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.
19 02:52 S 8 10.00 Fair CLR 75 62.1 64% 77 30.11 1019.2
19 01:52 S 9 10.00 Fair CLR 77 62.1 89.1 77 60% 79 30.12 1019.5
19 00:52 SW 6 10.00 Fair CLR 77 62.1 60% 79 30.12 1019.6
18 23:52 S 7 10.00 Fair CLR 79 62.1 56% 80 30.12 1019.6
18 22:52 S 7 10.00 Fair CLR 82 62.1 51% 83 30.12 1019.6
18 21:52 S 6 10.00 Fair CLR 82.9 63 51% 84 30.11 1019.3
18 20:52 SE 6 10.00 A Few Clouds FEW250 84 64 51% 85 30.09 1018.6
18 19:52 S 7 10.00 A Few Clouds FEW120 FEW250 89.1 63 95 89.1 42% 90 30.09 1018.4
18 18:52 S 7 10.00 A Few Clouds FEW085 FEW250 91 63 39% 92 30.09 1018.7
18 17:52 SE 12 G 18 10.00 A Few Clouds FEW070 FEW250 91.9 63 38% 93 30.09 1018.6
18 16:52 SE 9 10.00 A Few Clouds FEW070 FEW250 93 64 38% 95 30.1 1018.9
18 15:52 SW 8 G 17 10.00 A Few Clouds FEW075 FEW250 93.9 62.1 35% 95 30.12 1019.6
18 14:52 E 8 10.00 A Few Clouds FEW060 93 64 38% 95 30.13 1020.0
18 13:52 SE 3 10.00 A Few Clouds FEW050 93 62.1 93 72 36% 94 30.15 1020.5
18 12:52 Vrbl 3 10.00 Fair CLR 91 62.1 38% 92 30.16 1020.8
18 11:52 Calm 10.00 Fair CLR 89.1 63 42% 90 30.18 1021.5
18 10:52 S 6 10.00 Partly Cloudy SCT250 86 66 51% 88 30.18 1021.7
18 09:52 Calm 10.00 Mostly Cloudy BKN250 82 66 58% 84 30.19 1021.8
18 08:52 S 5 10.00 Partly Cloudy SCT250 75 64.9 71% 77 30.19 1022.0
18 06:52 Calm 10.00 Partly Cloudy FEW120 SCT250 64 61 90% 30.17 1021.2
18 05:52 Calm 10.00 A Few Clouds FEW120 FEW250 62.1 60.1 93% 30.15 1020.5
18 04:52 Calm 10.00 Fair CLR 64.9 61 87% 30.14 1020.2
18 03:52 SE 3 10.00 Fair CLR 63 60.1 90% 30.13 1019.9
18 02:52 Calm 10.00 Fair CLR 66 61 84% 30.13 1020.0
17 23:52 S 8 10.00 Partly Cloudy SCT180 75 61 62% 77 30.13 1020.0
17 22:52 S 6 10.00 Mostly Cloudy BKN180 75.9 61 60% 78 30.13 1020.0
17 21:52 SE 6 10.00 Partly Cloudy SCT180 77 62.1 60% 79 30.11 1019.4
17 20:52 S 5 10.00 Partly Cloudy FEW090 SCT180 SCT250 73.9 62.1 67% 30.1 1019.0
17 19:52 S 5 10.00 Partly Cloudy FEW100 SCT180 SCT250 81 61 88 81 51% 82 30.09 1018.7
17 18:52 SW 3 10.00 Partly Cloudy FEW060 FEW090 SCT110 SCT250 84 60.1 44% 84 30.08 1018.5
17 17:52 SW 3 10.00 Partly Cloudy FEW060 FEW110 SCT250 86 60.1 42% 86 30.08 1018.4
17 16:52 SW 8 10.00 Partly Cloudy FEW060 FEW110 SCT250 87.1 60.1 40% 87 30.08 1018.2
17 15:52 W 6 10.00 Partly Cloudy FEW050 FEW110 SCT180 SCT250 87.1 60.1 40% 87 30.09 1018.7
17 14:52 NW 7 G 18 10.00 Partly Cloudy FEW050 FEW110 SCT170 SCT250 84.9 60.1 43% 85 30.11 1019.3
17 13:52 NW 6 10.00 Mostly Cloudy FEW050 SCT075 SCT090 BKN150 BKN250 82.9 60.1 82.9 64.9 46% 83 30.13 1019.9 0.01
17 11:52 NW 5 10.00 Mostly Cloudy BKN050 BKN065 BKN100 BKN150 75.9 64.9 69% 78 30.15 1020.8
17 10:52 S 5 10.00 Mostly Cloudy SCT042 BKN110 BKN150 BKN250 71.1 64 79% 30.14 1020.5 0.01 0.01
17 09:52 SW 6 10.00 Mostly Cloudy BKN110 BKN250 70 61 73% 30.14 1020.3
17 08:52 SW 5 10.00 Mostly Cloudy BKN130 BKN250 70 61 73% 30.13 1020.1
17 07:52 S 5 10.00 Mostly Cloudy SCT150 BKN250 64.9 60.1 64.9 57 84% 30.11 1019.5
17 06:52 Calm 10.00 Mostly Cloudy FEW120 BKN250 61 57.9 90% 30.07 1018.1
17 05:52 Calm 10.00 Mostly Cloudy FEW120 BKN250 59 57 93% 30.04 1017.1
17 04:52 E 3 10.00 A Few Clouds FEW250 60.1 57 90% 30.05 1017.1
17 03:52 E 3 10.00 Fair CLR 59 57 93% 30.02 1016.4
17 02:52 Calm 10.00 A Few Clouds FEW060 FEW250 61 59 93% 30.02 1016.4
16 23:52 NW 5 10.00 Mostly Cloudy FEW060 BKN250 66 59 78% 30.01 1015.9
16 22:52 Calm 10.00 Mostly Cloudy FEW120 FEW150 BKN250 64 59 84% 30 1015.6
16 21:52 Calm 10.00 Mostly Cloudy FEW120 SCT150 BKN250 71.1 60.1 68% 29.99 1015.5
16 20:52 W 3 10.00 Overcast FEW060 BKN110 BKN180 OVC250 73.9 59 60% 29.98 1015.1
16 19:52 S 3 10.00 Overcast OVC095 73.9 59 84.9 73.9 60% 29.97 1014.8
16 18:52 SW 6 10.00 Mostly Cloudy FEW070 BKN110 BKN180 BKN250 77 57.9 52% 79 29.98 1015.1
16 17:52 W 16 G 26 10.00 Overcast FEW060 BKN075 BKN130 OVC250 79 55 44% 80 30.01 1015.9
16 16:52 SW 14 10.00 Mostly Cloudy FEW060 SCT080 BKN130 BKN250 84 53.1 34% 83 29.99 1015.3
16 15:52 S 13 G 24 10.00 Partly Cloudy FEW090 FEW180 SCT250 82.9 51.1 33% 81 30 1015.8
16 14:52 S 9 10.00 A Few Clouds FEW075 FEW250 82 48.9 32% 81 30.01 1016.1
16 13:52 S 14 G 21 10.00 A Few Clouds FEW075 FEW250 81 46 81 57.9 29% 80 30.03 1016.9
16 12:52 S 6 G 18 10.00 Partly Cloudy FEW075 SCT250 77 48.9 37% 78 30.07 1017.9
16 11:52 Vrbl 6 10.00 A Few Clouds FEW250 73.9 50 43% 30.08 1018.5
16 10:52 S 6 10.00 A Few Clouds FEW250 71.1 51.1 49% 30.1 1019.2
16 09:52 SW 6 10.00 A Few Clouds FEW070 FEW250 66.9 48.9 53% 30.12 1019.8
16 08:52 SW 6 10.00 Fair CLR 63 48.9 60% 30.12 1019.9
16 07:52 S 5 10.00 Fair CLR 57.9 48.9 57.9 45 72% 30.13 1020.0
16 06:52 Calm 10.00 A Few Clouds FEW050 FEW130 48.9 46.9 93% 30.12 1019.9
16 05:52 SE 3 10.00 A Few Clouds FEW050 46 45 96% 30.1 1019.3
16 03:52 Calm 10.00 Fair CLR 46.9 45 93% 30.08 1018.4
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)