Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (est) 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.
21 23:52 S 14 G 22 10.00 Mostly Cloudy SCT080 BKN095 39 15.1 38% 32 30.1 1019.5
21 22:52 S 14 10.00 Mostly Cloudy BKN100 37.9 12.9 36% 30 30.11 1019.9
21 21:52 S 13 10.00 Overcast SCT080 OVC160 37.9 12 34% 31 30.12 1020.4
21 20:52 S 10 G 20 10.00 Mostly Cloudy BKN080 39 10 30% 33 30.16 1021.5
21 19:52 S 12 G 22 10.00 Mostly Cloudy BKN080 39 9 29% 32 30.18 1022.4
21 18:52 S 8 10.00 Partly Cloudy FEW090 SCT200 39 8.1 42.1 37.9 28% 34 30.2 1023.0
21 17:52 S 7 10.00 Partly Cloudy FEW090 SCT200 39 7 26% 35 30.21 1023.5
21 16:52 S 10 10.00 Partly Cloudy FEW090 SCT200 41 5 22% 35 30.23 1023.9
21 15:52 S 21 G 30 10.00 Partly Cloudy and Breezy SCT090 SCT200 42.1 3.9 20% 34 30.23 1024.1
21 14:52 S 17 G 26 10.00 Partly Cloudy FEW080 SCT200 42.1 3 19% 34 30.26 1025.1
21 13:52 S 16 G 31 10.00 A Few Clouds FEW250 39.9 1.9 20% 32 30.28 1025.8
21 12:52 S 16 G 35 10.00 A Few Clouds FEW250 37.9 1 37.9 8.1 21% 30 30.31 1026.7
21 11:52 S 12 G 23 10.00 Fair CLR 34 1 24% 26 30.43 1030.9
21 10:52 S 9 10.00 Fair CLR 30 5 34% 22 30.47 1032.2
21 09:52 S 7 10.00 Fair CLR 25 7 46% 18 30.52 1033.8
21 08:52 Calm 10.00 Fair CLR 19.9 9 62% 30.52 1033.8
21 07:52 Calm 10.00 Fair CLR 10.9 3.9 73% 30.51 1033.8
21 06:52 Calm 10.00 Fair CLR 9 3 12 6.1 77% 30.51 1033.7
21 05:52 NW 5 10.00 Fair CLR 9 3 77% 1 30.53 1034.3
21 04:52 SE 3 10.00 Fair CLR 9 3 77% 30.51 1033.6
21 03:52 Calm 10.00 Fair CLR 9 3 77% 30.52 1034.0
21 02:52 Calm 10.00 Fair CLR 10 1 67% 30.53 1034.1
21 01:52 S 3 10.00 Fair CLR 10.9 1.9 67% 30.52 1033.8
21 00:52 Calm 10.00 Fair CLR 10.9 1 24.1 10 64% 30.51 1033.7
20 23:52 Calm 10.00 Fair CLR 12.9 -0 56% 30.52 1033.7
20 22:52 Calm 10.00 Fair CLR 15.1 -0 51% 30.52 1033.8
20 21:52 N 3 10.00 Fair CLR 19.9 -2 38% 30.5 1033.1
20 20:52 NW 3 10.00 Fair CLR 21 -2.9 34% 30.49 1032.7
20 19:52 NW 6 10.00 Fair CLR 21.9 -4 31% 15 30.49 1032.7
20 18:52 N 6 10.00 Fair CLR 24.1 -4 30.9 24.1 29% 18 30.46 1031.8
20 17:52 NW 10 10.00 A Few Clouds FEW200 26.1 -5.1 25% 17 30.43 1030.7
20 16:52 W 9 10.00 Fair CLR 28.9 -6 21% 21 30.4 1030.0
20 15:52 W 8 10.00 Fair CLR 30.9 -7.1 19% 24 30.39 1029.5
20 14:52 W 10 10.00 Fair CLR 30.9 -6 20% 23 30.38 1029.0
20 13:52 W 12 G 18 10.00 Fair CLR 30 -6 20% 21 30.37 1028.6
20 12:52 W 10 G 21 10.00 Fair CLR 28.9 -5.1 28.9 16 22% 20 30.37 1028.8
20 11:52 W 9 G 18 10.00 Fair CLR 27 -5.1 24% 19 30.4 1029.7
20 10:52 W 13 G 20 10.00 Fair CLR 25 -4 28% 14 30.42 1030.5
20 09:52 NW 8 10.00 Fair CLR 21.9 -2.9 33% 13 30.42 1030.3
20 08:52 N 7 10.00 Fair CLR 19.9 -2 38% 12 30.39 1029.5
20 07:52 NW 7 10.00 Fair CLR 17.1 -2.9 41% 8 30.37 1028.9
20 06:52 NW 5 10.00 Fair CLR 17.1 -2.9 25 16 41% 11 30.36 1028.4
20 05:52 NW 7 10.00 Fair CLR 17.1 -2 43% 8 30.32 1027.1
20 04:52 NW 7 10.00 Fair CLR 18 -2 41% 10 30.29 1026.0
20 03:52 NW 10 10.00 Fair CLR 19 -0.9 41% 8 30.28 1025.6
20 02:52 NW 12 10.00 Fair CLR 21 -0 39% 10 30.27 1025.3
20 01:52 NW 13 G 22 10.00 A Few Clouds FEW200 23 1.9 40% 12 30.24 1024.3
20 00:52 NW 10 10.00 A Few Clouds FEW200 25 5 34 25 42% 16 30.21 1023.4
19 23:52 NW 16 G 25 10.00 A Few Clouds FEW200 28 7 41% 17 30.19 1022.6
19 22:52 NW 12 G 22 10.00 Fair CLR 30 9 41% 21 30.15 1021.2
19 21:52 NW 5 10.00 Partly Cloudy SCT200 30.9 8.1 38% 27 30.12 1020.1
19 20:52 NW 10 10.00 A Few Clouds FEW060 FEW180 32 9 38% 24 30.09 1019.1
19 19:52 Calm 10.00 Fair CLR 30.9 8.1 38% 30.08 1018.9
19 18:52 N 3 10.00 Fair CLR 34 9 42.1 34 35% 30.05 1018.0
19 17:52 NW 8 10.00 A Few Clouds FEW060 36 9 32% 30 30.02 1016.7
19 16:52 NW 10 10.00 A Few Clouds FEW060 39.9 10 29% 34 29.99 1015.9
19 15:52 SW 8 10.00 A Few Clouds FEW060 42.1 14 32% 38 29.97 1015.1
19 14:52 SW 7 10.00 A Few Clouds FEW060 41 14 33% 37 29.96 1014.8
19 13:52 SW 9 10.00 A Few Clouds FEW055 39.9 14 35% 34 29.95 1014.4
19 12:52 SW 12 10.00 A Few Clouds FEW055 39 14 39 19 36% 32 29.95 1014.6
19 11:52 W 10 10.00 A Few Clouds FEW050 FEW100 37.9 14 37% 32 29.98 1015.3
19 10:52 SW 10 10.00 A Few Clouds FEW050 FEW100 36 14 40% 29 30 1016.2
19 09:52 SW 12 10.00 A Few Clouds FEW080 30.9 16 54% 22 30 1016.2
19 08:52 S 7 10.00 A Few Clouds FEW050 25 16 69% 18 29.99 1015.8
19 07:52 S 8 10.00 Fair CLR 21.9 15.1 75% 13 29.99 1015.9
19 06:52 S 7 10.00 Partly Cloudy SCT090 19 12 21 16 74% 11 29.98 1015.7
19 05:52 S 3 10.00 A Few Clouds FEW110 18 12 77% 29.97 1015.4
19 04:52 S 5 10.00 Fair CLR 19.9 10.9 68% 14 29.96 1014.9
19 03:52 SW 6 10.00 Mostly Cloudy BKN120 21 12.9 71% 14 29.99 1015.6
19 02:52 Calm 10.00 Mostly Cloudy BKN120 17.1 10.9 77% 29.98 1015.7
19 01:52 Calm 10.00 Fair CLR 17.1 10.9 77% 29.97 1015.3
19 00:52 Calm 10.00 Fair CLR 19 10.9 30 18 71% 29.94 1014.3
Date Time (est) 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)