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.
09 16:52 SW 10 10.00 A Few Clouds FEW055 75.9 42.1 30% 77 29.96 1014.5
09 15:52 S 14 G 22 10.00 A Few Clouds FEW055 75.9 41 29% 77 29.98 1015.0
09 14:52 SW 10 10.00 A Few Clouds FEW055 75 43 32% 77 29.98 1015.1
09 13:52 S 12 10.00 A Few Clouds FEW055 73.9 44.1 73.9 37.9 34% 30 1015.9
09 12:52 Vrbl 5 10.00 A Few Clouds FEW055 71.1 39 31% 30.04 1017.3
09 11:52 S 6 10.00 A Few Clouds FEW050 69.1 37.9 32% 30.07 1018.0
09 10:52 Vrbl 5 10.00 Fair CLR 64.9 37.9 37% 30.08 1018.7
09 09:52 Calm 10.00 Fair CLR 57.9 42.1 56% 30.1 1019.1
09 08:52 Calm 10.00 Fair CLR 48.9 43 80% 30.08 1018.6
09 07:52 Calm 10.00 Fair CLR 39 36 46 37 89% 30.06 1017.9
09 06:52 Calm 10.00 Fair CLR 39 36 89% 30.03 1016.7
09 05:52 SE 3 10.00 Fair CLR 39 36 89% 30.01 1016.1
09 04:52 Calm 10.00 Fair CLR 39 36 89% 29.99 1015.3
09 03:52 S 3 10.00 Fair CLR 39.9 36 86% 29.99 1015.3
09 02:52 Calm 10.00 Fair CLR 43 37 80% 30 1015.7
09 01:52 Calm 10.00 Fair CLR 45 37 66 43 74% 30 1015.7
09 00:52 SW 5 10.00 Fair CLR 46 37.9 73% 44 29.99 1015.5
08 23:52 Calm 10.00 Fair CLR 46.9 37.9 71% 29.99 1015.5
08 22:52 SE 6 10.00 A Few Clouds FEW220 52 37.9 59% 29.98 1015.2
08 21:52 Calm 10.00 Partly Cloudy SCT220 59 37.9 46% 29.95 1013.9
08 20:52 NW 3 10.00 Partly Cloudy FEW050 SCT220 61 39.9 46% 29.93 1013.3
08 19:52 NW 5 10.00 Partly Cloudy FEW060 FEW090 SCT220 66 41 73 66 40% 29.91 1012.6
08 18:52 NW 9 10.00 Mostly Cloudy FEW060 FEW090 BKN220 70 44.1 39% 29.89 1011.9
08 17:52 NW 9 10.00 Mostly Cloudy FEW060 SCT090 BKN220 71.1 45 39% 29.87 1011.2
08 16:52 W 12 10.00 Mostly Cloudy FEW060 SCT090 BKN220 72 46 40% 29.86 1010.9
08 15:52 W 12 10.00 Overcast SCT065 BKN090 OVC160 72 51.1 48% 29.85 1010.5
08 14:52 W 9 10.00 Overcast SCT060 BKN080 OVC160 73 51.1 46% 29.84 1010.1
08 13:52 SW 10 10.00 Overcast SCT055 SCT065 OVC200 72 52 73 63 50% 29.83 1010.1
08 12:52 W 7 10.00 Overcast SCT042 BKN075 BKN120 OVC200 72 55 55% 29.85 1010.7
08 11:52 SW 3 10.00 Mostly Cloudy SCT038 SCT060 BKN200 70 59 68% 29.86 1010.9
08 10:52 SW 6 10.00 Mostly Cloudy FEW055 SCT090 BKN190 BKN250 68 60.1 76% 29.87 1011.3
08 09:52 Calm 10.00 Mostly Cloudy SCT055 BKN110 BKN190 BKN250 66 61 84% 29.86 1011.0
08 08:52 SE 5 10.00 Light Rain BKN055 BKN090 BKN250 63 59 87% 29.86 1010.9
08 07:52 SW 3 10.00 Mostly Cloudy FEW050 BKN090 BKN190 BKN250 63 60.1 66 62.1 90% 29.84 1010.1
08 06:52 SW 6 10.00 Mostly Cloudy SCT090 BKN110 BKN190 BKN250 64 60.1 87% 29.83 1009.8
08 05:52 SW 8 10.00 Overcast OVC080 64.9 60.1 84% 29.84 1010.2
08 04:52 SW 12 10.00 Overcast FEW100 OVC170 66 60.1 81% 29.81 1009.3
08 03:52 SW 9 10.00 Overcast BKN190 OVC250 64.9 60.1 84% 29.81 1009.3
08 01:52 S 12 10.00 Overcast SCT130 OVC190 64 60.1 87% 29.83 1010.1
08 00:52 S 6 10.00 Mostly Cloudy FEW090 BKN150 BKN210 62.1 59 66.9 57.9 90% 29.85 1010.7 0.01
07 23:52 SE 5 10.00 Mostly Cloudy FEW055 FEW070 BKN110 59 57.9 96% 29.88 1011.8 0.01
07 22:52 NW 8 10.00 Mostly Cloudy SCT050 BKN100 63 59 87% 29.9 1012.5
07 21:52 Calm 10.00 Partly Cloudy SCT050 64 57.9 81% 29.89 1012.1
07 20:52 S 8 10.00 Fair CLR 64.9 59 81% 29.86 1011.1
07 19:52 S 10 10.00 A Few Clouds FEW250 64 55.9 75% 29.87 1011.5
07 18:52 S 7 10.00 A Few Clouds FEW025 FEW250 64 57 68 52 78% 29.91 1012.7
07 17:52 S 14 G 21 10.00 Partly Cloudy FEW025 SCT250 66.9 57.9 73% 29.91 1012.9
07 16:52 S 14 G 26 10.00 Partly Cloudy FEW022 SCT250 68 57 68% 29.93 1013.5
07 15:52 S 10 10.00 Partly Cloudy FEW015 SCT250 63 52 68% 29.96 1014.4
07 14:52 SE 6 10.00 Overcast OVC013 57 51.1 81% 30.01 1016.2
07 13:52 S 7 10.00 Overcast OVC011 55 48.9 80% 30.05 1017.6
07 12:52 S 6 10.00 Overcast OVC008 52 48 52 42.1 86% 30.11 1019.4
07 11:52 SE 7 6.00 Fog/Mist SCT004 OVC006 48.9 46 90% 46 30.14 1020.6
07 10:52 S 7 2.00 Fog/Mist OVC004 46.9 45 93% 44 30.17 1021.8
07 09:52 SE 8 0.50 Fog/Mist OVC002 45 44.1 97% 41 30.19 1022.5
07 08:52 S 5 0.50 Fog/Mist OVC002 43 43 100% 41 30.23 1023.6
07 07:52 SE 6 0.50 Fog/Mist OVC002 42.1 41 96% 39 30.24 1024.2
07 06:52 SE 6 1.75 Fog/Mist OVC004 42.1 41 45 41 96% 39 30.24 1024.2
07 05:52 S 5 1.75 Fog/Mist OVC003 42.1 41 96% 40 30.25 1024.3
07 04:52 SE 9 1.50 Fog/Mist OVC004 42.1 41 96% 37 30.24 1024.3
07 03:52 SE 3 1.50 Fog/Mist OVC004 42.1 42.1 100% 30.27 1025.3
07 02:52 SE 6 2.00 Fog/Mist OVC003 43 42.1 97% 40 30.29 1025.7
07 01:52 SE 7 6.00 Fog/Mist OVC006 44.1 42.1 93% 41 30.31 1026.2
07 00:52 SE 6 10.00 Overcast OVC011 45 42.1 46.9 45 90% 42 30.32 1026.7
06 23:52 SE 5 10.00 Overcast OVC011 46 42.1 86% 44 30.33 1027.0
06 22:52 SE 6 9.00 Overcast OVC009 46 43 89% 44 30.33 1027.1
06 21:52 E 7 7.00 Overcast OVC007 46 44.1 93% 43 30.36 1028.3
06 20:52 E 6 5.00 Fog/Mist OVC005 46 44.1 93% 44 30.35 1027.9
06 19:52 E 8 6.00 Fog/Mist OVC006 46.9 45 93% 44 30.34 1027.3
06 18:52 E 8 7.00 Overcast OVC007 46.9 45 53.1 46.9 93% 44 30.32 1026.8 0.01
06 17:52 E 7 7.00 Overcast BKN010 OVC015 48.9 46 90% 46 30.31 1026.3 0.01
06 16:52 E 6 5.00 Light Rain Fog/Mist OVC012 50 46 86% 48 30.3 1025.9
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)