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.
25 17:52 S 11 G 30 16.09 Mostly Cloudy SCT120 BKN250 15.6 -3.9 26% 76.61 1021.2
25 16:52 S 19 G 30 16.09 Mostly Cloudy BKN120 BKN250 14.4 -3.3 29% 76.66 1022.0
25 15:52 SE 19 G 30 16.09 Mostly Cloudy BKN120 BKN250 14.4 -2.8 31% 76.71 1022.7
25 14:52 S 19 G 37 16.09 Mostly Cloudy SCT120 BKN250 14.4 -1.1 35% 76.78 1023.7
25 13:52 S 13 G 31 16.09 Mostly Cloudy SCT120 BKN250 13.9 -1.1 13.9 4.4 36% 76.91 1025.5
25 12:52 S 17 16.09 Mostly Cloudy BKN110 BKN250 12.2 -1.1 40% 77.04 1026.9
25 11:52 S 17 16.09 Mostly Cloudy BKN110 10.6 -1.1 45% 77.09 1028.0
25 10:52 S 13 16.09 Mostly Cloudy SCT120 BKN250 9.4 -1.1 48% 8 77.14 1028.5
25 09:52 S 11 16.09 Mostly Cloudy BKN110 BKN250 7.8 -1.1 54% 6 77.11 1028.2
25 08:52 S 11 16.09 Mostly Cloudy SCT120 BKN160 BKN220 5.6 -1.7 60% 3 77.14 1028.5
25 07:52 S 9 16.09 Mostly Cloudy FEW120 BKN160 3.9 -1.7 5.6 3.9 67% 2 77.14 1028.4
25 06:52 S 6 16.09 Mostly Cloudy SCT120 BKN160 3.9 -1.7 67% 77.11 1028.3
25 05:52 S 7 16.09 A Few Clouds FEW120 4.4 -1.7 65% 3 77.09 1027.8
25 04:52 S 11 16.09 Overcast OVC180 3.9 -1.7 67% 1 77.06 1027.5
25 03:52 S 9 16.09 Mostly Cloudy BKN150 4.4 -1.7 65% 2 77.06 1027.5
25 02:52 S 9 16.09 Overcast OVC150 5 -1.7 62% 3 77.11 1028.1
25 01:52 S 15 16.09 Overcast FEW120 OVC150 5.6 -1.7 7.8 3.9 60% 3 77.09 1028.0
25 00:52 S 11 16.09 Overcast OVC150 6.1 -1.7 58% 4 77.11 1028.2
24 23:52 S 7 16.09 Overcast OVC180 6.1 -1.7 58% 5 77.14 1028.6
24 22:52 S 9 16.09 Overcast OVC180 6.7 -2.8 51% 5 77.11 1028.2
24 21:52 SE 9 16.09 Partly Cloudy SCT250 6.7 -5 43% 5 77.11 1028.3
24 20:52 SE 9 16.09 Mostly Cloudy BKN250 6.7 -5 43% 5 77.09 1028.1
24 19:52 SW 7 16.09 Mostly Cloudy BKN250 6.7 -5.6 11.1 6.7 41% 6 77.06 1027.7
24 18:52 SE 11 16.09 Mostly Cloudy BKN250 9.4 -7.8 29% 8 77.06 1027.7
24 17:52 S 15 G 35 16.09 Mostly Cloudy BKN250 10.6 -7.2 28% 77.06 1027.4
24 16:52 Vrbl 9 16.09 A Few Clouds FEW250 10.6 -8.3 26% 77.06 1027.5
24 15:52 Vrbl 7 16.09 A Few Clouds FEW250 10 -7.2 29% 9 77.11 1028.2
24 14:52 Vrbl 9 16.09 A Few Clouds FEW200 8.9 -7.8 30% 8 77.19 1029.2
24 13:52 Vrbl 7 16.09 A Few Clouds FEW200 8.3 -7.2 8.3 0.6 33% 7 77.24 1029.9
24 12:52 Vrbl 7 16.09 A Few Clouds FEW040 FEW200 6.7 -8.3 34% 6 77.34 1031.1
24 11:52 N 6 16.09 A Few Clouds FEW040 FEW200 5.6 -7.2 40% 77.39 1032.0
24 10:52 Vrbl 6 16.09 Partly Cloudy FEW140 SCT250 5 -6.7 43% 77.42 1032.1
24 09:52 N 19 16.09 Partly Cloudy FEW140 SCT250 3.3 -7.8 44% -1 77.39 1031.9
24 08:52 N 17 16.09 A Few Clouds FEW140 FEW250 2.2 -7.8 48% -2 77.32 1031.0
24 07:52 NW 15 16.09 A Few Clouds FEW140 FEW250 0.6 -7.8 2.2 -0.6 54% -3 77.29 1030.6
24 06:52 NW 11 16.09 A Few Clouds FEW120 FEW200 -0.6 -7.8 59% -4 77.24 1030.0
24 05:52 NW 9 16.09 Fair CLR 0 -8.3 54% -3 77.17 1029.0
24 04:52 NW 9 16.09 Fair CLR 0.6 -8.3 52% -2 77.14 1028.4
24 03:52 NW 17 16.09 Fair CLR 1.1 -8.9 48% -3 77.09 1028.0
24 02:52 NW 19 16.09 Fair CLR 1.7 -8.3 48% -2 77.06 1027.7
24 01:52 NW 19 16.09 Fair CLR 2.2 -7.2 8.3 2.2 50% -2 77.06 1027.5
24 00:52 NW 17 16.09 Fair CLR 2.8 -7.2 48% -1 77.04 1027.0
23 23:52 NW 17 G 33 16.09 A Few Clouds FEW055 3.3 -6.7 48% -0 76.99 1026.3
23 22:52 NW 31 G 54 16.09 Fair CLR 4.4 -6.1 47% -0 76.91 1025.4
23 21:52 NW 33 G 50 16.09 Partly Cloudy and Breezy SCT065 5.6 -5.6 45% 1 76.86 1024.5
23 20:52 NW 33 G 52 16.09 Mostly Cloudy and Breezy BKN060 BKN200 7.2 -3.9 46% 3 76.76 1023.3
23 19:52 NW 22 G 41 16.09 Mostly Cloudy BKN060 BKN180 8.3 -3.3 13.9 8.3 44% 5 76.63 1021.7
23 18:52 N 26 G 41 16.09 Mostly Cloudy SCT060 BKN180 8.3 -3.3 44% 5 76.58 1020.9
23 17:52 N 33 G 54 16.09 Mostly Cloudy and Breezy BKN055 BKN180 8.9 -2.8 44% 5 76.45 1019.2
23 16:52 NW 39 G 67 16.09 Partly Cloudy and Breezy SCT050 9.4 -2.8 43% 6 76.35 1017.7
23 15:52 NW 37 G 63 16.09 Partly Cloudy and Breezy SCT050 12.2 -1.7 38% 76.2 1015.8
23 14:52 NW 44 G 63 16.09 Partly Cloudy and Windy SCT048 12.8 1.1 45% 76.1 1014.6
23 13:52 W 35 G 59 16.09 A Few Clouds and Breezy FEW033 13.9 3.3 19.4 13.3 49% 76.1 1014.4
23 12:52 NW 48 G 63 16.09 Mostly Cloudy and Windy SCT035 BKN055 16.1 6.7 54% 75.95 1012.4
23 11:52 NW 35 G 61 16.09 Mostly Cloudy and Breezy BKN035 17.8 10 60% 75.82 1010.5
23 10:52 NW 30 G 50 16.09 Mostly Cloudy SCT030 BKN035 18.3 11.7 66% 75.69 1008.8
23 09:52 Vrbl 7 16.09 Mostly Cloudy BKN043 BKN050 BKN250 15.6 12.8 84% 75.62 1007.8
23 08:52 Calm 16.09 Overcast OVC043 15 13.3 90% 75.54 1006.8
23 07:52 S 9 14.48 Mostly Cloudy SCT070 BKN110 13.3 12.8 19.4 13.3 97% 75.49 1006.2 0.18
23 06:52 Calm 16.09 Mostly Cloudy SCT080 BKN090 13.9 13.3 96% 75.39 1004.9 0.1
23 05:52 NW 9 11.27 Light Rain BKN070 OVC080 15.6 13.3 86% 75.41 1005.2 0.08
23 04:52 N 19 16.09 Overcast OVC060 16.7 12.2 75% 75.46 1005.6
23 03:52 N 30 G 46 16.09 Mostly Cloudy SCT016 BKN250 16.7 13.3 80% 75.44 1005.4
23 02:52 N 20 16.09 Mostly Cloudy BKN250 17.8 13.3 75% 75.31 1003.9
23 01:52 N 19 16.09 Mostly Cloudy BKN250 19.4 12.2 26.1 18.3 63% 75.31 1003.6
23 00:52 NW 13 16.09 Partly Cloudy SCT250 19.4 10 55% 75.13 1001.6
22 23:52 Calm 16.09 Partly Cloudy FEW120 SCT250 22.8 9.4 43% 75.18 1002.2
22 22:52 N 19 G 28 16.09 Partly Cloudy FEW060 SCT250 23.9 9.4 40% 25 75.23 1002.9
22 21:52 SW 19 16.09 Mostly Cloudy BKN250 25 8.9 36% 26 75.23 1002.9
22 20:52 S 15 16.09 Mostly Cloudy FEW180 BKN250 25.6 8.3 33% 26 75.23 1002.8
22 19:52 S 19 16.09 Mostly Cloudy FEW070 BKN250 26.1 7.8 30 25 31% 26 75.18 1002.1
22 18:52 S 24 G 41 16.09 Mostly Cloudy FEW070 BKN250 27.8 7.8 28% 27 75.16 1001.8
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)