Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (edt) 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.
08 22:52 NE 3 9.00 Overcast OVC009 69.1 68 96% 29.77 1007.7 0.02
08 21:52 W 3 10.00 Mostly Cloudy BKN016 BKN070 70 68 93% 29.75 1007.2
08 20:52 Calm 7.00 Overcast BKN037 BKN050 OVC200 70 68 93% 29.74 1006.7 0.02
08 19:52 E 8 7.00 Thunderstorm Light Rain SCT025CB OVC080 70 68 73 68 93% 29.73 1006.5 0.43 0.82
08 18:52 E 7 10.00 Overcast BKN025 BKN030 OVC100 72 68 87% 29.73 1006.3
08 17:52 E 6 10.00 Overcast BKN020 OVC032 73 69.1 87% 29.71 1005.8
08 16:52 E 7 7.00 Overcast OVC017 73 68 84% 29.71 1005.7 0.39
08 15:52 E 6 9.00 Overcast OVC014 71.1 66.9 87% 29.72 1006.1
08 14:52 E 6 9.00 Overcast SCT009 BKN014 OVC036 70 66.9 90% 29.74 1006.9 0.39
08 13:52 Vrbl 5 1.00 Heavy Rain Fog/Mist BKN024CB BKN034 OVC070 68 66 73 68 93% 29.76 1007.4 0.37 0.41
08 12:52 E 6 7.00 Thunderstorm Light Rain FEW010 BKN036CB BKN070 OVC160 70 64.9 84% 29.77 1007.9 0.02
08 11:52 SE 8 G 20 3.00 Rain FEW009 SCT026 BKN039 OVC130 69.1 63 81% 29.78 1008.0 0.02
08 10:52 E 10 9.00 Mostly Cloudy FEW012 SCT035 BKN070 BKN140 BKN200 72 63 73% 29.77 1007.6
08 09:52 E 14 G 18 10.00 Overcast FEW010 FEW065 BKN090 OVC140 72 64.9 79% 29.77 1007.7
08 08:52 E 6 8.00 Light Rain FEW010 SCT041 BKN090 OVC140 70 66 87% 29.78 1008.2
08 07:52 Calm 7.00 Overcast FEW045 BKN110 OVC140 70 66 73 66.9 87% 29.78 1008.2 0.01
08 06:52 NE 6 7.00 Light Rain SCT055 BKN090 BKN140 OVC200 69.1 66 90% 29.77 1007.8 0.01
08 05:52 Calm 8.00 Overcast FEW110 OVC130 69.1 63 81% 29.78 1008.0
08 04:52 N 5 9.00 Overcast BKN090 OVC110 72 63 73% 29.76 1007.5
08 03:52 NE 3 10.00 Overcast OVC090 72 63 73% 29.76 1007.5
08 02:52 NE 5 10.00 Overcast BKN080 OVC100 72 64 76% 29.77 1007.7
08 01:52 NE 5 10.00 Overcast BKN095 OVC210 72 63 80.1 70 73% 29.79 1008.3
08 00:52 NE 6 10.00 Mostly Cloudy BKN210 73 64 74% 29.8 1008.6
07 23:52 Calm 10.00 Mostly Cloudy FEW060 BKN220 72 64.9 79% 29.8 1009.0
07 22:52 NE 3 10.00 Mostly Cloudy SCT060 BKN250 70 64.9 84% 29.81 1009.0
07 21:52 Calm 10.00 Mostly Cloudy SCT045 BKN250 73.9 64 71% 29.8 1008.6
07 20:52 N 7 10.00 Overcast FEW070 OVC200 79 63 58% 81 29.77 1007.8
07 19:52 NW 6 10.00 Mostly Cloudy FEW050TCU BKN250 80.1 63 84 79 56% 81 29.76 1007.4
07 18:52 NW 8 10.00 Mostly Cloudy BKN250 82 62.1 51% 83 29.75 1007.0
07 17:52 NW 12 10.00 Mostly Cloudy SCT044TCU BKN250 82.9 64 53% 84 29.75 1007.2
07 16:52 NW 13 G 20 10.00 Mostly Cloudy SCT047 BKN250 84 62.1 48% 85 29.76 1007.5
07 15:52 NW 8 10.00 Mostly Cloudy SCT044 BKN250 84 63 49% 85 29.76 1007.5
07 14:52 NW 8 10.00 Mostly Cloudy SCT042 BKN070 82.9 64.9 55% 85 29.76 1007.4
07 13:52 N 6 10.00 Mostly Cloudy SCT030 BKN090 82 66.9 82 70 60% 85 29.76 1007.5 0.06
07 12:52 Vrbl 5 10.00 Mostly Cloudy SCT027 BKN045 BKN150 80.1 68 67% 83 29.77 1007.9
07 11:52 W 5 10.00 Overcast FEW037 OVC060 75.9 66.9 74% 77 29.8 1008.8
07 10:52 NW 6 10.00 Overcast BKN037 OVC060 72 66.9 84% 29.81 1009.1 0.01 0.06
07 09:52 NW 9 7.00 Light Rain FEW017 SCT034 BKN065 OVC130 72 66.9 84% 29.81 1009.3
07 08:52 W 9 4.00 Light Rain Fog/Mist FEW012 BKN030 OVC060 71.1 68 90% 29.81 1009.0 0.05
07 07:52 Calm 10.00 Overcast FEW009 SCT034 OVC090 70 68 70 66.9 93% 29.8 1008.7
07 06:52 Calm 4.00 Fog/Mist SCT009 BKN029 OVC100 68 68 100% 29.79 1008.4
07 05:52 Calm 2.50 Fog/Mist SCT095 OVC110 68 68 100% 29.78 1008.3
07 04:52 Calm 10.00 Mostly Cloudy FEW060 SCT090 BKN250 66.9 66.9 100% 29.78 1008.0
07 03:52 Calm 6.00 Fog/Mist FEW055 BKN250 68 68 100% 29.79 1008.6
07 02:52 S 3 10.00 Mostly Cloudy SCT055 BKN250 69.1 68 96% 29.8 1009.0
07 01:52 Calm 10.00 Overcast FEW070 OVC250 68 68 72 66.9 100% 29.82 1009.4 0.01
07 00:52 S 3 8.00 Mostly Cloudy FEW120 BKN250 66.9 66.9 100% 29.84 1010.1
06 23:52 Calm 10.00 Mostly Cloudy BKN250 69.1 69.1 100% 29.86 1010.9
06 22:52 Calm 10.00 Overcast OVC250 69.1 69.1 100% 29.85 1010.4 0.01
06 21:52 Calm 9.00 Mostly Cloudy BKN250 70 69.1 97% 29.85 1010.4
06 20:52 Calm 10.00 Mostly Cloudy FEW050 SCT100 BKN180 BKN250 70 70 100% 29.84 1010.2 0.01
06 19:52 S 3 5.00 Light Rain Fog/Mist FEW080 BKN110 OVC180 72 70 84.9 72 94% 29.85 1010.5 0.02 0.07
06 18:52 NW 6 10.00 Mostly Cloudy FEW015 SCT080 BKN180 BKN250 73.9 71.1 91% 29.86 1010.9
06 17:52 SW 6 10.00 Mostly Cloudy FEW045 SCT080 BKN140 BKN180 BKN250 75 72 90% 74 29.86 1011.0
06 16:52 W 3 10.00 Mostly Cloudy FEW040 SCT080 BKN120 BKN150 BKN250 75 70 84% 75 29.87 1011.2 0.02 0.05
06 15:52 N 7 8.00 Thunderstorm Light Rain BKN049CB BKN120 BKN150 BKN250 72 68 87% 29.88 1011.7 0.03
06 14:52 SW 6 10.00 Mostly Cloudy FEW028 SCT055CB BKN150 BKN250 84 63 49% 85 29.89 1011.8
06 13:52 SE 5 10.00 Mostly Cloudy SCT042 BKN160 BKN250 82.9 64 84 72 53% 84 29.9 1012.1
06 12:52 SE 6 10.00 Mostly Cloudy SCT039 BKN250 82.9 66.9 59% 86 29.93 1013.3
06 11:52 S 8 10.00 Mostly Cloudy BKN036 BKN250 81 68 65% 84 29.94 1013.6
06 10:52 SW 6 10.00 Mostly Cloudy BKN026 BKN250 80.1 69.1 69% 83 29.94 1013.7
06 09:52 S 6 10.00 Mostly Cloudy FEW020 BKN250 77 68 74% 79 29.95 1014.0
06 08:52 SW 5 10.00 Mostly Cloudy FEW180 BKN250 73.9 66.9 79% 29.96 1014.4
06 07:52 Calm 10.00 Mostly Cloudy FEW180 BKN250 72 66.9 72 64 84% 29.97 1014.5
06 06:52 Calm 10.00 Mostly Cloudy FEW047 SCT180 BKN250 68 66 93% 29.97 1014.4
06 05:52 SE 5 7.00 A Few Clouds FEW047 64 64 100% 29.95 1013.9
06 04:52 SE 5 10.00 Mostly Cloudy BKN047 68 66 93% 29.95 1013.9
06 03:52 S 3 10.00 Partly Cloudy SCT050 66.9 66 97% 29.95 1013.8
06 02:52 Calm 10.00 A Few Clouds FEW040 68 66 93% 29.96 1014.2
06 01:52 S 5 10.00 A Few Clouds FEW040 71.1 66 80.1 70 84% 29.98 1014.8
06 00:52 S 3 10.00 Fair CLR 70 64.9 84% 29.99 1015.3
05 23:52 S 6 10.00 A Few Clouds FEW200 72 64.9 79% 30 1015.8
Date Time (edt) 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)