Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
03 17:52 Calm 10.00 Fair CLR 36 26.1 67% 30.09 1019.2
03 16:52 Calm 10.00 A Few Clouds FEW250 36 26.1 67% 30.08 1018.7
03 15:52 NW 5 10.00 Fair CLR 43 25 49% 41 30.07 1018.5
03 14:52 Calm 10.00 A Few Clouds FEW060 43 24.1 47% 30.08 1018.7
03 13:52 W 9 10.00 A Few Clouds FEW039 FEW250 42.1 24.1 49% 37 30.07 1018.5
03 12:52 N 5 10.00 A Few Clouds FEW035 FEW250 42.1 25 43 30 51% 40 30.09 1019.1
03 11:52 NW 7 10.00 A Few Clouds FEW035 FEW250 42.1 25 51% 38 30.11 1019.8
03 10:52 NW 10 10.00 A Few Clouds FEW035 FEW250 41 24.1 51% 35 30.14 1020.8
03 09:52 NW 10 10.00 A Few Clouds FEW032 FEW250 39 24.1 55% 33 30.13 1020.3
03 08:52 NW 9 10.00 Partly Cloudy FEW032 SCT250 36 21.9 57% 30 30.12 1020.1
03 07:52 NW 3 10.00 Mostly Cloudy FEW032 BKN250 32 21.9 66% 30.1 1019.6
03 06:52 NW 7 10.00 A Few Clouds FEW032 FEW250 32 21 35.1 30.9 64% 26 30.07 1018.4
03 05:52 N 6 G 17 10.00 Fair CLR 32 19.9 61% 27 30.04 1017.3
03 04:52 NW 10 10.00 Fair CLR 33.1 21 61% 26 30.01 1016.2
03 03:52 NW 9 10.00 A Few Clouds FEW040 33.1 21 61% 26 30.02 1016.9
03 02:52 NW 8 10.00 Fair CLR 33.1 21.9 64% 27 30.01 1016.5
03 01:52 NW 8 10.00 Fair CLR 33.1 23 66% 27 30 1015.9
03 00:52 N 7 10.00 Overcast OVC034 35.1 25 39.9 35.1 67% 30 29.97 1015.1
02 23:52 NW 15 10.00 Overcast OVC034 36 26.1 67% 27 29.94 1013.9
02 22:52 NW 15 G 26 10.00 Overcast OVC033 37 27 67% 29 29.93 1013.8
02 21:52 NW 22 G 32 10.00 Overcast and Breezy OVC032 37 27 67% 27 29.9 1012.8
02 20:52 NW 13 G 22 10.00 Mostly Cloudy BKN031 37.9 27 65% 31 29.88 1012.0
02 19:52 NW 20 G 26 10.00 Overcast OVC027 39.9 30 68% 31 29.84 1010.6
02 18:52 NW 10 10.00 Overcast FEW024 OVC035 39 33.1 39.9 37 79% 33 29.81 1009.5
02 17:52 N 10 10.00 Mostly Cloudy BKN033 BKN090 39 33.1 79% 33 29.79 1008.8
02 16:52 NW 14 10.00 Mostly Cloudy FEW012 BKN090 37.9 33.1 83% 30 29.76 1007.9
02 15:52 NW 14 G 20 10.00 Mostly Cloudy FEW012 BKN045 BKN110 39.9 35.1 83% 33 29.74 1007.1
02 14:52 NW 9 10.00 Overcast SCT010 BKN042 OVC120 39.9 37 89% 34 29.72 1006.6
02 13:52 N 10 10.00 Mostly Cloudy BKN007 BKN042 BKN095 BKN130 BKN250 39 36 89% 33 29.73 1006.7
02 12:52 NW 6 7.00 Light Rain BKN005 OVC060 37 36 37 33.1 96% 33 29.75 1007.5 0.04 0.54
02 11:52 NE 3 4.00 Light Rain Fog/Mist FEW006 BKN024 OVC041 37 35.1 93% 29.78 1008.6 0.09
02 10:52 N 7 2.50 Light Rain Fog/Mist SCT005 BKN027 OVC033 35.1 34 96% 30 29.86 1011.2 0.09
02 09:52 N 7 2.00 Rain Fog/Mist BKN005 BKN013 OVC020 34 33.1 97% 29 29.91 1013.3 0.15 0.32
02 08:52 Calm 2.50 Rain Fog/Mist FEW005 BKN007 OVC013 34 33.1 97% 29.91 1013.3 0.1
02 07:52 SW 5 4.00 Light Rain Fog/Mist SCT010 BKN017 OVC050 34 33.1 97% 30 29.94 1014.1 0.07
02 06:52 S 5 6.00 Light Rain Fog/Mist BKN015 BKN020 OVC060 33.1 30.9 37 33.1 92% 29 29.96 1014.7 0.08 0.19
02 05:52 SW 5 7.00 Rain OVC021 33.1 30.9 92% 29 30 1016.3 0.1
02 04:52 S 3 7.00 Rain OVC027 36 28 73% 30.02 1016.8 0.01
02 03:52 S 7 10.00 Overcast BKN033 OVC110 36 25 64% 31 30.06 1018.3
02 02:52 S 5 10.00 Overcast OVC140 36 25 64% 33 30.09 1019.0
02 01:52 S 7 10.00 Overcast OVC140 36 24.1 62% 31 30.12 1020.2
02 00:52 S 6 10.00 Overcast OVC140 36 25 37 25 64% 32 30.17 1021.9
01 23:52 SE 6 10.00 Overcast OVC120 35.1 25 67% 31 30.2 1022.7
01 22:52 SE 7 10.00 Partly Cloudy FEW100 SCT220 34 25 70% 29 30.23 1023.9
01 21:52 Calm 10.00 Mostly Cloudy FEW100 BKN220 28.9 21.9 75% 30.25 1024.6
01 20:52 SE 6 10.00 A Few Clouds FEW250 30.9 21 67% 26 30.26 1025.0
01 19:52 Calm 10.00 A Few Clouds FEW250 28 19.9 72% 30.28 1025.7
01 18:52 Calm 10.00 A Few Clouds FEW250 32 19.9 44.1 28.9 61% 30.28 1025.7
01 17:52 Calm 10.00 Partly Cloudy SCT250 32 21 64% 30.3 1026.3
01 16:52 Calm 10.00 Mostly Cloudy BKN250 37.9 19.9 48% 30.31 1026.6
01 15:52 Vrbl 6 10.00 Mostly Cloudy BKN250 42.1 19 40% 39 30.3 1026.4
01 14:52 N 6 10.00 Mostly Cloudy BKN250 44.1 19.9 38% 41 30.32 1026.9
01 13:52 N 8 10.00 Mostly Cloudy BKN250 44.1 19.9 38% 40 30.32 1027.1
01 12:52 N 10 G 18 10.00 Mostly Cloudy FEW045 BKN250 43 19.9 43 33.1 40% 38 30.34 1027.7
01 11:52 NW 10 10.00 A Few Clouds FEW045 FEW250 42.1 19.9 41% 37 30.38 1029.0
01 10:52 NW 15 G 21 10.00 A Few Clouds FEW045 FEW250 41 21 45% 34 30.42 1030.1
01 09:52 N 15 G 23 10.00 Partly Cloudy FEW045 SCT250 39.9 21 47% 32 30.43 1030.6
01 08:52 NW 17 G 23 10.00 Mostly Cloudy FEW045 BKN250 37.9 21 51% 29 30.42 1030.5
01 07:52 NW 12 10.00 Partly Cloudy FEW044 SCT250 35.1 21 57% 28 30.42 1030.2
01 06:52 NW 6 10.00 Partly Cloudy SCT043 34 19.9 37 32 56% 29 30.4 1029.7
01 05:52 N 6 10.00 Partly Cloudy SCT044 34 19.9 56% 29 30.38 1029.0
01 04:52 NW 7 10.00 Mostly Cloudy BKN047 32 19.9 61% 26 30.36 1028.4
01 03:52 NW 13 10.00 Partly Cloudy SCT046 34 19.9 56% 26 30.35 1027.9
01 02:52 NW 14 10.00 Mostly Cloudy BKN046 36 21 55% 28 30.34 1027.5
01 01:52 NW 9 10.00 Mostly Cloudy SCT050 BKN200 36 21.9 57% 30 30.32 1026.8
01 00:52 NW 9 10.00 Overcast FEW060 SCT120 OVC200 36 21.9 41 36 57% 30 30.29 1026.0
30 23:52 NW 20 G 31 10.00 Overcast FEW060 SCT120 OVC200 39 23 53% 30 30.26 1024.8
30 22:52 NW 22 G 29 10.00 Overcast and Breezy SCT060 BKN120 OVC200 41 25 53% 32 30.22 1023.4
30 21:52 W 3 10.00 Overcast BKN060 BKN120 OVC200 37.9 36 93% 30.19 1022.5
30 20:52 Calm 10.00 Overcast FEW011 BKN044 OVC100 37.9 36 93% 30.16 1021.4
30 19:52 SW 3 10.00 Overcast SCT009 BKN040 OVC100 39 37 93% 30.15 1021.0
30 18:52 W 8 10.00 Overcast OVC008 39.9 37 39.9 37 89% 35 30.14 1020.9
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)