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.
01 23:52 E 24 G 33 16.09 Partly Cloudy SCT100 16.7 7.2 54% 76.48 1019.5
01 22:52 E 19 G 30 16.09 Mostly Cloudy BKN100 18.3 8.9 54% 76.43 1018.7
01 21:52 SE 15 16.09 Partly Cloudy FEW100 SCT200 19.4 9.4 53% 76.35 1017.6
01 20:52 NE 11 16.09 Mostly Cloudy SCT100 BKN200 20.6 7.8 44% 76.25 1016.4
01 19:52 E 11 16.09 Mostly Cloudy SCT100 BKN200 22.8 6.7 26.1 22.8 35% 76.23 1016.0
01 18:52 NE 13 16.09 Mostly Cloudy SCT100 BKN200 23.3 6.7 34% 76.2 1015.6
01 17:52 NE 15 16.09 Mostly Cloudy SCT100 BKN250 24.4 6.1 31% 25 76.17 1015.5
01 16:52 NE 17 16.09 Mostly Cloudy BKN095 BKN250 24.4 4.4 27% 25 76.15 1015.2
01 15:52 E 13 16.09 Mostly Cloudy FEW080 BKN250 25.6 6.1 29% 26 76.15 1015.0
01 14:52 NE 17 G 26 16.09 Mostly Cloudy FEW075 BKN250 25.6 6.7 30% 26 76.15 1014.9
01 13:52 E 15 16.09 Mostly Cloudy FEW070 BKN250 25.6 7.2 25.6 17.2 31% 26 76.1 1014.4
01 12:52 NE 15 16.09 Mostly Cloudy FEW060 BKN250 24.4 6.7 32% 25 76.12 1014.8
01 11:52 N 15 G 30 16.09 Mostly Cloudy FEW060 BKN250 23.9 7.2 34% 25 76.12 1014.8
01 10:52 N 15 16.09 Mostly Cloudy BKN250 23.3 7.2 36% 76.1 1014.4
01 09:52 N 15 16.09 Mostly Cloudy BKN250 22.2 7.8 40% 76.1 1014.4
01 08:52 N 13 16.09 Mostly Cloudy BKN250 20.6 8.3 45% 76.07 1014.1
01 07:52 NW 9 16.09 Mostly Cloudy FEW180 BKN250 17.2 9.4 17.2 11.1 60% 76.05 1013.6
01 06:52 NW 9 16.09 Mostly Cloudy SCT100 SCT180 BKN250 13.9 9.4 74% 76 1013.1
01 05:52 W 7 16.09 A Few Clouds FEW100 FEW250 12.2 10 87% 75.95 1012.4
01 04:52 W 6 16.09 A Few Clouds FEW080 13.3 10.6 84% 75.95 1012.2
01 03:52 Calm 16.09 A Few Clouds FEW060 FEW080 13.3 10.6 84% 75.92 1012.1
01 02:52 Calm 16.09 A Few Clouds FEW060 16.1 11.1 72% 75.97 1012.7
01 01:52 Calm 16.09 Partly Cloudy FEW060 SCT080 15 11.1 21.7 15 78% 76.02 1013.2
01 00:52 S 11 16.09 A Few Clouds FEW085 17.2 10 63% 76.02 1013.3
31 23:52 S 9 16.09 Fair CLR 17.8 9.4 58% 76.05 1013.7
31 22:52 SE 9 16.09 Partly Cloudy SCT250 17.8 8.3 54% 76.07 1014.0
31 21:52 SE 9 16.09 Partly Cloudy SCT250 18.3 7.8 51% 76.07 1014.0
31 20:52 S 6 16.09 Partly Cloudy SCT250 18.9 7.8 49% 76.05 1013.8
31 19:52 S 6 16.09 Partly Cloudy SCT250 21.7 7.2 25 21.7 39% 76.05 1013.6
31 18:52 S 9 16.09 A Few Clouds FEW250 23.3 5.6 32% 76.02 1013.4
31 17:52 Vrbl 11 16.09 A Few Clouds FEW250 24.4 4.4 27% 25 76.07 1014.2
31 16:52 W 9 16.09 A Few Clouds FEW250 24.4 3.3 25% 25 76.12 1014.6
31 15:52 N 7 16.09 A Few Clouds FEW250 23.9 5.6 31% 25 76.2 1015.7
31 14:52 Vrbl 11 16.09 A Few Clouds FEW050 FEW250 23.3 4.4 29% 76.28 1016.8
31 13:52 Vrbl 9 16.09 A Few Clouds FEW070 FEW250 22.8 5 22.8 14.4 32% 76.35 1017.7
31 12:52 Vrbl 9 16.09 A Few Clouds FEW250 21.7 5 34% 76.43 1018.8
31 11:52 Calm 16.09 A Few Clouds FEW250 20.6 3.9 33% 76.5 1019.7
31 10:52 Calm 16.09 A Few Clouds FEW250 20 5 38% 76.53 1020.1
31 09:52 Vrbl 7 16.09 A Few Clouds FEW250 18.3 5 42% 76.56 1020.6
31 08:52 N 9 16.09 A Few Clouds FEW250 17.2 4.4 43% 76.58 1020.8
31 07:52 W 9 16.09 A Few Clouds FEW250 14.4 6.7 14.4 7.2 60% 76.56 1020.6
31 06:52 Calm 16.09 A Few Clouds FEW250 11.7 6.7 72% 76.58 1020.7
31 05:52 NW 6 16.09 Fair CLR 7.8 6.1 89% 76.53 1020.3
31 04:52 W 9 16.09 A Few Clouds FEW250 10 6.7 80% 9 76.53 1020.2
31 03:52 W 9 16.09 A Few Clouds FEW250 11.1 6.7 75% 76.56 1020.3
31 02:52 Calm 16.09 A Few Clouds FEW250 10.6 7.2 80% 76.53 1020.3
31 01:52 NW 9 16.09 A Few Clouds FEW250 13.3 7.2 19.4 11.7 67% 76.56 1020.3
31 00:52 NW 9 16.09 A Few Clouds FEW250 12.8 7.2 69% 76.53 1020.2
30 23:52 NE 11 16.09 Fair CLR 15 6.7 58% 76.53 1019.9
30 22:52 NE 13 16.09 A Few Clouds FEW050 15 6.7 58% 76.5 1019.8
30 21:52 E 6 16.09 A Few Clouds FEW050 15.6 6.7 56% 76.48 1019.3
30 20:52 NE 13 16.09 A Few Clouds FEW050 FEW250 17.2 6.1 48% 76.4 1018.2
30 19:52 NE 19 16.09 A Few Clouds FEW065 FEW250 19.4 6.7 22.8 19.4 44% 76.33 1017.2
30 18:52 NE 22 G 31 16.09 A Few Clouds FEW065 FEW250 21.1 6.7 39% 76.25 1016.4
30 17:52 NE 26 G 37 16.09 A Few Clouds FEW065 FEW250 22.2 6.7 37% 76.2 1015.7
30 16:52 N 17 G 37 16.09 A Few Clouds FEW065 FEW250 22.2 6.7 37% 76.17 1015.2
30 15:52 NW 20 G 39 16.09 A Few Clouds FEW065 FEW250 22.8 7.2 37% 76.15 1015.0
30 14:52 N 26 G 37 16.09 A Few Clouds FEW080 FEW250 22.2 6.7 37% 76.15 1015.1
30 13:52 NW 22 G 39 16.09 A Few Clouds FEW250 21.1 5.6 21.7 20 37% 76.15 1015.1
30 12:52 N 28 G 37 16.09 A Few Clouds FEW250 21.1 5 35% 76.15 1015.0
30 11:52 N 24 16.09 A Few Clouds FEW250 20.6 3.3 32% 76.12 1014.6
30 10:52 N 24 16.09 A Few Clouds FEW250 20.6 5 36% 76.07 1013.9
30 09:52 N 26 G 37 16.09 A Few Clouds FEW250 20.6 6.7 41% 76.02 1013.3
30 08:52 N 20 16.09 A Few Clouds FEW250 20.6 6.7 41% 75.97 1012.6
30 07:52 N 22 G 35 16.09 Fair CLR 20.6 7.8 21.1 13.3 44% 75.9 1011.6
30 06:52 N 9 16.09 A Few Clouds FEW250 20 9.4 51% 75.84 1010.9
30 05:52 Calm 16.09 A Few Clouds FEW250 17.2 8.9 58% 75.77 1009.8
30 04:52 W 7 16.09 A Few Clouds FEW250 18.9 8.3 50% 75.72 1009.3
30 03:52 W 6 16.09 A Few Clouds FEW250 14.4 10 75% 75.72 1009.2
30 02:52 Calm 16.09 A Few Clouds FEW250 13.3 10.6 84% 75.72 1009.3
30 01:52 Calm 16.09 Fair CLR 16.1 11.1 23.9 15 72% 75.77 1009.8
30 00:52 Calm 16.09 Fair CLR 15.6 12.2 80% 75.79 1010.2
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)