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.
20 10:52 NW 17 16.09 Overcast SCT036 OVC048 6.1 2.2 76% 3 76.84 1024.3
20 09:52 NW 22 G 33 16.09 Mostly Cloudy FEW040 SCT055 BKN090 11.1 -0.6 45% 76.68 1022.4
20 08:52 NW 19 16.09 A Few Clouds FEW065 FEW090 9.4 1.1 56% 7 76.68 1022.4
20 07:52 NW 24 G 37 16.09 Light Rain BKN042 BKN065 8.3 1.7 8.9 3.9 63% 5 76.66 1021.9
20 06:52 W 13 16.09 Mostly Cloudy SCT080 BKN095 8.3 1.1 61% 6 76.61 1021.3
20 05:52 Calm 16.09 Overcast BKN080 OVC095 7.8 1.1 63% 76.56 1020.6
20 04:52 W 17 16.09 Overcast OVC085 7.8 1.1 63% 5 76.56 1020.5
20 03:52 Calm 16.09 Overcast FEW070 OVC085 5.6 2.8 82% 76.56 1020.7
20 02:52 SE 6 16.09 Overcast FEW070 BKN090 OVC100 4.4 1.7 83% 76.53 1020.3
20 01:52 Calm 16.09 Overcast OVC090 5 1.7 12.2 2.8 79% 76.56 1020.5
20 00:52 Calm 16.09 Mostly Cloudy BKN100 3.9 0.6 79% 76.56 1020.7
19 23:52 Calm 16.09 Fair CLR 3.3 -0.6 76% 76.56 1020.6
19 22:52 Calm 16.09 Fair CLR 3.9 -1.1 70% 76.53 1020.3
19 21:52 W 6 16.09 Fair CLR 7.2 -3.3 48% 76.5 1019.9
19 20:52 NW 7 16.09 A Few Clouds FEW250 10 -5 35% 9 76.43 1019.0
19 19:52 NW 20 16.09 A Few Clouds FEW090 FEW250 12.2 -6.7 15.6 12.2 26% 76.35 1018.0
19 18:52 NW 26 G 56 16.09 A Few Clouds FEW090 FEW250 13.9 -6.1 25% 76.3 1017.2
19 17:52 NW 33 G 48 16.09 Partly Cloudy and Breezy FEW090 SCT250 15 -6.1 23% 76.23 1016.2
19 16:52 NW 31 G 54 16.09 Partly Cloudy SCT080 SCT250 15 -4.4 26% 76.17 1015.3
19 15:52 W 31 G 50 16.09 Mostly Cloudy SCT065 BKN250 15 -0.6 35% 76.15 1015.2
19 14:52 NW 43 G 56 16.09 Mostly Cloudy and Windy SCT055 BKN250 13.9 0.6 41% 76.15 1015.3
19 13:52 NW 20 16.09 Mostly Cloudy FEW025 BKN034 BKN120 BKN250 12.8 6.1 12.8 8.3 64% 76.17 1015.5 0.51
19 12:52 NW 22 G 44 16.09 Light Rain FEW017 SCT022 BKN047 8.9 6.7 86% 6 76.23 1016.0 0.05
19 11:52 NW 13 16.09 Overcast FEW014 BKN047 BKN075 OVC130 10 7.2 83% 8 76.17 1015.4 0.03
19 10:52 NW 13 16.09 Light Rain FEW017 BKN060 OVC070 9.4 7.2 86% 8 76.17 1015.6 0.1 0.43
19 09:52 NW 19 9.66 Light Rain Fog/Mist SCT017 OVC060 9.4 7.8 90% 7 76.1 1014.5 0.2
19 08:52 NW 20 G 31 11.27 Light Rain FEW019 SCT026 OVC055 9.4 7.8 90% 7 76.07 1014.1 0.13
19 07:52 NW 28 G 48 16.09 Light Rain FEW014 OVC050 10.6 6.7 18.9 10.6 77% 76.02 1013.2
19 06:52 N 31 G 50 16.09 Overcast FEW014 SCT019 OVC046 11.1 8.3 83% 75.87 1011.4
19 05:52 NW 35 G 52 16.09 Light Rain and Breezy SCT015 BKN023 OVC029 13.3 11.7 90% 75.77 1010.0
19 04:52 Calm 16.09 Mostly Cloudy BKN018 BKN060 BKN170 16.7 13.9 84% 75.62 1007.7
19 03:52 Calm 16.09 Mostly Cloudy FEW040 SCT120 BKN170 16.7 13.9 84% 75.62 1007.7
19 02:52 NE 9 16.09 Mostly Cloudy FEW090 BKN180 17.2 14.4 84% 75.64 1008.0
19 01:52 NE 13 16.09 Overcast FEW085 BKN110 OVC200 18.9 15 23.3 17.8 78% 75.67 1008.6
19 00:52 Calm 16.09 Overcast FEW055 BKN070 OVC110 18.9 15 78% 75.72 1009.3
18 23:52 SE 11 16.09 Light Rain BKN085 OVC110 19.4 14.4 73% 75.77 1009.8
18 22:52 S 7 16.09 Mostly Cloudy FEW110 BKN180 BKN220 19.4 13.9 71% 75.69 1008.8
18 21:52 SE 9 16.09 Mostly Cloudy BKN170 BKN220 20.6 13.9 66% 75.72 1009.2
18 20:52 SE 19 16.09 Mostly Cloudy BKN170 BKN220 21.7 13.9 61% 75.69 1008.9
18 19:52 SE 24 G 37 16.09 Mostly Cloudy SCT220 BKN250 23.3 14.4 28.9 23.3 57% 75.64 1008.3
18 18:52 SE 24 G 44 16.09 Mostly Cloudy FEW140 SCT220 BKN260 25 15 54% 26 75.69 1008.8
18 17:52 SE 24 G 41 16.09 Partly Cloudy FEW055 FEW140 SCT220 SCT260 26.7 15 49% 27 75.72 1009.4
18 16:52 E 26 G 43 16.09 Mostly Cloudy FEW055 FEW140 SCT220 BKN260 27.2 15.6 49% 28 75.74 1009.4
18 15:52 SE 17 G 37 16.09 Mostly Cloudy FEW055 SCT140 BKN240 27.8 13.9 43% 28 75.82 1010.5
18 14:52 S 19 G 37 16.09 Mostly Cloudy FEW055 SCT140 BKN240 28.3 12.8 38% 28 75.9 1011.8
18 13:52 SE 24 16.09 Mostly Cloudy FEW055 FEW140 SCT210 BKN250 27.8 12.8 27.8 16.1 40% 27 75.95 1012.3
18 12:52 SE 15 G 33 16.09 Mostly Cloudy FEW050 FEW160 BKN250 26.7 12.8 42% 27 76.02 1013.2
18 11:52 SE 13 16.09 Mostly Cloudy BKN250 26.7 13.3 44% 27 76.1 1014.2
18 10:52 SE 15 16.09 Partly Cloudy SCT250 24.4 13.3 50% 26 76.12 1014.7
18 09:52 E 13 16.09 Partly Cloudy SCT250 22.2 13.9 59% 76.12 1014.8
18 07:52 W 7 16.09 Mostly Cloudy FEW090 BKN250 16.1 12.8 16.1 10.6 81% 76.2 1015.6
18 06:52 Calm 16.09 Mostly Cloudy FEW180 BKN250 11.1 10.6 97% 76.15 1015.0
18 05:52 Calm 16.09 Partly Cloudy SCT250 11.7 10.6 93% 76.12 1014.7
18 04:52 Calm 16.09 Partly Cloudy SCT250 11.7 10.6 93% 76.12 1014.7
18 03:52 Vrbl 6 16.09 Mostly Cloudy BKN250 12.8 11.1 90% 76.15 1015.0
18 02:52 Calm 16.09 A Few Clouds FEW250 13.3 11.1 87% 76.15 1015.1
18 01:52 Calm 16.09 A Few Clouds FEW250 14.4 11.1 23.9 13.3 81% 76.2 1015.5
18 00:52 NW 6 16.09 A Few Clouds FEW250 13.3 11.1 87% 76.15 1015.0
17 23:52 S 6 16.09 A Few Clouds FEW250 15.6 11.1 75% 76.12 1014.6
17 22:52 Calm 16.09 A Few Clouds FEW250 16.1 11.1 72% 76.12 1014.6
17 21:52 E 6 16.09 A Few Clouds FEW250 17.8 11.1 65% 76.07 1014.1
17 20:52 E 6 16.09 A Few Clouds FEW250 20 10.6 55% 76.07 1013.9
17 19:52 NE 13 16.09 A Few Clouds FEW060 FEW250 23.9 10 26.7 23.9 42% 25 76.05 1013.6
17 18:52 N 15 16.09 A Few Clouds FEW060 FEW250 25.6 10 37% 26 76.05 1013.6
17 17:52 N 15 16.09 A Few Clouds FEW060 FEW250 26.1 11.7 41% 26 76.02 1013.3
17 16:52 NW 20 G 41 16.09 A Few Clouds FEW060 26.7 11.1 38% 27 76 1013.0
17 15:52 N 15 G 30 16.09 Partly Cloudy SCT060 26.7 11.7 39% 27 76.02 1013.2
17 14:52 N 22 G 37 16.09 Partly Cloudy SCT060 26.7 11.1 38% 27 76.02 1013.3
17 13:52 N 24 G 37 16.09 Mostly Cloudy BKN060 26.7 10.6 26.7 20.6 37% 26 76.05 1013.5
17 12:52 N 19 G 33 14.48 Mostly Cloudy BKN070 BKN250 25.6 10.6 39% 26 76.05 1013.6
17 11:52 NW 17 16.09 Mostly Cloudy SCT060 BKN250 25 11.1 42% 26 76.07 1013.9
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)