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.
26 19:52 S 26 G 39 16.09 Mostly Cloudy FEW120 BKN200 23.9 11.1 26.7 23.9 45% 25 75.51 1006.6
26 18:52 S 26 G 35 16.09 Mostly Cloudy FEW110 BKN200 25 11.1 42% 26 75.59 1007.7
26 17:52 SW 31 G 52 16.09 Mostly Cloudy SCT110 BKN200 26.1 11.7 41% 26 75.67 1008.5
26 16:52 SW 24 G 41 16.09 Mostly Cloudy BKN100 26.1 11.1 39% 26 75.74 1009.5
26 15:52 SW 28 G 48 16.09 Mostly Cloudy FEW110 SCT150 BKN250 26.7 10.6 37% 26 75.79 1010.1
26 14:52 S 30 G 43 16.09 Partly Cloudy FEW180 SCT250 26.1 9.4 35% 26 75.87 1011.3
26 13:52 S 15 G 33 16.09 Partly Cloudy FEW180 SCT250 25 8.3 25 11.7 35% 26 76.02 1013.2
26 12:52 S 22 G 37 16.09 Mostly Cloudy BKN180 BKN250 23.3 7.8 37% 76.07 1014.0
26 11:52 SW 20 16.09 Mostly Cloudy BKN180 BKN250 22.2 6.1 35% 76.12 1014.8
26 10:52 S 19 16.09 Mostly Cloudy BKN180 BKN250 18.9 4.4 39% 76.2 1015.6
26 09:52 S 19 G 35 16.09 Mostly Cloudy SCT160 BKN240 15.6 3.3 44% 76.23 1016.3
26 08:52 S 19 16.09 Mostly Cloudy SCT170 BKN250 13.3 2.2 47% 76.28 1016.7
26 07:52 S 20 16.09 Mostly Cloudy SCT100 BKN250 11.7 1.7 12.2 10.6 51% 76.28 1016.8
26 06:52 S 17 16.09 Partly Cloudy FEW100 SCT250 10.6 1.1 52% 76.28 1016.7
26 05:52 S 20 16.09 Partly Cloudy FEW100 SCT250 11.1 1.1 50% 76.25 1016.3
26 04:52 S 15 16.09 Partly Cloudy SCT100 10.6 1.7 54% 76.25 1016.4
26 03:52 S 22 16.09 Mostly Cloudy BKN100 11.7 1.7 51% 76.23 1016.2
26 02:52 S 19 16.09 Overcast OVC100 11.7 1.7 51% 76.3 1017.0
26 01:52 S 15 16.09 Overcast OVC100 11.1 1.7 12.8 10.6 53% 76.38 1018.0
26 00:52 S 11 16.09 Partly Cloudy FEW100 SCT160 11.1 1.7 53% 76.4 1018.7
25 23:52 S 13 16.09 Overcast OVC160 12.2 1.7 49% 76.45 1019.3
25 22:52 S 15 16.09 Overcast OVC160 12.2 2.2 51% 76.45 1019.3
25 21:52 SE 15 16.09 Overcast OVC150 12.2 2.2 51% 76.5 1019.9
25 20:52 SE 15 16.09 Overcast OVC150 12.8 1.1 45% 76.56 1020.8
25 19:52 SE 11 16.09 Mostly Cloudy BKN140 BKN160 BKN250 12.8 -1.7 15.6 12.8 37% 76.56 1020.8
25 18:52 S 17 G 31 16.09 Mostly Cloudy SCT130 BKN160 BKN250 15 -7.2 21% 76.58 1021.0
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
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)