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.
01 13:52 NW 9 10.00 Mostly Cloudy FEW050 BKN220 30 1 29% 22 29.91 1013.0
01 12:52 NW 16 G 22 10.00 Partly Cloudy FEW045 SCT110 SCT250 30 1 30.9 26.1 29% 19 29.93 1013.8
01 11:52 NW 22 G 33 10.00 A Few Clouds and Breezy FEW050 FEW200 28 -0 29% 15 29.92 1013.4
01 10:52 NW 15 G 26 10.00 A Few Clouds FEW055 FEW220 27 -0.9 29% 16 29.94 1014.2
01 09:52 NW 16 G 28 10.00 A Few Clouds FEW055 26.1 -0.9 31% 14 29.93 1013.9
01 08:52 N 16 G 28 10.00 A Few Clouds FEW065 FEW110 26.1 3.9 38% 14 29.9 1012.8
01 07:52 NW 12 G 25 10.00 Mostly Cloudy BKN065 BKN110 27 12.9 55% 17 29.84 1010.6
01 06:52 NW 20 G 30 10.00 Overcast FEW033 OVC055 30.9 19 35.1 30 61% 20 29.78 1008.8 0.01
01 05:52 N 17 G 25 6.00 Fog/Mist SCT011 BKN033 OVC050 30.9 23 72% 20 29.74 1007.2 0.01
01 04:52 S 7 10.00 Mostly Cloudy BKN060 BKN070 32 23 69% 26 29.64 1003.8
01 03:52 SW 8 10.00 Overcast OVC050 35.1 23 61% 29 29.64 1004.0
01 02:52 SW 8 10.00 Mostly Cloudy BKN060 32 21.9 66% 25 29.63 1003.6
01 01:52 S 9 10.00 Overcast OVC060 34 21.9 61% 27 29.65 1004.1
01 00:52 S 7 10.00 Overcast OVC055 34 21.9 35.1 34 61% 29 29.66 1004.6
31 23:52 SW 5 10.00 Overcast OVC050 34 21.9 61% 30 29.69 1005.6
31 22:52 S 5 10.00 Overcast OVC047 34 21 59% 30 29.71 1006.2
31 21:52 SW 6 10.00 Overcast OVC048 34 21 59% 29 29.72 1006.7
31 20:52 S 7 10.00 Overcast OVC049 35.1 19.9 54% 30 29.74 1007.3
31 19:52 S 7 10.00 Overcast BKN050 OVC070 35.1 19.9 54% 30 29.76 1008.0
31 18:52 S 7 10.00 Overcast BKN050 OVC070 35.1 19 35.1 33.1 52% 30 29.8 1009.2
31 17:52 S 6 10.00 Overcast OVC050 35.1 17.1 48% 31 29.81 1009.8
31 16:52 SW 7 10.00 Overcast OVC050 35.1 16 46% 30 29.82 1010.1
31 15:52 SW 9 10.00 Overcast OVC049 35.1 15.1 44% 29 29.83 1010.3
31 14:52 SW 10 10.00 Overcast OVC050 35.1 14 42% 28 29.83 1010.5
31 13:52 SW 8 10.00 Overcast OVC048 34 12.9 42% 28 29.85 1011.0
31 12:52 SW 7 10.00 Overcast OVC048 33.1 12 33.1 19 42% 28 29.88 1012.0
31 11:52 SW 8 G 18 10.00 Mostly Cloudy BKN050 BKN090 BKN220 32 10.9 41% 25 29.9 1012.9
31 10:52 W 8 10.00 Mostly Cloudy BKN050 BKN100 BKN250 30.9 10 42% 24 29.94 1014.1
31 09:52 S 7 10.00 Mostly Cloudy FEW045 BKN090 BKN220 30.9 10.9 43% 25 29.96 1014.9
31 08:52 S 3 10.00 Mostly Cloudy FEW100 BKN220 21.9 10 60% 29.97 1015.1
31 07:52 Calm 10.00 Mostly Cloudy BKN200 21.9 10 60% 29.95 1014.7
31 06:52 Calm 10.00 Overcast BKN050 BKN140 OVC220 19.9 10 25 19 65% 29.96 1015.0
31 05:52 Calm 10.00 Mostly Cloudy FEW060 BKN200 19.9 9 62% 29.95 1014.6
31 04:52 Calm 10.00 Overcast SCT110 OVC200 24.1 9 52% 29.94 1014.1
31 03:52 Calm 10.00 Mostly Cloudy FEW075 SCT095 BKN110 24.1 10.9 57% 29.94 1014.0
31 02:52 SW 3 10.00 Overcast BKN085 OVC100 25 9 50% 29.94 1014.2
31 01:52 S 6 10.00 Overcast OVC130 24.1 9 52% 18 29.94 1014.2
31 00:52 W 7 10.00 Partly Cloudy SCT190 24.1 9 27 21 52% 17 29.95 1014.3
30 23:52 W 5 10.00 Partly Cloudy SCT190 21.9 8.1 55% 16 29.96 1014.8
30 22:52 Calm 10.00 A Few Clouds FEW049 21.9 8.1 55% 29.98 1015.5
30 21:52 W 9 10.00 A Few Clouds FEW050 23 8.1 53% 14 29.97 1015.1
30 20:52 W 8 G 17 10.00 A Few Clouds FEW050 26.1 8.1 46% 18 29.96 1014.6
30 19:52 W 15 10.00 Partly Cloudy SCT050 26.1 8.1 46% 15 29.96 1014.6
30 18:52 NW 8 10.00 A Few Clouds FEW055 27 8.1 35.1 27 45% 19 29.96 1014.8
30 17:52 W 16 10.00 A Few Clouds FEW055 27 8.1 45% 16 29.94 1014.0
30 16:52 W 20 G 37 10.00 A Few Clouds FEW055 28.9 8.1 41% 17 29.92 1013.5
30 15:52 NW 13 G 25 10.00 Partly Cloudy SCT055 32 8.1 36% 23 29.92 1013.4
30 14:52 NW 16 G 26 10.00 Partly Cloudy SCT050 30.9 9 40% 21 29.9 1012.8
30 13:52 W 23 G 32 10.00 Partly Cloudy and Breezy SCT050 34 9 35% 23 29.9 1012.6
30 12:52 W 20 G 38 10.00 Mostly Cloudy BKN060 33.1 9 35.1 28.9 36% 22 29.91 1013.0
30 11:52 W 25 G 36 10.00 Mostly Cloudy and Breezy BKN050 30.9 10 42% 18 29.92 1013.4
30 10:52 NW 26 G 41 10.00 Overcast and Windy OVC050 30 10 43% 17 29.94 1014.2
30 09:52 NW 29 10.00 Mostly Cloudy and Windy BKN050 30 10 43% 16 29.93 1013.9
30 08:52 NW 23 G 31 10.00 Mostly Cloudy and Breezy BKN050 30 10 43% 17 29.93 1013.6
30 07:52 NW 20 G 40 10.00 Mostly Cloudy BKN049 28.9 10 45% 17 29.9 1012.9
30 06:52 NW 23 G 41 10.00 Overcast and Breezy OVC048 28.9 10.9 30 28.9 47% 16 29.88 1012.2
30 05:52 NW 24 G 36 10.00 Overcast and Breezy OVC050 28.9 10.9 47% 16 29.87 1011.6
30 04:52 NW 29 G 40 10.00 Overcast and Windy OVC049 28.9 10 45% 15 29.85 1011.0
30 03:52 NW 24 G 39 10.00 Overcast and Breezy OVC048 28.9 10 45% 16 29.84 1010.8
30 02:52 NW 24 G 44 10.00 Overcast and Breezy OVC047 28.9 10 45% 16 29.84 1010.7
30 01:52 NW 26 G 37 10.00 Overcast and Windy OVC050 30 10 43% 17 29.83 1010.1
30 00:52 NW 20 G 31 10.00 Overcast OVC050 30 10 35.1 30 43% 18 29.83 1010.1
29 23:52 NW 25 G 41 10.00 Mostly Cloudy and Breezy BKN050 30.9 10.9 43% 18 29.83 1010.0
29 22:52 W 20 G 36 10.00 Partly Cloudy SCT055 30 10.9 45% 18 29.81 1009.6
29 21:52 W 31 G 44 10.00 Mostly Cloudy and Windy BKN055 30.9 12 45% 17 29.78 1008.6
29 20:52 NW 24 G 39 10.00 Mostly Cloudy and Breezy BKN050 32 12 43% 20 29.78 1008.4
29 19:52 NW 23 G 45 10.00 Partly Cloudy and Breezy SCT055 32 10.9 41% 20 29.77 1008.1
29 18:52 NW 22 G 43 10.00 Mostly Cloudy and Breezy BKN055 35.1 12.9 55.9 35.1 40% 24 29.72 1006.5
29 17:52 NW 22 G 31 10.00 Mostly Cloudy and Breezy SCT055 BKN075 37 15.1 41% 27 29.68 1005.1
29 16:52 W 26 G 43 10.00 Partly Cloudy and Windy FEW075 SCT250 39.9 15.1 36% 30 29.62 1003.2
29 15:52 NW 28 G 41 10.00 Partly Cloudy and Windy FEW070 SCT250 46 14 27% 38 29.57 1001.4
29 14:52 W 32 G 44 10.00 Partly Cloudy and Windy FEW070 SCT250 48.9 12.9 23% 41 29.52 999.7
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)