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.
24 11:52 Vrbl 6 10.00 Mostly Cloudy SCT090 BKN120 BKN250 81 53.1 38% 80 29.8 1008.8
24 10:52 NW 9 10.00 Mostly Cloudy BKN090 BKN120 BKN250 75 52 45% 78 29.81 1009.3
24 09:52 NW 9 10.00 Mostly Cloudy BKN085 BKN110 75 53.1 46% 78 29.82 1009.6
24 08:52 NW 13 10.00 Mostly Cloudy FEW110 BKN250 73 53.1 50% 29.83 1009.8
24 07:52 NW 6 10.00 Mostly Cloudy FEW120 FEW180 BKN250 68 52 68 55 57% 29.82 1009.6
24 06:52 N 5 10.00 Mostly Cloudy FEW120 BKN250 63 51.1 65% 29.82 1009.3
24 05:52 NW 5 10.00 A Few Clouds FEW120 FEW250 59 50 72% 29.8 1008.9
24 04:52 W 5 10.00 Fair CLR 64 50 60% 29.81 1009.0
24 03:52 Calm 10.00 Fair CLR 59 50 72% 29.81 1009.2
24 02:52 Calm 10.00 Fair CLR 57.9 50 75% 29.8 1009.1
24 01:52 Calm 10.00 Fair CLR 57.9 51.1 75 57.9 78% 29.82 1009.6
24 00:52 NW 5 10.00 Partly Cloudy SCT080 59 53.1 81% 29.84 1010.2
23 23:52 Calm 10.00 Partly Cloudy FEW050 SCT090 62.1 52 70% 29.84 1010.2
23 22:52 Calm 10.00 A Few Clouds FEW050 FEW250 63 53.1 70% 29.84 1010.4
23 21:52 Calm 10.00 A Few Clouds FEW100 FEW250 64 52 65% 29.85 1010.7
23 20:52 E 3 10.00 Partly Cloudy FEW100 SCT250 64.9 52 63% 29.85 1010.6
23 19:52 Calm 10.00 Partly Cloudy FEW100 SCT250 75 53.1 82.9 75 46% 78 29.83 1010.0
23 18:52 Calm 10.00 Partly Cloudy FEW100 SCT250 81 50 34% 80 29.83 1009.9
23 17:52 NW 6 10.00 Partly Cloudy FEW075 FEW110 SCT250 82.9 50 32% 81 29.84 1010.2
23 16:52 Calm 10.00 Partly Cloudy FEW075 SCT250 82.9 51.1 33% 81 29.85 1010.4
23 15:52 W 13 G 22 10.00 Partly Cloudy FEW075 SCT250 82.9 48.9 31% 81 29.87 1011.3
23 14:52 W 8 G 17 10.00 Partly Cloudy FEW065 SCT250 81 51.1 35% 80 29.9 1012.4
23 13:52 NW 8 10.00 Partly Cloudy SCT050 SCT250 80.1 51.1 80.1 64 37% 80 29.94 1013.5
23 12:52 Vrbl 6 10.00 Partly Cloudy SCT055 78.1 52 40% 79 29.96 1014.4
23 11:52 NW 10 10.00 Partly Cloudy FEW050 FEW150 SCT250 77 53.1 43% 78 29.98 1015.1
23 10:52 NW 14 G 22 9.00 A Few Clouds FEW150 FEW250 73.9 52 46% 29.99 1015.4
23 09:52 W 9 10.00 A Few Clouds FEW010 FEW250 72 52 50% 29.99 1015.4
23 08:52 NW 6 10.00 A Few Clouds FEW110 FEW250 69.1 52 55% 29.99 1015.5
23 07:52 Calm 10.00 Partly Cloudy SCT110 SCT250 64.9 53.1 64.9 52 66% 29.99 1015.3
23 06:52 W 3 10.00 A Few Clouds FEW100 FEW250 53.1 48.9 86% 29.98 1014.8
23 05:52 SW 5 10.00 Mostly Cloudy BKN100 53.1 48.9 86% 29.96 1014.5
23 04:52 Calm 10.00 Partly Cloudy SCT080 53.1 48 83% 29.95 1014.1
23 03:52 Calm 10.00 Mostly Cloudy BKN080 54 48 80% 29.96 1014.4
23 02:52 Calm 10.00 A Few Clouds FEW085 54 46.9 77% 29.96 1014.2
23 01:52 Calm 10.00 Fair CLR 55 46.9 72 54 74% 29.96 1014.4
23 00:52 Calm 10.00 Fair CLR 57 46.9 69% 29.97 1014.7
22 23:52 W 5 10.00 Fair CLR 63 46 54% 29.97 1014.6
22 22:52 W 6 10.00 Fair CLR 66 46 49% 29.96 1014.3
22 21:52 W 5 10.00 Fair CLR 66.9 46 47% 29.95 1014.1
22 20:52 W 5 10.00 A Few Clouds FEW070 70 46 42% 29.94 1013.6
22 19:52 W 7 10.00 A Few Clouds FEW070 72 46 78.1 72 40% 29.91 1012.9
22 18:52 SW 6 10.00 A Few Clouds FEW070 75 48.9 40% 77 29.91 1012.5
22 17:52 SW 10 10.00 Partly Cloudy SCT065 77 48.9 37% 78 29.91 1012.5
22 16:52 W 9 10.00 Partly Cloudy SCT065 SCT250 75.9 48 37% 78 29.91 1012.7
22 15:52 SW 12 G 22 10.00 Partly Cloudy FEW065 SCT075 SCT250 77 46.9 35% 78 29.93 1013.2
22 14:52 SW 10 G 20 10.00 Partly Cloudy FEW060 SCT120 SCT250 75 46.9 37% 77 29.95 1014.1
22 13:52 S 7 10.00 Mostly Cloudy FEW055 BKN120 BKN250 71.1 46 71.1 52 41% 29.99 1015.3
22 12:52 SW 6 10.00 Mostly Cloudy FEW045 BKN110 BKN250 64 45 50% 30.02 1016.3
22 11:52 S 3 10.00 Overcast BKN090 OVC110 61 46 58% 30.03 1016.8
22 10:52 Calm 10.00 Light Rain BKN100 OVC200 57.9 43 58% 30.05 1017.4
22 09:52 S 5 10.00 Overcast FEW038 SCT070 BKN085 OVC220 57.9 39.9 51% 30.04 1017.3
22 08:52 W 3 10.00 Overcast FEW070 BKN130 OVC200 54 37.9 55% 30.05 1017.4
22 07:52 S 5 10.00 Mostly Cloudy BKN170 BKN250 52 36 53.1 50 55% 30.04 1017.3
22 06:52 S 8 10.00 Mostly Cloudy BKN170 BKN250 51.1 35.1 54% 30.03 1016.8
22 05:52 S 10 10.00 Overcast OVC170 51.1 34 52% 30.04 1017.0
22 04:52 S 10 10.00 Mostly Cloudy BKN200 51.1 33.1 50% 30.04 1017.2
22 03:52 S 8 10.00 Overcast OVC150 52 32 47% 30.06 1017.9
22 02:52 S 8 10.00 Overcast OVC170 53.1 33.1 47% 30.08 1018.4
22 01:52 S 8 10.00 Mostly Cloudy BKN180 52 33.1 59 51.1 49% 30.1 1019.2
22 00:52 S 6 10.00 Mostly Cloudy FEW120 BKN180 52 33.1 49% 30.13 1020.3
21 23:52 S 7 10.00 Partly Cloudy SCT250 51.1 34 52% 30.15 1020.8
21 22:52 SE 10 10.00 Mostly Cloudy SCT180 BKN250 53.1 35.1 51% 30.16 1021.3
21 21:52 SE 8 10.00 Mostly Cloudy BKN160 BKN250 54 34 47% 30.17 1021.7
21 20:52 SE 10 10.00 Mostly Cloudy SCT160 BKN250 55.9 32 40% 30.16 1021.5
21 19:52 SE 6 10.00 Partly Cloudy FEW140 SCT250 59 27 63 57 29% 30.17 1021.6
21 18:52 S 10 10.00 A Few Clouds FEW250 61 26.1 26% 30.16 1021.3
21 17:52 S 13 10.00 A Few Clouds FEW250 62.1 24.1 23% 30.17 1021.6
21 16:52 Vrbl 6 10.00 A Few Clouds FEW180 FEW250 62.1 24.1 23% 30.19 1022.3
21 15:52 Vrbl 7 10.00 Partly Cloudy FEW160 SCT250 61 23 23% 30.23 1023.7
21 14:52 S 7 10.00 Partly Cloudy SCT250 59 21.9 24% 30.26 1024.8
21 13:52 S 8 G 17 10.00 A Few Clouds FEW250 57.9 21.9 57.9 37 25% 30.3 1026.2
21 12:52 S 9 10.00 Partly Cloudy SCT250 54 21 28% 30.34 1027.4
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)