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 22:52 S 6 16.09 Mostly Cloudy BKN250 20.6 15 70% 76.53 1020.0
26 21:52 S 7 16.09 Mostly Cloudy BKN250 23.3 14.4 57% 76.5 1019.8
26 20:52 Vrbl 6 16.09 Mostly Cloudy SCT060 BKN160 BKN250 24.4 13.3 50% 26 76.48 1019.2
26 19:52 E 9 16.09 Mostly Cloudy SCT060 BKN200 BKN250 26.1 13.9 29.4 26.1 47% 27 76.45 1019.0
26 18:52 E 9 16.09 Mostly Cloudy SCT065 BKN200 BKN250 27.2 13.9 44% 27 76.43 1018.7
26 17:52 Vrbl 9 16.09 Mostly Cloudy SCT065 BKN250 27.8 13.3 41% 28 76.43 1018.5
26 16:52 Calm 16.09 Mostly Cloudy FEW060 SCT080 BKN250 28.3 13.3 40% 28 76.45 1019.0
26 15:52 SE 13 16.09 Mostly Cloudy FEW060 FEW100 SCT190 BKN250 28.3 12.8 38% 28 76.48 1019.1
26 14:52 Vrbl 9 16.09 Mostly Cloudy FEW080 FEW120 SCT200 BKN250 28.9 13.3 38% 28 76.53 1019.8
26 13:52 NE 15 16.09 Mostly Cloudy FEW070 FEW120 SCT200 BKN250 27.8 11.7 28.3 21.7 37% 27 76.58 1020.5
26 12:52 NE 17 16.09 Mostly Cloudy BKN065 BKN100 BKN250 27.2 10.6 35% 27 76.61 1021.1
26 11:52 Vrbl 9 16.09 Mostly Cloudy SCT055 SCT090 BKN180 BKN250 26.7 11.7 39% 27 76.63 1021.5
26 10:52 NE 17 16.09 Mostly Cloudy SCT045 BKN075 BKN220 25.6 12.8 45% 26 76.66 1021.8
26 09:52 NE 15 16.09 Mostly Cloudy BKN046 BKN070 23.9 12.8 50% 25 76.68 1021.9
26 08:52 NE 19 16.09 Mostly Cloudy BKN045 BKN080 BKN130 23.3 13.9 56% 76.66 1021.8
26 07:52 NE 15 16.09 Mostly Cloudy BKN038 BKN075 BKN120 22.2 15 23.3 21.7 64% 76.61 1021.1
26 06:52 NE 13 16.09 Mostly Cloudy SCT035 BKN075 BKN110 21.7 13.9 61% 76.56 1020.3
26 05:52 NE 11 16.09 Mostly Cloudy SCT034 BKN075 BKN100 21.7 15 66% 76.53 1020.0
26 04:52 N 15 16.09 Overcast OVC070 22.8 17.8 74% 76.48 1019.2
26 03:52 N 17 16.09 Mostly Cloudy SCT070 BKN085 23.3 19.4 79% 76.45 1018.9
26 02:52 NW 6 16.09 Mostly Cloudy BKN075 22.8 20 84% 76.45 1018.9
26 01:52 N 11 16.09 Overcast SCT010 OVC070 23.3 20.6 25.6 21.7 85% 76.45 1018.9
26 00:52 N 6 16.09 Overcast BKN067 OVC075 23.3 21.1 88% 76.45 1019.0
25 23:52 SW 7 11.27 Partly Cloudy SCT250 22.2 21.1 94% 76.45 1019.0
25 22:52 Calm 12.87 Partly Cloudy SCT250 23.3 21.7 91% 76.48 1019.3
25 21:52 S 7 16.09 Mostly Cloudy BKN120 23.9 21.7 88% 24 76.48 1019.4
25 20:52 S 7 16.09 Mostly Cloudy FEW037 SCT090 BKN200 24.4 22.2 88% 25 76.43 1018.6
25 19:52 S 7 11.27 Light Rain FEW033 SCT070 OVC110 25.6 22.8 30 25.6 85% 27 76.38 1018.0
25 18:52 SE 13 16.09 Mostly Cloudy FEW043 BKN065 BKN140 27.8 19.4 60% 29 76.35 1017.7
25 17:52 Calm 16.09 Mostly Cloudy SCT040 BKN090 BKN140 28.3 19.4 59% 30 76.33 1017.3
25 16:52 Vrbl 6 16.09 Overcast FEW038 BKN090 OVC140 28.3 19.4 59% 30 76.35 1017.5
25 15:52 W 9 16.09 Overcast SCT033CB OVC100 28.9 19.4 57% 30 76.35 1017.5
25 14:52 NW 11 16.09 Overcast FEW033 OVC120 28.3 19.4 59% 30 76.38 1018.0
25 13:52 NW 11 16.09 Overcast SCT044 BKN100 OVC200 29.4 18.9 30.6 23.9 53% 31 76.45 1018.8
25 12:52 Vrbl 9 16.09 Overcast FEW045 BKN120 OVC220 29.4 18.9 53% 31 76.45 1019.0
25 11:52 NW 15 16.09 Overcast FEW045 BKN110 OVC200 29.4 19.4 55% 31 76.5 1019.6
25 10:52 NW 9 16.09 Overcast FEW048 BKN130 OVC220 27.8 19.4 60% 29 76.53 1019.9
25 09:52 W 7 16.09 Overcast FEW048 BKN140 OVC200 27.2 20.6 67% 29 76.5 1019.7
25 08:52 NW 6 16.09 Overcast FEW048 SCT070 OVC140 25.6 21.7 79% 27 76.5 1019.5
25 07:52 W 6 16.09 Overcast SCT048 BKN065 OVC085 23.9 22.2 23.9 22.2 90% 23 76.48 1019.4
25 06:52 S 9 16.09 Overcast FEW090 OVC130 23.3 22.2 94% 76.43 1018.8
25 05:52 S 7 16.09 Overcast SCT110 BKN120 OVC140 23.3 22.2 94% 76.45 1018.9
25 03:52 S 6 16.09 Light Rain SCT100 OVC120 23.3 22.8 97% 76.43 1018.7
25 02:52 Calm 12.87 Overcast OVC150 22.8 21.7 94% 76.45 1018.8
25 01:52 Calm 11.27 Overcast OVC200 22.2 21.7 25 22.2 97% 76.45 1018.8
25 00:52 S 7 16.09 Overcast OVC230 22.8 22.2 96% 76.45 1018.9
24 23:52 Calm 16.09 Mostly Cloudy SCT095 BKN240 22.8 21.7 94% 76.45 1018.9
24 22:52 Calm 16.09 A Few Clouds FEW095 23.3 22.2 94% 76.48 1019.5
24 21:52 Calm 16.09 Mostly Cloudy SCT085 BKN150 23.3 22.2 94% 76.48 1019.4
24 20:52 Calm 16.09 Mostly Cloudy SCT080 BKN140 24.4 22.8 91% 24 76.45 1019.0
24 19:52 S 7 16.09 Mostly Cloudy FEW044 BKN080 BKN140 25 23.3 31.7 23.3 90% 26 76.43 1018.6 0.53
24 18:52 S 7 16.09 Light Rain FEW042TCU BKN075 OVC120 25 23.3 90% 26 76.38 1018.0
24 17:52 Calm 16.09 Overcast OVC070 25 22.2 85% 26 76.4 1018.4
24 16:52 Calm 11.27 Overcast FEW013 BKN031CB BKN065 OVC150 24.4 22.8 91% 24 76.43 1018.5 0.53 0.53
24 15:52 N 20 16.09 Mostly Cloudy BKN040CB BKN080 BKN150 27.2 21.1 69% 29 76.43 1018.7
24 14:52 S 9 16.09 Mostly Cloudy BKN038TCU BKN090 BKN150 30 21.1 59% 33 76.45 1018.8
24 13:52 SW 9 16.09 Mostly Cloudy SCT026 BKN100 BKN200 30 21.1 30 23.3 59% 33 76.48 1019.4
24 12:52 S 6 16.09 Overcast FEW015 BKN100 OVC200 28.3 21.1 65% 31 76.5 1019.6
24 11:52 N 6 16.09 Overcast FEW012 SCT050 BKN100 OVC200 28.9 22.2 67% 32 76.53 1019.8
24 10:52 NW 6 16.09 Overcast SCT009 BKN050 OVC150 26.1 22.8 82% 28 76.5 1019.7
24 09:52 Calm 16.09 Mostly Cloudy BKN007 BKN120 25 22.8 88% 26 76.48 1019.5
24 08:52 S 6 16.09 Overcast SCT006 OVC110 23.9 22.8 94% 23 76.48 1019.1
24 07:52 SW 7 16.09 Overcast BKN006 OVC100 23.3 22.2 23.3 22.8 94% 76.48 1019.1
24 06:52 Calm 16.09 Overcast BKN009 OVC100 23.3 22.2 94% 76.45 1018.8
24 05:52 Calm 16.09 Overcast SCT010 OVC120 22.8 21.7 94% 76.45 1018.9
24 04:52 SE 7 16.09 Light Rain FEW090 OVC110 23.3 22.2 94% 76.43 1018.5
24 03:52 SE 7 16.09 Light Rain OVC110 23.3 22.2 94% 76.43 1018.5
24 02:52 Calm 16.09 Overcast FEW010 FEW050 OVC120 22.8 22.2 96% 76.43 1018.6
24 01:52 Calm 16.09 Overcast FEW010 OVC130 23.3 22.2 29.4 22.8 94% 76.43 1018.6 0.03 0.33
24 00:52 S 6 16.09 Partly Cloudy SCT120 23.3 22.2 94% 76.45 1018.9
23 23:52 SW 6 16.09 Light Rain FEW010 OVC150 23.3 22.2 94% 76.48 1019.4 0.05
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)