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.
29 08:52 NW 9 16.09 A Few Clouds FEW030 FEW080 26.7 21.7 74% 29 76.33 1017.2
29 07:52 NW 7 16.09 A Few Clouds FEW130 FEW250 25 21.7 25 21.1 82% 26 76.3 1017.0
29 06:52 Calm 16.09 A Few Clouds FEW130 FEW250 22.8 21.7 94% 76.28 1016.4
29 05:52 Calm 16.09 A Few Clouds FEW130 FEW250 21.1 20.6 97% 76.23 1015.9
29 04:52 Calm 16.09 Mostly Cloudy BKN130 BKN250 21.7 21.1 96% 76.2 1015.6
29 03:52 Calm 16.09 Partly Cloudy FEW140 SCT250 21.7 20.6 94% 76.2 1015.4
29 02:52 Calm 16.09 Mostly Cloudy FEW140 BKN250 21.7 20.6 94% 76.2 1015.4
29 01:52 Calm 16.09 Partly Cloudy FEW160 SCT250 22.2 21.1 27.8 22.2 94% 76.2 1015.6
29 00:52 Calm 16.09 Partly Cloudy FEW080 FEW160 SCT250 22.8 21.1 90% 76.25 1016.1
28 23:52 Calm 16.09 Mostly Cloudy FEW080 FEW160 BKN250 23.3 21.1 88% 76.25 1016.2
28 22:52 S 6 16.09 Mostly Cloudy SCT120 BKN160 BKN220 23.9 22.2 90% 23 76.25 1016.1
28 21:52 Calm 16.09 Mostly Cloudy FEW040 FEW120 BKN220 25 22.2 85% 26 76.25 1016.4
28 20:52 NW 17 16.09 Overcast FEW029 BKN035CB BKN120 BKN160 OVC210 25.6 22.2 82% 27 76.25 1016.2
28 19:52 W 7 16.09 Mostly Cloudy FEW038 SCT047 BKN110 27.8 25 32.2 27.8 85% 32 76.2 1015.6 0.03 0.03
28 18:52 S 9 16.09 Thunderstorm FEW038CB SCT120 BKN160 BKN250 28.9 24.4 77% 34 76.17 1015.3
28 17:52 S 9 16.09 Mostly Cloudy SCT040CB SCT120 BKN160 BKN250 30.6 23.9 67% 36 76.17 1015.0
28 16:52 S 13 16.09 Partly Cloudy FEW040 SCT250 32.2 23.3 59% 37 76.15 1014.8
28 15:52 Vrbl 6 16.09 Partly Cloudy FEW030 SCT250 31.1 23.3 63% 36 76.2 1015.5
28 14:52 Vrbl 9 16.09 A Few Clouds FEW030 30.6 23.3 65% 35 76.28 1016.5
28 13:52 SW 15 16.09 Partly Cloudy SCT024 29.4 23.3 30 22.2 70% 34 76.35 1017.5
28 12:52 S 13 16.09 Partly Cloudy SCT020 28.3 23.3 74% 32 76.38 1017.9
28 11:52 Vrbl 9 16.09 Mostly Cloudy BKN017 BKN021 27.2 22.8 77% 30 76.4 1018.4
28 10:52 S 11 16.09 Overcast OVC013 25 22.2 85% 26 76.48 1019.3
28 09:52 S 11 16.09 Overcast OVC012 24.4 22.2 88% 25 76.48 1019.2
28 08:52 Calm 16.09 NULL NULL 23.3 21.7 91% 76.48 1019.4
28 07:52 Calm 16.09 Overcast BKN007 OVC012 22.2 21.1 22.2 21.1 94% 76.48 1019.3
28 06:52 SE 9 16.09 Mostly Cloudy BKN004 BKN009 21.7 21.1 96% 76.43 1018.7
28 05:52 Calm 2.01 Fog/Mist OVC003 21.1 21.1 100% 76.45 1019.0
28 04:52 Calm 2.01 Fog/Mist OVC003 21.1 21.1 100% 76.43 1018.8
28 03:52 S 6 2.41 Fog/Mist OVC003 21.1 20.6 97% 76.43 1018.6
28 02:52 Calm 2.82 Fog/Mist OVC004 21.1 20.6 97% 76.48 1019.6
28 01:52 Calm 9.66 Fog/Mist OVC004 21.1 20.6 21.1 20.6 97% 76.5 1019.8
28 00:52 S 6 6.44 Fog/Mist OVC004 21.1 20.6 97% 76.58 1020.8
27 23:52 S 6 4.83 Fog/Mist OVC004 21.1 20.6 97% 76.61 1021.3
27 22:52 E 9 4.02 Fog/Mist OVC006 21.1 20.6 97% 76.61 1021.0
27 21:52 SE 7 4.02 Fog/Mist OVC005 21.1 20.6 97% 76.63 1021.3
27 20:52 E 11 4.83 Fog/Mist OVC006 21.1 20 93% 76.58 1020.7
27 19:52 E 9 16.09 Overcast OVC007 21.1 20 21.1 20.6 93% 76.53 1020.2
27 18:52 E 11 16.09 Overcast OVC007 21.1 20 93% 76.56 1020.3
27 17:52 E 9 16.09 Overcast OVC007 21.1 19.4 90% 76.53 1020.2
27 16:52 E 13 11.27 Overcast OVC006 21.1 20 93% 76.58 1020.7
27 15:52 E 15 14.48 Light Rain OVC007 21.1 19.4 90% 76.58 1020.5
27 13:52 E 7 11.27 Overcast OVC009 21.1 19.4 21.1 19.4 90% 76.66 1021.6 0.05
27 12:52 E 11 11.27 Light Rain OVC007 21.1 19.4 90% 76.66 1021.6 0.03
27 11:52 E 6 11.27 Light Rain OVC008 20.6 19.4 93% 76.66 1021.8 0.03
27 10:52 E 9 9.66 Fog/Mist OVC006 20.6 18.9 90% 76.66 1021.7
27 09:52 E 11 9.66 Fog/Mist OVC007 20 18.9 93% 76.63 1021.4
27 08:52 E 9 4.83 Fog/Mist OVC006 20 18.9 93% 76.61 1021.2
27 07:52 E 9 6.44 Fog/Mist OVC004 19.4 18.9 23.3 19.4 97% 76.58 1020.6
27 06:52 E 13 4.83 Fog/Mist OVC004 20 19.4 96% 76.53 1020.0
27 05:52 NE 19 G 31 9.66 Fog/Mist OVC004 20.6 20 96% 76.45 1019.0
27 04:52 E 15 6.44 Fog/Mist OVC003 21.7 21.1 96% 76.4 1018.1
27 03:52 E 7 16.09 Overcast BKN009 OVC013 23.3 22.2 94% 76.38 1017.9
27 02:52 NE 11 16.09 Light Rain BKN012 BKN050 OVC100 23.3 22.2 94% 76.38 1018.0
27 01:52 Calm 16.09 Light Rain SCT009 BKN070 OVC100 23.3 22.2 30 23.3 94% 76.43 1018.4 0.18
27 00:52 SE 6 16.09 Thunderstorm Light Rain FEW050CB BKN080 OVC140 23.3 22.8 97% 76.4 1018.1 0.13
26 23:52 E 13 16.09 Light Rain FEW050CB BKN120 OVC150 23.9 22.2 90% 23 76.33 1017.3 0.05
26 22:52 SE 9 16.09 Thunderstorm Light Rain SCT050CB BKN080 BKN120 24.4 21.1 82% 25 76.4 1018.2
26 21:52 W 13 16.09 Thunderstorm FEW047CB SCT120 BKN180 BKN250 24.4 20.6 79% 25 76.3 1016.7
26 20:52 S 15 16.09 Thunderstorm SCT050CB BKN120 BKN250 28.3 22.2 70% 31 76.25 1016.0
26 19:52 NW 13 16.09 Mostly Cloudy BKN050CB BKN180 BKN250 29.4 23.9 34.4 29.4 72% 34 76.15 1014.8
26 18:52 NE 9 16.09 Mostly Cloudy FEW050CB SCT180 BKN250 31.7 23.3 61% 37 76.1 1014.3
26 17:52 Calm 16.09 Mostly Cloudy SCT050CB SCT180 BKN250 33.9 22.8 52% 39 76.12 1014.3
26 16:52 NE 15 16.09 Mostly Cloudy SCT050CB BKN200 31.7 22.2 57% 36 76.1 1014.2
26 15:52 N 7 16.09 Mostly Cloudy BKN045CB BKN180 33.9 22.8 52% 39 76.12 1014.6
26 14:52 N 9 16.09 Mostly Cloudy BKN045 BKN180 33.3 22.8 54% 38 76.17 1015.1
26 13:52 SE 6 16.09 Partly Cloudy SCT050 SCT150 33.3 22.8 33.3 26.7 54% 38 76.23 1015.7
26 12:52 Calm 16.09 A Few Clouds FEW050 FEW250 32.2 22.8 58% 37 76.25 1016.2
26 11:52 Calm 16.09 A Few Clouds FEW250 31.7 22.8 59% 36 76.3 1016.9
26 10:52 NW 9 16.09 A Few Clouds FEW250 31.1 22.8 61% 35 76.33 1017.1
26 09:52 N 7 16.09 A Few Clouds FEW110 FEW250 29.4 22.2 65% 33 76.33 1017.0
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)