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.
04 15:52 S 17 G 31 16.09 Partly Cloudy FEW070 SCT250 30.6 14.4 37% 30 76.25 1016.3
04 14:52 S 19 16.09 Mostly Cloudy FEW065 SCT100 BKN250 30 15 40% 30 76.33 1017.4
04 13:52 Vrbl 9 16.09 Partly Cloudy FEW070 FEW100 SCT250 29.4 15 29.4 20 42% 29 76.4 1018.3
04 12:52 S 13 16.09 A Few Clouds FEW100 FEW250 28.3 15 44% 28 76.45 1019.1
04 11:52 Vrbl 9 16.09 A Few Clouds FEW100 FEW250 26.7 16.1 52% 27 76.53 1020.0
04 10:52 S 13 16.09 A Few Clouds FEW090 FEW250 25 15.6 56% 26 76.58 1020.5
04 09:52 S 13 16.09 Partly Cloudy FEW090 SCT120 SCT250 23.9 16.1 62% 25 76.58 1020.8
04 08:52 S 15 16.09 Mostly Cloudy SCT090 SCT110 BKN250 21.7 15.6 68% 76.61 1021.0
04 07:52 S 9 16.09 Mostly Cloudy BKN080 BKN250 20 15.6 21.1 19.4 76% 76.61 1020.9
04 06:52 S 11 16.09 Mostly Cloudy BKN085 BKN100 BKN250 19.4 15 76% 76.56 1020.5
04 05:52 S 11 16.09 Mostly Cloudy BKN090 BKN250 20 15 73% 76.53 1020.1
04 04:52 S 17 16.09 Light Rain BKN090 BKN250 20.6 14.4 68% 76.56 1020.2
04 03:52 S 13 16.09 Overcast OVC085 20.6 13.9 66% 76.56 1020.4
04 02:52 S 13 16.09 Mostly Cloudy FEW080 BKN130 BKN250 21.1 13.3 61% 76.56 1020.5
04 01:52 S 15 16.09 Mostly Cloudy FEW095 BKN250 21.1 13.3 25 21.1 61% 76.58 1020.6
04 00:52 S 15 16.09 Partly Cloudy FEW095 SCT250 22.2 13.3 57% 76.56 1020.5
03 23:52 S 19 16.09 Partly Cloudy FEW110 SCT250 22.8 13.3 55% 76.56 1020.3
03 22:52 S 13 16.09 Mostly Cloudy BKN110 BKN250 23.3 13.9 56% 76.56 1020.5
03 21:52 S 15 16.09 Mostly Cloudy BKN100 BKN250 24.4 13.9 52% 26 76.56 1020.5
03 20:52 S 17 16.09 Mostly Cloudy FEW075 BKN120 BKN250 25 13.9 50% 26 76.53 1020.1
03 19:52 S 13 16.09 Mostly Cloudy SCT075 BKN120 BKN250 25 13.9 28.9 22.8 50% 26 76.5 1019.7
03 18:52 S 13 16.09 Mostly Cloudy SCT075 BKN120 BKN250 26.7 13.9 45% 27 76.5 1019.8
03 17:52 SW 20 G 35 16.09 Mostly Cloudy SCT075 SCT130 BKN250 27.8 13.3 41% 28 76.48 1019.6
03 16:52 S 15 G 35 16.09 Mostly Cloudy FEW060 SCT100 BKN250 28.3 13.9 41% 28 76.5 1019.8
03 15:52 S 19 G 39 16.09 Mostly Cloudy FEW060 SCT150 BKN250 27.8 13.9 43% 28 76.56 1020.5
03 14:52 S 22 G 37 16.09 Mostly Cloudy FEW060 SCT150 BKN250 26.1 15 50% 27 76.61 1021.2
03 12:52 SW 11 16.09 Overcast OVC012 17.8 13.9 78% 76.78 1023.7
03 11:52 S 17 16.09 Overcast OVC007 14.4 12.2 87% 76.86 1024.7
03 10:52 S 17 11.27 Overcast OVC006 12.8 11.7 93% 76.91 1025.3
03 09:52 S 15 8.05 Fog/Mist OVC004 11.7 10.6 93% 76.91 1025.5
03 08:52 S 9 0.80 Fog/Mist OVC002 10 9.4 96% 9 76.96 1026.2
03 07:52 S 7 0.80 Fog/Mist OVC003 9.4 8.9 9.4 8.3 97% 9 76.96 1026.2
03 04:52 E 11 1.61 Overcast BKN003 OVC009 8.9 8.3 96% 7 76.94 1025.8
03 01:52 E 9 1.61 Light Drizzle Fog/Mist OVC004 8.3 8.3 10.6 8.3 100% 7 77.04 1027.0
03 00:52 E 11 1.61 Light Drizzle Fog/Mist OVC004 8.9 8.3 96% 7 77.04 1027.2
02 23:52 E 7 1.61 Light Drizzle Fog/Mist OVC004 8.9 8.3 96% 8 77.06 1027.4
02 22:52 E 9 1.61 Light Drizzle Fog/Mist OVC004 9.4 8.9 97% 8 77.01 1026.9
02 21:52 E 7 6.44 Fog/Mist OVC005 9.4 8.9 97% 9 77.01 1026.9
02 20:52 E 11 14.48 Overcast OVC006 10 8.9 93% 9 76.99 1026.2
02 19:52 E 17 16.09 Overcast OVC007 10.6 9.4 13.9 10.6 92% 76.94 1025.6
02 18:52 E 13 16.09 Overcast OVC010 11.7 10 89% 76.91 1025.4
02 17:52 E 13 16.09 Overcast OVC010 12.2 10 87% 76.91 1025.4
02 16:52 E 17 16.09 Overcast OVC010 12.8 10.6 87% 76.89 1025.0
02 15:52 E 19 16.09 Overcast OVC010 12.8 10.6 87% 76.91 1025.3
02 14:52 E 20 G 31 16.09 Overcast OVC011 13.3 10.6 84% 76.94 1025.7
02 13:52 E 13 12.87 Overcast OVC009 13.3 10.6 15.6 12.8 84% 76.99 1026.2
02 12:52 E 17 4.83 Overcast OVC007 12.8 11.1 90% 77.01 1026.5
02 11:52 E 20 4.02 Overcast OVC004 13.3 11.7 90% 76.96 1025.9
02 10:52 NE 20 2.41 Fog/Mist OVC004 13.3 12.8 97% 76.96 1025.8
02 09:52 E 15 2.41 Fog/Mist OVC003 14.4 13.9 97% 76.91 1025.1
02 08:52 E 19 2.41 Fog/Mist OVC003 15 14.4 96% 76.84 1024.4
02 07:52 N 11 16.09 Overcast OVC008 15.6 13.3 17.8 15.6 86% 76.78 1023.4
02 06:52 NW 9 16.09 Overcast OVC009 15.6 13.9 90% 76.71 1022.4
02 05:52 NE 9 16.09 Overcast OVC008 17.2 16.1 93% 76.61 1021.2
02 04:52 N 7 16.09 Mostly Cloudy SCT008 BKN120 16.7 16.1 96% 76.58 1020.7
02 03:52 NE 13 16.09 Partly Cloudy SCT120 17.2 16.1 93% 76.56 1020.3
02 02:52 N 11 16.09 Partly Cloudy SCT090 17.8 16.1 90% 76.56 1020.4
02 01:52 SE 7 16.09 Overcast OVC090 16.7 15.6 20 16.1 93% 76.58 1020.8
02 00:52 N 9 16.09 Mostly Cloudy BKN110 BKN160 18.3 16.1 87% 76.53 1019.9
01 23:52 Calm 16.09 Mostly Cloudy BKN120 BKN250 17.8 15.6 87% 76.43 1018.8
01 22:52 E 6 16.09 Mostly Cloudy BKN120 BKN250 18.3 16.7 90% 76.4 1018.2
01 21:52 N 11 16.09 Mostly Cloudy SCT090 SCT140 BKN250 20 17.2 84% 76.4 1018.2
01 20:52 Calm 16.09 Mostly Cloudy FEW070 SCT110 BKN150 BKN250 17.8 17.2 96% 76.35 1017.7
01 19:52 SE 9 16.09 Mostly Cloudy FEW070 SCT100 BKN150 BKN250 18.3 17.2 30 18.3 93% 76.28 1016.8 0.25
01 18:52 S 9 16.09 Mostly Cloudy FEW044 SCT070 SCT090 BKN140 BKN250 20 18.3 90% 76.3 1017.1 0.25
01 17:52 SE 15 16.09 Thunderstorm FEW020 SCT070CB BKN090 BKN130 BKN250 21.7 16.7 73% 76.23 1016.1
01 16:52 S 13 16.09 Thunderstorm FEW060 BKN085CB BKN150 BKN250 28.3 13.9 41% 28 76.23 1016.0
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)