Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
12 15:52 SE 20 G 37 16.09 Mostly Cloudy FEW180 BKN250 22.2 7.2 38% 76.91 1025.4
12 14:52 S 20 16.09 Mostly Cloudy BKN250 21.7 6.7 38% 77.01 1026.7
12 13:52 S 11 G 30 16.09 Mostly Cloudy BKN250 21.1 6.7 21.7 10.6 39% 77.11 1028.1
12 12:52 S 17 G 41 16.09 Mostly Cloudy FEW050 BKN250 20 6.7 42% 77.19 1029.1
12 11:52 S 20 G 33 16.09 Mostly Cloudy FEW045 BKN250 19.4 6.7 44% 77.27 1030.1
12 10:52 S 19 16.09 Mostly Cloudy FEW040 BKN250 17.2 6.1 48% 77.32 1030.6
12 09:52 SE 13 16.09 A Few Clouds FEW250 16.1 7.8 58% 77.34 1030.9
12 08:52 E 11 16.09 Mostly Cloudy BKN250 12.8 6.7 67% 77.34 1031.0
12 07:52 E 7 16.09 Mostly Cloudy FEW060 BKN250 10.6 6.1 10.6 5.6 74% 77.34 1031.0
12 06:52 E 9 16.09 Partly Cloudy FEW065 FEW150 SCT250 7.8 5.6 86% 6 77.27 1030.2
12 05:52 Calm 16.09 Mostly Cloudy BKN065 7.2 4.4 83% 77.24 1029.8
12 04:52 Calm 16.09 Mostly Cloudy BKN070 6.1 3.9 86% 77.22 1029.4
12 03:52 E 6 16.09 Partly Cloudy SCT070 7.2 4.4 83% 77.19 1028.9
12 02:52 Calm 16.09 A Few Clouds FEW070 6.7 3.9 83% 77.17 1028.7
12 01:52 Calm 16.09 A Few Clouds FEW250 8.3 3.9 17.2 7.2 74% 77.17 1028.6
12 00:52 Calm 16.09 A Few Clouds FEW070 8.9 3.9 71% 77.17 1028.6
11 23:52 Calm 16.09 A Few Clouds FEW250 9.4 3.9 69% 77.11 1028.0
11 22:52 Calm 16.09 Fair CLR 11.1 3.9 61% 77.09 1027.5
11 21:52 Calm 16.09 Fair CLR 12.2 3.9 57% 77.06 1027.3
11 20:52 E 6 16.09 Fair CLR 13.9 3.3 49% 77.01 1026.5
11 19:52 NE 13 16.09 A Few Clouds FEW250 16.7 3.3 21.7 16.7 41% 76.96 1025.9
11 18:52 N 20 16.09 A Few Clouds FEW250 20 1.1 28% 76.89 1024.9
11 17:52 NW 7 16.09 A Few Clouds FEW250 21.1 1.7 28% 76.89 1024.9
11 16:52 W 15 16.09 A Few Clouds FEW250 21.1 2.2 29% 76.89 1025.0
11 15:52 NW 19 G 30 16.09 A Few Clouds FEW050 21.1 2.8 30% 76.91 1025.1
11 14:52 NW 15 16.09 A Few Clouds FEW050 20.6 2.8 31% 76.91 1025.3
11 13:52 N 13 16.09 A Few Clouds FEW050 18.9 4.4 19.4 15.6 39% 76.94 1025.8
11 12:52 N 11 G 33 16.09 A Few Clouds FEW045 FEW250 18.3 4.4 40% 76.96 1026.0
11 11:52 N 24 G 43 14.48 A Few Clouds FEW045 FEW250 17.8 5.6 45% 77.01 1026.4
11 10:52 N 20 16.09 A Few Clouds FEW042 FEW250 17.2 6.7 50% 76.99 1026.1
11 09:52 N 19 16.09 Partly Cloudy FEW042 SCT250 15.6 7.2 58% 76.94 1025.5
11 08:52 N 28 G 39 16.09 Mostly Cloudy FEW026 BKN041 BKN090 16.1 8.9 63% 76.89 1024.9
11 07:52 N 22 16.09 Mostly Cloudy SCT032 BKN050 BKN250 16.7 11.1 18.3 13.3 70% 76.81 1023.9
11 06:52 NW 9 16.09 Mostly Cloudy SCT039 BKN250 16.1 11.7 75% 76.73 1022.7
11 05:52 NW 19 16.09 Partly Cloudy FEW060 SCT250 16.7 11.7 73% 76.63 1021.4
11 04:52 N 9 16.09 Partly Cloudy FEW060 SCT250 15.6 10.6 72% 76.61 1021.1
11 03:52 NW 13 16.09 Mostly Cloudy BKN090 BKN150 17.2 10.6 65% 76.58 1020.7
11 02:52 NW 7 16.09 Mostly Cloudy FEW100 BKN200 15 7.8 62% 76.58 1020.7
11 01:52 Calm 16.09 Mostly Cloudy SCT100 BKN250 13.9 6.1 21.1 13.3 60% 76.58 1020.9
11 00:52 Calm 16.09 Mostly Cloudy BKN120 16.1 5 48% 76.58 1020.8
10 23:52 SW 13 16.09 Mostly Cloudy BKN120 18.3 5.6 43% 76.53 1020.0
10 22:52 S 11 16.09 Partly Cloudy SCT120 SCT250 18.3 5.6 43% 76.56 1020.4
10 21:52 S 11 16.09 A Few Clouds FEW250 19.4 5.6 41% 76.58 1020.8
10 20:52 SE 11 16.09 A Few Clouds FEW250 18.9 6.1 43% 76.53 1020.2
10 19:52 S 13 16.09 A Few Clouds FEW250 21.1 5.6 25.6 21.1 37% 76.5 1019.9
10 18:52 SE 17 16.09 Partly Cloudy FEW050 SCT250 23.9 5 29% 25 76.5 1019.8
10 17:52 SE 19 G 37 16.09 A Few Clouds FEW250 25 5 28% 25 76.5 1019.9
10 16:52 S 22 G 33 16.09 A Few Clouds FEW250 25 5.6 29% 25 76.53 1020.3
10 15:52 S 17 16.09 A Few Clouds FEW250 25 7.2 32% 25 76.58 1021.0
10 14:52 S 17 16.09 A Few Clouds FEW250 24.4 6.1 31% 25 76.68 1022.2
10 13:52 S 15 G 30 16.09 A Few Clouds FEW250 21.7 6.1 21.7 7.8 36% 76.81 1023.8
10 12:52 Vrbl 9 16.09 A Few Clouds FEW250 19.4 5.6 41% 76.91 1025.3
10 11:52 S 13 16.09 A Few Clouds FEW250 16.7 5.6 48% 77.01 1026.5
10 10:52 S 13 16.09 Fair CLR 15 5.6 54% 77.06 1027.2
10 09:52 Vrbl 9 16.09 A Few Clouds FEW250 11.7 6.7 72% 77.09 1027.9
10 08:52 S 11 16.09 A Few Clouds FEW250 9.4 6.1 80% 8 77.11 1028.2
10 07:52 SE 6 16.09 A Few Clouds FEW250 7.8 6.1 7.8 5.6 89% 77.17 1028.7
10 06:52 S 7 16.09 A Few Clouds FEW250 6.1 5 93% 5 77.14 1028.5
10 05:52 Calm 16.09 Fair CLR 6.1 5 93% 77.09 1027.9
10 04:52 SE 7 16.09 Fair CLR 6.1 5 93% 5 77.11 1028.2
10 03:52 SE 6 16.09 Fair CLR 6.7 5.6 93% 77.11 1028.2
10 02:52 S 6 16.09 Fair CLR 6.7 5.6 93% 77.14 1028.5
10 01:52 SE 7 16.09 Fair CLR 7.2 5 13.9 7.2 86% 6 77.19 1029.1
10 00:52 S 7 16.09 Fair CLR 8.3 5.6 83% 7 77.22 1029.4
09 23:52 S 7 16.09 Fair CLR 9.4 3.9 69% 9 77.24 1029.8
09 22:52 SE 6 16.09 Fair CLR 10.6 3.3 61% 77.24 1029.8
09 21:52 S 11 16.09 Fair CLR 11.7 3.3 57% 77.24 1029.9
09 20:52 S 9 16.09 Fair CLR 12.8 1.7 47% 77.22 1029.5
09 19:52 SE 11 16.09 A Few Clouds FEW250 13.9 1.7 17.2 13.9 44% 77.19 1029.1
09 18:52 SE 17 16.09 Partly Cloudy SCT250 16.1 0 34% 77.19 1029.3
09 17:52 S 11 G 28 16.09 Partly Cloudy SCT250 16.7 -0.6 31% 77.22 1029.4
09 16:52 SE 13 16.09 Partly Cloudy SCT250 16.7 -0.6 31% 77.24 1029.9
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)