Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
Date Time (est) 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.
06 16:52 NW 9 16.09 A Few Clouds FEW070 13.3 -6.1 26% 76.56 1020.7
06 15:52 NW 19 16.09 A Few Clouds FEW070 15 -6.7 22% 76.56 1020.6
06 14:52 NW 26 G 41 16.09 A Few Clouds FEW060 15 -5.6 24% 76.56 1020.5
06 13:52 NW 26 G 43 16.09 A Few Clouds FEW060 15 -4.4 26% 76.58 1020.9
06 12:52 NW 15 G 39 14.48 A Few Clouds FEW060 14.4 -4.4 15 6.7 27% 76.61 1021.3
06 11:52 NW 17 G 31 16.09 A Few Clouds FEW060 13.9 -3.9 29% 76.68 1022.2
06 10:52 NW 28 G 46 11.27 A Few Clouds FEW060 12.8 -4.4 30% 76.73 1022.9
06 09:52 NW 28 G 46 14.48 A Few Clouds FEW033 FEW065 11.7 -3.3 35% 76.73 1022.8
06 08:52 W 13 G 31 16.09 A Few Clouds FEW060 10.6 -3.9 36% 76.73 1022.8
06 07:52 W 11 16.09 A Few Clouds FEW070 8.9 -3.9 41% 7 76.68 1022.2
06 06:52 NW 15 16.09 A Few Clouds FEW060 7.2 -3.9 13.3 7.2 46% 5 76.58 1021.1
06 05:52 NW 13 16.09 A Few Clouds FEW055 7.8 -5.6 38% 6 76.53 1020.3
06 04:52 NW 17 16.09 A Few Clouds FEW055 8.3 -5.6 37% 6 76.45 1019.3
06 03:52 NW 17 G 31 16.09 A Few Clouds FEW055 10.6 -4.4 35% 76.38 1018.1
06 02:52 NW 19 G 35 16.09 A Few Clouds FEW060 11.1 -0.6 45% 76.33 1017.4
06 01:52 N 20 G 43 14.48 A Few Clouds FEW055 12.8 0.6 44% 76.23 1016.0
06 00:52 NW 20 G 35 16.09 A Few Clouds FEW040 13.3 0.6 21.7 13.3 42% 76.12 1014.8
05 23:52 NW 24 G 44 16.09 Mostly Cloudy FEW075 BKN090 15.6 5.6 52% 75.97 1012.8
05 22:52 NW 41 G 69 11.27 Overcast and Breezy OVC070 20 6.7 42% 75.77 1009.8
05 21:52 Vrbl 11 16.09 Partly Cloudy SCT080 17.8 4.4 41% 75.62 1008.0
05 20:52 SW 13 16.09 Mostly Cloudy BKN085 19.4 3.9 36% 75.59 1007.6
05 19:52 S 17 16.09 Partly Cloudy SCT090 15.6 5 50% 75.62 1008.0
05 18:52 SW 7 16.09 A Few Clouds FEW150 FEW250 17.2 3.9 23.3 16.1 41% 75.62 1008.1
05 17:52 SW 15 16.09 Partly Cloudy FEW140 SCT250 18.3 3.9 39% 75.57 1007.5
05 16:52 SW 19 G 39 16.09 Partly Cloudy FEW140 SCT250 21.7 3.3 30% 75.54 1007.0
05 15:52 SW 28 G 44 16.09 A Few Clouds FEW140 FEW250 22.8 2.2 26% 75.57 1007.2
05 14:52 SW 28 G 52 16.09 Partly Cloudy FEW140 SCT250 22.2 3.3 29% 75.62 1008.1
05 13:52 SW 22 G 41 16.09 Mostly Cloudy BKN250 22.8 2.8 27% 75.72 1009.4
05 12:52 SW 20 G 41 16.09 Mostly Cloudy BKN250 20.6 1.7 21.1 2.8 29% 75.82 1011.0
05 11:52 S 20 G 35 16.09 Mostly Cloudy BKN250 20 1.1 28% 76.02 1013.4
05 09:52 S 17 16.09 A Few Clouds FEW170 13.9 0 39% 76.28 1016.9
05 08:52 S 17 16.09 A Few Clouds FEW170 10.6 -1.7 43% 76.4 1018.6
05 07:52 S 9 16.09 A Few Clouds FEW170 FEW250 7.2 -1.1 56% 6 76.5 1019.8
05 06:52 Calm 16.09 Partly Cloudy SCT170 SCT250 3.9 -2.2 5 0.6 65% 76.56 1020.7
05 05:52 Calm 16.09 Fair CLR 3.9 -2.8 62% 76.61 1021.3
05 04:52 Calm 16.09 Partly Cloudy SCT140 3.3 -1.7 70% 76.63 1021.6
05 03:52 S 6 16.09 Partly Cloudy SCT140 4.4 -1.7 65% 76.66 1022.0
05 02:52 Calm 16.09 Partly Cloudy SCT140 0.6 -2.8 78% 76.68 1022.2
05 01:52 E 6 16.09 A Few Clouds FEW140 2.8 -2.8 67% 76.71 1022.5
05 00:52 Calm 16.09 A Few Clouds FEW140 3.9 -2.8 13.9 2.8 62% 76.73 1023.1
04 23:52 S 6 16.09 Fair CLR 3.3 -2.8 65% 76.78 1023.7
04 22:52 Calm 16.09 Fair CLR 6.7 -4.4 45% 76.81 1024.0
04 21:52 Calm 16.09 A Few Clouds FEW200 6.1 -4.4 47% 76.84 1024.3
04 20:52 S 6 16.09 Partly Cloudy SCT200 8.9 -5 37% 76.84 1024.3
04 19:52 W 13 16.09 Mostly Cloudy FEW120 BKN200 12.8 -6.7 25% 76.81 1023.9
04 18:52 W 9 16.09 Partly Cloudy SCT200 13.9 -6.7 17.8 11.7 24% 76.78 1023.8
04 17:52 W 9 16.09 A Few Clouds FEW060 FEW250 13.9 -6.7 24% 76.76 1023.3
04 15:52 W 15 16.09 Partly Cloudy SCT250 17.8 -5 21% 76.66 1022.0
04 14:52 W 20 16.09 Partly Cloudy SCT250 17.2 -4.4 23% 76.68 1022.1
04 13:52 W 28 G 43 16.09 Mostly Cloudy BKN250 17.2 -5 22% 76.71 1022.7
04 12:52 NW 22 G 37 16.09 Mostly Cloudy FEW150 BKN250 16.7 -3.9 17.2 7.8 24% 76.76 1023.4
04 11:52 NW 20 G 35 16.09 Mostly Cloudy BKN250 15.6 -3.3 27% 76.86 1024.5
04 10:52 W 20 G 37 16.09 Mostly Cloudy BKN250 15.6 -1.7 31% 76.91 1025.2
04 09:52 W 20 G 31 16.09 Mostly Cloudy BKN250 14.4 -0.6 36% 76.91 1025.2
04 08:52 W 15 16.09 Mostly Cloudy BKN250 12.8 -1.1 38% 76.94 1025.5
04 07:52 W 9 16.09 Mostly Cloudy BKN250 10.6 -0.6 46% 76.86 1024.8
04 06:52 SW 11 16.09 A Few Clouds FEW250 7.8 -1.1 11.7 4.4 54% 6 76.78 1023.7
04 05:52 SW 11 16.09 Fair CLR 7.2 -1.1 56% 5 76.71 1022.8
04 04:52 SW 7 16.09 Fair CLR 4.4 -1.1 68% 3 76.68 1022.2
04 03:52 Calm 16.09 Fair CLR 5 -0.6 67% 76.58 1021.0
04 02:52 W 9 16.09 Fair CLR 10 0 50% 9 76.56 1020.5
04 00:52 NW 20 16.09 Fair CLR 11.7 1.7 15 11.7 51% 76.45 1019.2
03 23:52 NW 22 G 41 16.09 Fair CLR 11.7 2.8 55% 76.43 1018.7
03 22:52 NW 20 16.09 Fair CLR 11.7 2.2 52% 76.4 1018.4
03 20:52 NW 30 16.09 Fair CLR 13.3 1.7 46% 76.33 1017.5
03 19:52 NW 33 G 50 16.09 Fair and Breezy CLR 13.9 1.1 42% 76.28 1016.9
03 18:52 NW 19 16.09 Fair CLR 13.9 1.7 20 13.9 44% 76.23 1016.3
Date Time (est) 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)