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.
13 08:52 NE 8 10.00 Partly Cloudy SCT250 42.1 27 55% 38 30.51 1033.3
13 07:52 NW 5 10.00 Partly Cloudy SCT250 36 26.1 67% 33 30.51 1033.4
13 06:52 W 5 10.00 A Few Clouds FEW250 32 24.1 41 30.9 73% 28 30.5 1032.9
13 05:52 N 3 10.00 Fair CLR 36 25 64% 30.48 1032.3
13 04:52 N 7 10.00 Fair CLR 37 25 62% 32 30.45 1031.2
13 03:52 N 7 10.00 Fair CLR 37.9 25 60% 33 30.43 1030.6
13 02:52 N 7 10.00 Fair CLR 39 25 57% 35 30.44 1030.7
13 01:52 N 10 10.00 Fair CLR 39 25 57% 33 30.41 1029.8
13 00:52 N 9 G 22 10.00 Fair CLR 41 25 51.1 41 53% 36 30.4 1029.4
12 23:52 N 9 10.00 Fair CLR 43 24.1 47% 38 30.38 1028.8
12 22:52 N 10 10.00 Fair CLR 44.1 25 47% 39 30.37 1028.3
12 21:52 N 13 G 21 10.00 Fair CLR 46 25 44% 41 30.36 1028.0
12 20:52 N 12 10.00 Fair CLR 46.9 26.1 44% 42 30.33 1027.0
12 19:52 NE 14 10.00 Fair CLR 48.9 28 44% 44 30.3 1026.0
12 18:52 N 9 10.00 A Few Clouds FEW180 51.1 28 61 51.1 41% 30.28 1025.4
12 16:52 N 20 G 26 10.00 A Few Clouds FEW050 55 28.9 37% 30.21 1023.0
12 15:52 N 15 G 23 10.00 Fair CLR 57.9 30.9 36% 30.19 1022.3
12 14:52 NW 15 G 23 10.00 A Few Clouds FEW050 60.1 32 35% 30.17 1021.5
12 13:52 NW 16 G 22 10.00 A Few Clouds FEW050 61 33.1 35% 30.15 1020.8
12 12:52 NW 20 G 25 10.00 A Few Clouds FEW050 59 35.1 60.1 52 41% 30.13 1020.3
12 11:52 N 16 G 25 10.00 A Few Clouds FEW050 59 35.1 41% 30.14 1020.7
12 10:52 NW 16 G 24 10.00 A Few Clouds FEW048 57.9 35.1 42% 30.14 1020.4
12 09:52 NW 21 G 31 10.00 Partly Cloudy and Breezy SCT046 55.9 34 44% 30.12 1019.9
12 07:52 N 14 G 22 10.00 A Few Clouds FEW065 53.1 34 48% 30.08 1018.6
12 06:52 NW 15 G 22 10.00 A Few Clouds FEW055 52 35.1 60.1 52 53% 30.04 1017.2
12 05:52 NW 14 10.00 Partly Cloudy SCT050 55 37 51% 30.01 1016.1
12 04:52 NW 17 G 25 10.00 A Few Clouds FEW065 57 37 47% 29.97 1014.7
12 03:52 NW 15 10.00 Mostly Cloudy BKN065 57.9 39.9 51% 29.93 1013.3
12 02:52 NW 14 G 22 10.00 Mostly Cloudy BKN060 60.1 39.9 48% 29.91 1012.5
12 00:52 NW 7 10.00 Overcast OVC070 61 39.9 66 60.1 46% 29.87 1011.3
11 23:52 NW 14 G 26 10.00 Overcast OVC060 63 41 45% 29.85 1010.6
11 22:52 NW 10 G 21 10.00 Overcast OVC065 64 41 43% 29.84 1010.1
11 21:52 NW 15 G 26 10.00 A Few Clouds FEW060 63 41 45% 29.83 1009.8
11 20:52 NW 8 10.00 Fair CLR 61 41 48% 29.79 1008.7
11 19:52 NW 10 10.00 Fair CLR 64 39 40% 29.77 1008.1
11 18:52 NW 9 10.00 Fair CLR 64.9 41 75.9 64 42% 29.76 1007.8
11 17:52 NW 7 10.00 Fair CLR 66 43 43% 29.74 1007.0
11 16:52 W 6 10.00 A Few Clouds FEW065 71.1 43 36% 29.72 1006.2
11 15:52 W 6 10.00 A Few Clouds FEW065 75 45 34% 77 29.71 1006.0
11 14:52 W 13 10.00 Partly Cloudy SCT065 75.9 50 40% 78 29.72 1006.1
11 13:52 NW 14 10.00 Partly Cloudy SCT058 73.9 51.1 45% 29.73 1006.6
11 12:52 W 12 G 22 10.00 Partly Cloudy SCT044 73 52 73.9 57 48% 29.76 1007.5
11 11:52 NW 12 10.00 Mostly Cloudy BKN042 BKN060 72 54 53% 29.79 1008.6
11 10:52 SW 9 10.00 A Few Clouds FEW050 FEW100 69.1 57 66% 29.82 1009.8
11 09:52 SW 7 10.00 Partly Cloudy FEW050 SCT100 64 57 78% 29.84 1010.3
11 08:52 SW 8 10.00 Partly Cloudy FEW041 SCT100 61 55.9 84% 29.85 1010.8
11 07:52 SW 3 10.00 Partly Cloudy FEW046 SCT200 57.9 55 90% 29.85 1010.8
11 06:52 S 9 10.00 Mostly Cloudy FEW011 BKN038 BKN090 57 55 57.9 57 93% 29.85 1010.6 0.01 0.01
11 05:52 S 10 10.00 Overcast SCT010 OVC060 57.9 55 90% 29.86 1011.2
11 04:52 SW 12 10.00 Overcast OVC010 57.9 55 90% 29.86 1011.2
11 03:52 S 14 10.00 Overcast OVC010 57.9 55 90% 29.85 1010.7
11 02:52 S 12 G 21 10.00 Light Rain OVC011 57.9 55 90% 29.87 1011.3
11 01:52 SW 9 10.00 Overcast OVC011 57 54 90% 29.89 1011.9
10 23:52 S 14 G 25 10.00 Overcast SCT012 OVC075 55.9 53.1 90% 29.92 1013.1
10 22:52 S 13 10.00 Overcast SCT012 OVC070 55 52 90% 29.95 1014.0
10 21:52 SW 8 10.00 Overcast FEW006 BKN011 OVC055 54 51.1 90% 29.99 1015.7 0.02
10 20:52 S 12 G 21 9.00 Light Rain SCT009 BKN032 OVC060 53.1 51.1 93% 30 1016.0 0.02
10 19:52 S 10 10.00 Light Rain FEW010 SCT038 OVC055 53.1 50 89% 30.04 1017.1
10 18:52 S 12 8.00 Light Rain FEW010 BKN038 OVC050 52 50 61 52 93% 30.07 1018.1 0.14 0.18
10 17:52 S 9 5.00 Rain Fog/Mist BKN070 BKN090 BKN140 53.1 48.9 86% 30.08 1018.6 0.04
10 16:52 S 18 G 28 10.00 Light Rain SCT070 BKN110 OVC150 57 46 67% 30.08 1018.6
10 15:52 S 15 G 25 10.00 Light Rain FEW070 SCT110 BKN140 OVC200 60.1 42.1 52% 30.09 1019.0
10 14:52 S 12 G 22 10.00 Light Rain FEW120 BKN150 OVC220 60.1 30 32% 30.1 1019.2
10 13:52 S 12 G 24 10.00 Mostly Cloudy BKN150 BKN200 BKN250 60.1 30.9 33% 30.13 1020.4
10 12:52 S 16 G 23 10.00 Mostly Cloudy SCT150 BKN200 BKN250 59 34 60.1 46 39% 30.17 1021.7
10 11:52 S 10 G 22 10.00 Overcast SCT090 BKN140 OVC200 55.9 36 47% 30.21 1023.3
10 10:52 S 12 G 23 10.00 Overcast SCT100 BKN150 OVC200 54 37 53% 30.26 1024.7
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)