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 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
17 16:52 SE 9 10.00 Mostly Cloudy SCT047 BKN250 88 70 55% 93 30.1 1018.9
17 15:52 S 8 10.00 Mostly Cloudy BKN045 BKN075 BKN250 90 68 48% 94 30.12 1019.5
17 14:52 Vrbl 7 10.00 Mostly Cloudy FEW045 SCT080 BKN250 88 69.1 54% 92 30.13 1020.1
17 13:52 Vrbl 5 10.00 A Few Clouds FEW075 FEW250 87.1 68 88 72 53% 91 30.14 1020.2
17 12:52 S 8 10.00 A Few Clouds FEW075 FEW250 84.9 66.9 55% 88 30.15 1020.7
17 11:52 Vrbl 6 10.00 Partly Cloudy SCT075 82.9 64.9 55% 85 30.17 1021.3
17 10:52 S 10 10.00 A Few Clouds FEW075 81 64.9 58% 83 30.17 1021.5
17 09:52 SW 12 10.00 Mostly Cloudy BKN075 78.1 63 60% 80 30.19 1022.1
17 08:52 S 10 G 21 10.00 A Few Clouds FEW080 FEW250 75 62.1 64% 77 30.2 1022.2
17 07:52 S 8 G 20 10.00 A Few Clouds FEW080 FEW250 72 61 72 68 68% 30.18 1021.9
17 06:52 S 7 10.00 A Few Clouds FEW080 FEW250 69.1 57.9 68% 30.18 1021.7
17 05:52 S 7 10.00 Mostly Cloudy BKN080 69.1 57 66% 30.18 1021.7
17 04:52 S 6 10.00 Fair CLR 68 57 68% 30.17 1021.5
17 03:52 S 7 10.00 Fair CLR 69.1 57 66% 30.17 1021.5
17 02:52 S 6 10.00 Fair CLR 70 57 64% 30.18 1021.6
17 01:52 S 7 10.00 Fair CLR 72 57 81 72 59% 30.17 1021.4
17 00:52 S 7 10.00 Fair CLR 73 59 62% 30.17 1021.3
16 23:52 S 7 10.00 Fair CLR 73.9 61 64% 30.17 1021.5
16 22:52 SE 10 10.00 A Few Clouds FEW070 75 60.1 60% 77 30.15 1020.8
16 21:52 S 9 10.00 Mostly Cloudy BKN070 BKN200 77 57.9 52% 79 30.15 1020.7
16 20:52 S 9 G 20 10.00 Overcast BKN070 OVC250 79 59 50% 80 30.14 1020.2
16 19:52 S 10 G 16 10.00 Overcast BKN070 OVC250 81 60.1 86 81 49% 82 30.13 1020.1
16 18:52 SE 10 10.00 Mostly Cloudy SCT060 BKN250 82.9 60.1 46% 83 30.13 1020.0
16 17:52 S 13 G 18 10.00 Partly Cloudy SCT060 84.9 61 45% 85 30.13 1020.0
16 16:52 S 10 G 20 10.00 Partly Cloudy SCT060 SCT250 84.9 59 42% 85 30.15 1020.6
16 15:52 S 12 G 20 10.00 Mostly Cloudy BKN060 BKN250 86 59 40% 85 30.16 1021.0
16 14:52 S 10 G 18 10.00 Mostly Cloudy SCT060 SCT100 BKN250 84 57.9 41% 83 30.18 1021.5
16 13:52 S 12 G 21 10.00 Mostly Cloudy FEW060 BKN250 84.9 59 84.9 69.1 42% 85 30.19 1022.0
16 12:52 S 9 G 21 10.00 Mostly Cloudy FEW055 BKN250 82.9 57 41% 82 30.2 1022.4
16 11:52 SE 7 10.00 Mostly Cloudy FEW050 BKN250 80.1 55.9 44% 80 30.2 1022.5
16 10:52 Vrbl 6 10.00 Mostly Cloudy FEW040 BKN250 81 57 44% 81 30.21 1022.9
16 09:52 SE 6 10.00 Mostly Cloudy BKN250 77 59 54% 79 30.21 1022.7
16 08:52 Vrbl 6 10.00 Mostly Cloudy BKN250 73 57.9 59% 30.22 1023.1
16 07:52 NW 5 10.00 Mostly Cloudy BKN250 69.1 57.9 69.1 55.9 68% 30.21 1022.8
16 06:52 Calm 10.00 Mostly Cloudy BKN250 63 55.9 78% 30.19 1022.1
16 05:52 Calm 10.00 Partly Cloudy SCT250 55.9 53.1 90% 30.17 1021.5
16 04:52 NW 3 10.00 Fair CLR 57.9 54 87% 30.16 1020.9
16 03:52 Calm 10.00 Fair CLR 57.9 54 87% 30.15 1020.5
16 02:52 Calm 10.00 Fair CLR 59 53.1 81% 30.14 1020.3
16 01:52 Calm 10.00 A Few Clouds FEW250 60.1 53.1 80.1 60.1 78% 30.14 1020.2
16 00:52 Calm 10.00 A Few Clouds FEW250 62.1 53.1 73% 30.13 1020.0
15 23:52 Calm 10.00 Fair CLR 64 53.1 68% 30.13 1019.9
15 22:52 Calm 10.00 A Few Clouds FEW250 64.9 53.1 66% 30.11 1019.3
15 21:52 Calm 10.00 A Few Clouds FEW250 66.9 53.1 61% 30.1 1019.1
15 19:52 N 7 10.00 A Few Clouds FEW250 80.1 50 84 79 35% 80 30.08 1018.2
15 18:52 NW 7 10.00 A Few Clouds FEW065 FEW220 82 51.1 34% 81 30.06 1017.7
15 17:52 N 8 G 17 10.00 A Few Clouds FEW065 FEW180 82.9 52 34% 82 30.06 1017.5
15 16:52 NW 9 10.00 A Few Clouds FEW065 82.9 53.1 36% 82 30.06 1017.6
15 15:52 N 10 G 16 10.00 Fair CLR 82.9 53.1 36% 82 30.06 1017.7
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)