Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (est) 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.
06 11:52 NW 10 G 20 10.00 A Few Clouds FEW060 57 25 29% 30.19 1022.2
06 10:52 NW 17 G 29 7.00 A Few Clouds FEW060 55 24.1 30% 30.21 1022.9
06 09:52 NW 17 G 29 9.00 A Few Clouds FEW033 FEW065 53.1 26.1 35% 30.21 1022.8
06 08:52 W 8 G 20 10.00 A Few Clouds FEW060 51.1 25 36% 30.21 1022.8
06 07:52 W 7 10.00 A Few Clouds FEW070 48 25 41% 45 30.19 1022.2
06 06:52 NW 9 10.00 A Few Clouds FEW060 45 25 55.9 45 46% 41 30.15 1021.1
06 05:52 NW 8 10.00 A Few Clouds FEW055 46 21.9 38% 42 30.13 1020.3
06 04:52 NW 10 10.00 A Few Clouds FEW055 46.9 21.9 37% 43 30.1 1019.3
06 03:52 NW 10 G 20 10.00 A Few Clouds FEW055 51.1 24.1 35% 30.07 1018.1
06 02:52 NW 12 G 22 10.00 A Few Clouds FEW060 52 30.9 45% 30.05 1017.4
06 01:52 N 13 G 26 9.00 A Few Clouds FEW055 55 33.1 44% 30.01 1016.0
06 00:52 NW 13 G 22 10.00 A Few Clouds FEW040 55.9 33.1 71.1 55.9 42% 29.97 1014.8
05 23:52 NW 15 G 28 10.00 Mostly Cloudy FEW075 BKN090 60.1 42.1 52% 29.91 1012.8
05 22:52 NW 25 G 43 7.00 Overcast and Breezy OVC070 68 44.1 42% 29.83 1009.8
05 21:52 Vrbl 7 10.00 Partly Cloudy SCT080 64 39.9 41% 29.77 1008.0
05 20:52 SW 8 10.00 Mostly Cloudy BKN085 66.9 39 36% 29.76 1007.6
05 19:52 S 10 10.00 Partly Cloudy SCT090 60.1 41 50% 29.77 1008.0
05 18:52 SW 5 10.00 A Few Clouds FEW150 FEW250 63 39 73.9 61 41% 29.77 1008.1
05 17:52 SW 9 10.00 Partly Cloudy FEW140 SCT250 64.9 39 39% 29.75 1007.5
05 16:52 SW 12 G 24 10.00 Partly Cloudy FEW140 SCT250 71.1 37.9 30% 29.74 1007.0
05 15:52 SW 17 G 28 10.00 A Few Clouds FEW140 FEW250 73 36 26% 29.75 1007.2
05 14:52 SW 17 G 32 10.00 Partly Cloudy FEW140 SCT250 72 37.9 29% 29.77 1008.1
05 13:52 SW 14 G 25 10.00 Mostly Cloudy BKN250 73 37 27% 29.81 1009.4
05 12:52 SW 13 G 25 10.00 Mostly Cloudy BKN250 69.1 35.1 70 37 29% 29.85 1011.0
05 11:52 S 13 G 22 10.00 Mostly Cloudy BKN250 68 34 28% 29.93 1013.4
05 10:52 S 13 10.00 A Few Clouds FEW250 63 32 31% 29.99 1015.4
05 09:52 S 10 10.00 A Few Clouds FEW170 57 32 39% 30.03 1016.9
05 08:52 S 10 10.00 A Few Clouds FEW170 51.1 28.9 43% 30.08 1018.6
05 07:52 S 6 10.00 A Few Clouds FEW170 FEW250 45 30 56% 42 30.12 1019.8
05 06:52 Calm 10.00 Partly Cloudy SCT170 SCT250 39 28 41 33.1 65% 30.14 1020.7
05 05:52 Calm 10.00 Fair CLR 39 27 62% 30.16 1021.3
05 04:52 Calm 10.00 Partly Cloudy SCT140 37.9 28.9 70% 30.17 1021.6
05 03:52 S 3 10.00 Partly Cloudy SCT140 39.9 28.9 65% 30.18 1022.0
05 02:52 Calm 10.00 Partly Cloudy SCT140 33.1 27 78% 30.19 1022.2
05 01:52 E 3 10.00 A Few Clouds FEW140 37 27 67% 30.2 1022.5
05 00:52 Calm 10.00 A Few Clouds FEW140 39 27 57 37 62% 30.21 1023.1
04 23:52 S 3 10.00 Fair CLR 37.9 27 65% 30.23 1023.7
04 22:52 Calm 10.00 Fair CLR 44.1 24.1 45% 30.24 1024.0
04 21:52 Calm 10.00 A Few Clouds FEW200 43 24.1 47% 30.25 1024.3
04 20:52 S 3 10.00 Partly Cloudy SCT200 48 23 37% 30.25 1024.3
04 19:52 W 8 10.00 Mostly Cloudy FEW120 BKN200 55 19.9 25% 30.24 1023.9
04 18:52 W 6 10.00 Partly Cloudy SCT200 57 19.9 64 53.1 24% 30.23 1023.8
04 17:52 W 6 10.00 A Few Clouds FEW060 FEW250 57 19.9 24% 30.22 1023.3
04 16:52 NW 7 10.00 A Few Clouds FEW060 FEW250 60.1 19.9 21% 30.2 1022.6
04 15:52 W 9 10.00 Partly Cloudy SCT250 64 23 21% 30.18 1022.0
04 14:52 W 13 10.00 Partly Cloudy SCT250 63 24.1 23% 30.19 1022.1
04 13:52 W 17 G 26 10.00 Mostly Cloudy BKN250 63 23 22% 30.2 1022.7
04 12:52 NW 14 G 23 10.00 Mostly Cloudy FEW150 BKN250 62.1 25 63 46 24% 30.22 1023.4
04 11:52 NW 13 G 22 10.00 Mostly Cloudy BKN250 60.1 26.1 27% 30.26 1024.5
04 10:52 W 13 G 23 10.00 Mostly Cloudy BKN250 60.1 28.9 31% 30.28 1025.2
04 09:52 W 13 G 20 10.00 Mostly Cloudy BKN250 57.9 30.9 36% 30.28 1025.2
04 08:52 W 9 10.00 Mostly Cloudy BKN250 55 30 38% 30.29 1025.5
04 07:52 W 6 10.00 Mostly Cloudy BKN250 51.1 30.9 46% 30.26 1024.8
04 06:52 SW 7 10.00 A Few Clouds FEW250 46 30 53.1 39.9 54% 43 30.23 1023.7
04 05:52 SW 7 10.00 Fair CLR 45 30 56% 42 30.2 1022.8
04 04:52 SW 5 10.00 Fair CLR 39.9 30 68% 37 30.19 1022.2
04 03:52 Calm 10.00 Fair CLR 41 30.9 67% 30.15 1021.0
04 02:52 W 6 10.00 Fair CLR 50 32 50% 48 30.14 1020.5
04 01:52 NW 16 G 23 10.00 Fair CLR 53.1 34 48% 30.12 1019.8
04 00:52 NW 13 10.00 Fair CLR 53.1 35.1 59 53.1 51% 30.1 1019.2
03 23:52 NW 14 G 25 10.00 Fair CLR 53.1 37 55% 30.09 1018.7
03 22:52 NW 13 10.00 Fair CLR 53.1 36 52% 30.08 1018.4
03 21:52 NW 17 G 26 10.00 Fair CLR 54 35.1 49% 30.07 1018.4
03 20:52 NW 18 10.00 Fair CLR 55.9 35.1 46% 30.05 1017.5
03 19:52 NW 21 G 31 10.00 Fair and Breezy CLR 57 34 42% 30.03 1016.9
03 18:52 NW 12 10.00 Fair CLR 57 35.1 68 57 44% 30.01 1016.3
03 17:52 W 13 10.00 A Few Clouds FEW050 FEW070 59 35.1 41% 30 1016.0
03 16:52 NW 15 G 26 9.00 A Few Clouds FEW050 FEW070 64 36 35% 29.98 1015.0
03 15:52 NW 10 10.00 A Few Clouds FEW070 66.9 37 33% 29.96 1014.3
03 14:52 W 9 10.00 A Few Clouds FEW070 FEW120 66.9 37 33% 29.96 1014.5
03 13:52 NW 8 10.00 Partly Cloudy FEW050 SCT090 66.9 37 33% 29.99 1015.6
03 12:52 W 10 10.00 Partly Cloudy SCT050 64.9 42.1 64.9 48.9 43% 30.03 1017.0
Date Time (est) 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)