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.
20 16:52 Calm 10.00 Mostly Cloudy FEW050 BKN250 88 64 45% 89 30.26 1024.4
20 15:52 Vrbl 5 10.00 Mostly Cloudy FEW045 BKN250 90 64.9 44% 92 30.28 1025.1
20 14:52 S 8 10.00 Mostly Cloudy FEW045 BKN250 88 64 45% 89 30.3 1025.7
20 13:52 S 6 10.00 Mostly Cloudy FEW046 BKN250 88 64 88 73.9 45% 89 30.31 1026.2
20 12:52 Vrbl 6 10.00 Mostly Cloudy FEW044 BKN250 84.9 64.9 51% 87 30.33 1026.9
20 11:52 Vrbl 5 10.00 Mostly Cloudy FEW050 BKN250 84.9 66 53% 87 30.34 1027.2
20 10:52 S 7 10.00 Mostly Cloudy FEW070 BKN250 82 66.9 60% 85 30.35 1027.4
20 09:52 S 7 10.00 Mostly Cloudy SCT150 BKN250 80.1 66 62% 82 30.35 1027.5
20 08:52 SW 7 10.00 Mostly Cloudy SCT150 BKN250 77 66 69% 79 30.36 1027.8
20 07:52 SW 5 10.00 Mostly Cloudy BKN250 73 66 73 66 79% 30.35 1027.5
20 06:52 S 5 10.00 Mostly Cloudy BKN250 71.1 64.9 81% 30.34 1027.1
20 05:52 SE 5 10.00 Mostly Cloudy BKN250 68 63 84% 30.33 1026.7
20 04:52 SE 5 10.00 Mostly Cloudy BKN250 68 63 84% 30.33 1026.7
20 03:52 SE 5 10.00 Mostly Cloudy BKN250 68 63 84% 30.33 1026.7
20 02:52 Calm 10.00 Mostly Cloudy BKN250 70 64 82% 30.32 1026.4
20 01:52 Calm 10.00 Mostly Cloudy BKN250 72 64 82.9 72 76% 30.33 1026.5
20 00:52 S 5 10.00 Mostly Cloudy BKN250 73.9 64.9 74% 30.33 1026.8
19 23:52 S 7 10.00 Mostly Cloudy BKN250 75.9 64.9 69% 78 30.34 1027.0
19 22:52 S 6 10.00 Mostly Cloudy BKN250 77 64 64% 79 30.34 1027.1
19 21:52 S 7 10.00 Overcast BKN150 OVC250 78.1 63 60% 80 30.32 1026.5
19 20:52 S 6 10.00 Overcast BKN150 OVC250 80.1 59 49% 81 30.3 1025.7
19 19:52 S 6 10.00 Mostly Cloudy FEW050 BKN150 BKN250 82.9 57 89.1 82 41% 82 30.3 1025.7
19 18:52 S 7 10.00 Mostly Cloudy FEW060 BKN150 BKN250 86 60.1 42% 86 30.3 1025.6
19 17:52 E 5 10.00 Mostly Cloudy FEW060 BKN120 BKN250 87.1 57.9 37% 86 30.3 1025.8
19 16:52 SE 10 10.00 Mostly Cloudy FEW055 BKN250 88 60.1 39% 88 30.31 1025.9
19 15:52 SE 9 10.00 Mostly Cloudy FEW055 BKN250 88 61 40% 88 30.32 1026.2
19 14:52 SE 9 10.00 Mostly Cloudy FEW050 BKN250 88 55.9 34% 86 30.33 1026.6
19 13:52 S 12 10.00 Mostly Cloudy FEW050 BKN250 87.1 63 87.1 73.9 45% 88 30.33 1026.8
19 12:52 SE 12 G 16 10.00 Mostly Cloudy FEW045 BKN250 87.1 64.9 48% 89 30.35 1027.3
19 11:52 Vrbl 5 10.00 Mostly Cloudy SCT040 BKN250 84 66 55% 86 30.36 1027.6
19 10:52 Vrbl 5 10.00 Partly Cloudy FEW040 SCT250 82 66.9 60% 85 30.36 1027.8
19 09:52 S 7 10.00 Partly Cloudy SCT250 80.1 66.9 64% 82 30.36 1027.8
19 08:52 S 6 10.00 Partly Cloudy SCT250 75.9 66 72% 77 30.36 1027.8
19 07:52 S 5 10.00 Mostly Cloudy BKN250 73.9 64.9 73.9 68 74% 30.35 1027.3
19 06:52 S 5 10.00 Mostly Cloudy BKN250 71.1 64.9 81% 30.33 1026.7
19 05:52 S 5 10.00 Mostly Cloudy BKN250 69.1 64 84% 30.32 1026.4
19 04:52 SE 5 10.00 Partly Cloudy SCT250 69.1 64 84% 30.31 1026.0
19 03:52 SE 3 10.00 Mostly Cloudy FEW050 BKN250 70 63 79% 30.3 1025.8
19 02:52 S 5 10.00 Partly Cloudy FEW050 SCT250 72 63 73% 30.29 1025.5
19 01:52 S 6 10.00 Partly Cloudy FEW120 SCT250 73.9 63 84 73 69% 30.29 1025.2
19 00:52 S 5 10.00 Partly Cloudy SCT250 75 64.9 71% 77 30.28 1024.8
18 23:52 S 8 10.00 Mostly Cloudy BKN250 77 64.9 66% 79 30.26 1024.5
18 22:52 S 6 10.00 Fair CLR 78.1 66 67% 80 30.26 1024.4
18 21:52 SE 9 10.00 A Few Clouds FEW250 80.1 66 62% 82 30.25 1024.1
18 20:52 S 8 10.00 A Few Clouds FEW250 82 66.9 60% 85 30.24 1023.5
18 19:52 SE 13 10.00 A Few Clouds FEW060 FEW250 84 66.9 91.9 84 57% 87 30.21 1022.8
18 18:52 SE 9 10.00 A Few Clouds FEW060 FEW250 88 68 52% 92 30.21 1022.5
18 17:52 SE 13 10.00 A Few Clouds FEW060 FEW250 89.1 69.1 52% 94 30.19 1022.0
18 16:52 SE 8 10.00 A Few Clouds FEW050 89.1 69.1 52% 94 30.2 1022.3
18 15:52 SE 9 G 23 10.00 Partly Cloudy SCT050 SCT250 89.1 69.1 52% 94 30.22 1022.9
18 14:52 S 12 10.00 Partly Cloudy SCT050 SCT250 91 69.1 49% 96 30.23 1023.2
18 13:52 S 10 G 18 10.00 Partly Cloudy SCT042 SCT250 90 70 91 75 52% 95 30.23 1023.4
18 12:52 S 7 10.00 A Few Clouds FEW250 89.1 71.1 55% 95 30.24 1023.5
18 11:52 S 7 10.00 A Few Clouds FEW250 86 69.1 57% 90 30.24 1023.8
18 10:52 S 9 10.00 Fair CLR 84 68 59% 87 30.25 1023.8
18 09:52 S 5 10.00 A Few Clouds FEW250 79 66 65% 81 30.25 1023.9
18 08:52 S 10 10.00 A Few Clouds FEW250 77 64 64% 79 30.25 1023.9
18 07:52 S 8 10.00 Partly Cloudy FEW060 SCT250 75 63 75 72 66% 77 30.24 1023.7
18 06:52 S 7 10.00 Partly Cloudy FEW030 SCT200 73 63 71% 30.22 1023.1
18 04:52 S 9 10.00 Fair CLR 73 64.9 76% 30.19 1021.9
18 03:52 S 6 10.00 Fair CLR 73 66 79% 30.18 1021.6
18 02:52 S 6 10.00 Fair CLR 73.9 66 76% 30.17 1021.2
18 01:52 S 6 10.00 Fair CLR 75 66.9 86 75 76% 76 30.17 1021.4
18 00:52 SE 5 10.00 Fair CLR 75.9 68 77% 77 30.18 1021.7
17 23:52 S 8 10.00 Fair CLR 78.1 69.1 74% 80 30.16 1021.0
17 22:52 SE 10 10.00 Fair CLR 81 69.1 67% 84 30.15 1020.4
17 21:52 S 8 10.00 A Few Clouds FEW250 82.9 69.1 63% 87 30.14 1020.3
17 20:52 S 8 10.00 A Few Clouds FEW050 FEW250 84 69.1 61% 88 30.13 1019.9
17 19:52 S 9 10.00 Partly Cloudy FEW070 SCT250 86 69.1 91 86 57% 90 30.13 1019.8
17 18:52 S 9 10.00 Mostly Cloudy FEW047 SCT120 BKN250 88 70 55% 93 30.1 1018.9
17 17:52 S 13 10.00 Partly Cloudy SCT047 SCT250 89.1 71.1 55% 95 30.09 1018.5
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)