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.
15 04:52 NW 9 16.09 Overcast OVC041 11.7 5 64% 75.97 1012.7
15 03:52 NW 11 16.09 Overcast BKN041 OVC050 11.7 5.6 66% 75.97 1012.7
15 02:52 NW 6 16.09 Overcast OVC040 11.7 5.6 66% 75.97 1012.6
15 01:52 W 7 16.09 Overcast OVC043 11.1 5.6 13.3 10.6 69% 75.97 1012.8
15 00:52 W 15 16.09 Mostly Cloudy FEW043 BKN070 11.1 5 66% 76.02 1013.4
14 23:52 NW 11 16.09 Overcast OVC047 11.7 5 64% 76.02 1013.4
14 22:52 NW 19 16.09 Overcast SCT040 OVC047 12.2 5 62% 76.02 1013.4
14 21:52 NW 19 G 37 16.09 Overcast OVC042 12.2 4.4 59% 76.02 1013.3
14 20:52 NW 26 G 48 16.09 Overcast OVC044 12.8 4.4 57% 75.95 1012.4
14 19:52 W 24 16.09 Overcast OVC047 13.3 4.4 17.2 13.3 55% 75.9 1011.8
14 18:52 NW 17 16.09 Mostly Cloudy FEW030 BKN060 BKN085 13.9 4.4 53% 75.87 1011.3
14 17:52 NW 28 G 43 16.09 Overcast BKN055 OVC085 14.4 4.4 51% 75.82 1010.8
14 16:52 NW 28 G 46 16.09 Mostly Cloudy BKN055 BKN070 15 4.4 49% 75.82 1010.7
14 15:52 NW 28 G 41 16.09 Mostly Cloudy BKN065 15.6 3.9 46% 75.79 1010.5
14 14:52 NW 22 G 37 16.09 Mostly Cloudy BKN050 BKN080 16.7 4.4 44% 75.82 1010.8
14 13:52 NW 26 G 50 16.09 Mostly Cloudy BKN045 BKN080 14.4 3.9 16.1 11.7 50% 75.84 1011.0
14 12:52 NW 30 G 46 16.09 Mostly Cloudy BKN042 BKN080 13.9 4.4 53% 75.84 1011.1
14 11:52 NW 26 G 46 16.09 Mostly Cloudy BKN047 BKN080 16.1 5.6 50% 75.82 1010.8
14 10:52 NW 22 G 44 16.09 Mostly Cloudy SCT040 BKN080 BKN250 15.6 5.6 52% 75.82 1010.8
14 09:52 NW 28 G 43 16.09 Mostly Cloudy SCT032 BKN080 15 6.1 56% 75.82 1010.9
14 08:52 N 20 G 37 16.09 Partly Cloudy FEW025 SCT050 SCT080 13.3 6.7 65% 75.82 1010.8
14 07:52 NW 17 16.09 Mostly Cloudy SCT050 BKN070 BKN090 11.7 8.9 12.8 11.1 83% 75.79 1010.3 0.1
14 06:52 NW 11 16.09 Mostly Cloudy BKN050 BKN080 BKN110 11.7 9.4 86% 75.74 1009.7
14 05:52 NW 6 16.09 Partly Cloudy FEW085 SCT110 11.1 10.6 97% 75.69 1009.0
14 03:52 N 13 16.09 Overcast SCT060 OVC085 12.8 10.6 87% 75.67 1008.6
14 02:52 NW 9 11.27 Mostly Cloudy FEW070 BKN120 12.2 11.7 97% 75.69 1008.8
14 01:52 W 6 11.27 Mostly Cloudy FEW060 SCT070 BKN110 11.7 11.1 18.3 11.1 96% 75.72 1009.2 1.02
14 00:52 Calm 16.09 A Few Clouds FEW110 12.8 11.7 93% 75.72 1009.2
13 23:52 S 6 16.09 Mostly Cloudy BKN100 BKN120 12.8 12.2 96% 75.74 1009.6
13 22:52 S 7 16.09 Overcast OVC100 13.3 12.2 93% 75.74 1009.7 0.08 1.02
13 21:52 S 6 12.87 Rain FEW022 BKN050 BKN070 OVC140 12.8 11.7 93% 75.74 1009.6 0.74
13 20:52 NW 19 G 33 8.05 Thunderstorm Heavy Rain SCT030 BKN050CB BKN100 BKN150 15 11.1 78% 75.77 1009.9 0.2
13 19:52 SW 11 16.09 Mostly Cloudy FEW035 SCT070 BKN130 BKN160 BKN250 17.8 12.2 23.3 17.8 70% 75.62 1007.9 0.03
13 18:52 S 19 16.09 Mostly Cloudy FEW032 FEW085 SCT140 BKN150 BKN250 18.9 12.8 68% 75.59 1007.8
13 17:52 S 19 G 31 16.09 Mostly Cloudy FEW032 SCT085 BKN120 BKN160 BKN250 17.8 12.2 70% 75.67 1008.6
13 16:52 S 11 16.09 Mostly Cloudy FEW032 SCT085 BKN120 BKN160 18.3 12.8 70% 75.72 1009.2 0.03 0.03
13 15:52 SW 9 16.09 Light Rain FEW065 BKN080 BKN100 OVC150 19.4 11.1 59% 75.79 1010.1
13 14:52 SW 28 G 43 16.09 Mostly Cloudy SCT065CB BKN085 BKN170 BKN250 22.2 8.3 41% 75.82 1010.6
13 13:52 S 26 G 41 16.09 Mostly Cloudy BKN080 BKN170 BKN230 22.8 8.3 25 15 40% 75.84 1011.0
13 12:52 SW 22 G 41 16.09 Mostly Cloudy SCT090 BKN170 BKN250 23.3 7.8 37% 75.92 1012.0
13 11:52 S 30 G 41 16.09 Mostly Cloudy SCT090 BKN170 BKN250 21.7 7.2 39% 75.95 1012.5
13 10:52 S 26 G 41 16.09 Mostly Cloudy BKN090 BKN250 20.6 7.2 42% 76.02 1013.4
13 09:52 S 24 G 35 16.09 Mostly Cloudy BKN090 BKN250 18.9 7.2 47% 76.07 1014.0
13 08:52 S 24 G 37 16.09 Partly Cloudy FEW100 SCT250 16.7 6.1 50% 76.12 1014.6
13 07:52 S 26 G 39 16.09 Partly Cloudy FEW100 SCT250 14.4 5.6 15 13.3 56% 76.15 1014.9
13 06:52 S 15 G 31 16.09 A Few Clouds FEW100 13.3 5 57% 76.17 1015.3
13 05:52 S 20 G 37 16.09 A Few Clouds FEW100 13.3 4.4 55% 76.17 1015.2
13 04:52 S 22 G 44 16.09 A Few Clouds FEW100 13.9 4.4 53% 76.17 1015.4
13 03:52 S 20 G 33 16.09 A Few Clouds FEW100 14.4 5 53% 76.23 1015.9
13 02:52 S 22 G 39 16.09 A Few Clouds FEW100 14.4 5 53% 76.25 1016.3
13 01:52 S 15 G 35 16.09 Fair CLR 15 5.6 20 15 54% 76.3 1016.9
13 00:52 S 17 16.09 A Few Clouds FEW120 15 7.2 60% 76.35 1017.7
12 23:52 S 13 16.09 Fair CLR 15.6 7.8 60% 76.35 1017.9
12 22:52 SE 13 16.09 A Few Clouds FEW100 15 7.8 62% 76.38 1018.2
12 21:52 SE 13 16.09 A Few Clouds FEW100 16.7 7.8 56% 76.4 1018.6
12 20:52 SE 15 16.09 Fair CLR 17.8 7.2 50% 76.4 1018.3
12 19:52 S 11 16.09 A Few Clouds FEW060 FEW250 20 5.6 22.2 18.9 39% 76.38 1018.1
12 18:52 S 15 G 30 16.09 Partly Cloudy FEW050 SCT250 21.1 5.6 37% 76.38 1018.2
12 17:52 S 19 G 30 16.09 Fair CLR 21.7 5 34% 76.4 1018.4
12 16:52 S 13 G 26 16.09 Partly Cloudy SCT250 21.7 5.6 35% 76.43 1018.9
12 15:52 S 13 G 26 16.09 Partly Cloudy SCT250 21.1 5 35% 76.45 1019.2
12 14:52 S 11 G 30 16.09 A Few Clouds FEW250 20.6 5 36% 76.53 1020.2
12 13:52 S 13 16.09 A Few Clouds FEW250 19.4 3.9 19.4 10 36% 76.63 1021.5
12 12:52 Vrbl 6 16.09 A Few Clouds FEW250 17.2 2.2 37% 76.68 1022.4
12 11:52 Vrbl 7 16.09 Fair CLR 16.7 2.2 38% 76.76 1023.3
12 10:52 Calm 16.09 Fair CLR 15 1.1 39% 76.84 1024.2
12 08:52 E 6 16.09 A Few Clouds FEW090 12.2 1.7 49% 76.86 1024.8
12 07:52 NW 6 16.09 A Few Clouds FEW080 10 3.9 10 3.3 66% 76.84 1024.4
12 06:52 Calm 16.09 A Few Clouds FEW080 5 3.9 93% 76.78 1023.8
12 05:52 Calm 16.09 A Few Clouds FEW100 3.3 2.8 97% 76.73 1022.9
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)