17 12:52 W 13 G 28 10.00 A Few Clouds FEW060 FEW250 82.9 55 38% 82 29.58 1001.5
17 11:52 SW 15 G 28 10.00 A Few Clouds FEW060 FEW250 80.1 57.9 47% 81 29.6 1002.2
17 10:52 SW 14 10.00 A Few Clouds FEW250 77 60.1 56% 79 29.62 1002.7
17 09:52 SW 14 10.00 Partly Cloudy FEW120 SCT250 73 60.1 64% 29.64 1003.4
17 08:52 S 12 10.00 Mostly Cloudy SCT120 BKN250 70 60.1 71% 29.65 1003.7
17 07:52 W 6 10.00 Mostly Cloudy FEW040 BKN120 BKN180 66.9 61 69.1 64.9 81% 29.66 1004.0 0.01
17 06:52 S 10 10.00 Light Rain FEW040 BKN120 66.9 62.1 84% 29.68 1004.7 0.01
17 05:52 SW 7 10.00 Light Rain FEW075 BKN110 OVC150 66.9 62.1 84% 29.7 1005.5
17 04:52 S 8 10.00 Overcast OVC150 69.1 61 76% 29.68 1004.8
17 03:52 S 9 10.00 Overcast FEW060 OVC150 66 62.1 87% 29.71 1005.6
17 01:52 S 10 10.00 Mostly Cloudy BKN250 68 61 75 66.9 78% 29.71 1005.8
17 00:52 SW 7 10.00 Mostly Cloudy FEW050 BKN250 68 61 78% 29.74 1006.8
16 23:52 S 6 10.00 Mostly Cloudy FEW120 SCT200 BKN250 70 61 73% 29.74 1006.6
16 22:52 S 6 10.00 Overcast BKN200 OVC250 71.1 63 76% 29.75 1007.0
16 21:52 SE 9 10.00 Overcast FEW090 OVC160 73 64 74% 29.75 1007.1
16 20:52 SE 5 10.00 Overcast BKN090 OVC160 72 63 73% 29.73 1006.6
16 19:52 E 5 10.00 Overcast SCT070 OVC120 73.9 66 89.1 73.9 76% 29.72 1006.0
16 18:52 N 8 10.00 Overcast BKN041CB OVC090 78.1 64.9 64% 80 29.67 1004.6
16 17:52 NW 7 10.00 Overcast BKN041CB BKN070 OVC100 79 69.1 72% 82 29.73 1006.5
16 16:52 SW 12 10.00 Overcast BKN041CB OVC110 84 70 63% 88 29.73 1006.6
16 15:52 W 7 10.00 Overcast FEW048CB OVC160 87.1 66.9 51% 90 29.73 1006.5
16 14:52 W 6 10.00 Overcast SCT050 OVC200 88 66 48% 90 29.73 1006.4
16 13:52 NW 8 10.00 Mostly Cloudy SCT060 BKN250 87.1 64.9 88 69.1 48% 89 29.74 1006.8
16 12:52 Calm 10.00 Mostly Cloudy FEW050 BKN250 87.1 66.9 51% 90 29.74 1006.6
16 11:52 Calm 10.00 A Few Clouds FEW040 FEW250 84 68 59% 87 29.75 1007.1
16 10:52 NW 5 10.00 A Few Clouds FEW250 81 71.1 72% 85 29.77 1007.8
16 09:52 Calm 10.00 A Few Clouds FEW050 FEW250 75 70 84% 75 29.77 1007.8
16 08:52 Calm 9.00 Mostly Cloudy BKN007 BKN055TCU BKN120 71.1 68 90% 29.78 1008.3
16 07:52 S 6 8.00 Overcast OVC005 69.1 68 70 64.9 96% 29.78 1008.1
16 06:52 Vrbl 3 9.00 Overcast OVC008 66.9 66 97% 29.78 1008.0
16 05:52 S 3 9.00 A Few Clouds FEW250 66.9 66 97% 29.75 1007.2
16 04:52 S 3 10.00 Mostly Cloudy BKN100 66.9 66 97% 29.76 1007.5
16 03:52 SE 5 10.00 Mostly Cloudy BKN070 68 64.9 90% 29.77 1007.9
16 02:52 Calm 10.00 Mostly Cloudy SCT026 BKN090 68 64.9 90% 29.79 1008.4
16 01:52 S 3 10.00 Mostly Cloudy BKN027 70 64.9 75 66.9 84% 29.8 1008.8
16 00:52 S 5 10.00 Overcast OVC031 71.1 64.9 81% 29.81 1009.2
15 23:52 S 5 10.00 Partly Cloudy SCT028 SCT033 69.1 64 84% 29.81 1009.2
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)