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.
28 13:52 NW 20 G 32 10.00 Mostly Cloudy BKN060 39.9 14 35% 31 30.18 1022.1
28 12:52 W 22 G 31 10.00 Mostly Cloudy and Breezy BKN055 39.9 12.9 41 30.9 33% 31 30.17 1021.8
28 11:52 NW 18 G 30 10.00 Mostly Cloudy SCT048 BKN055 39.9 14 35% 31 30.16 1021.4
28 10:52 NW 22 G 33 10.00 Mostly Cloudy and Breezy FEW040 BKN055 39 15.1 38% 29 30.16 1021.4
28 09:52 W 26 G 37 10.00 Partly Cloudy and Windy SCT045 36 16 44% 24 30.14 1020.9
28 08:52 W 21 G 30 10.00 A Few Clouds and Breezy FEW040 35.1 16 46% 25 30.13 1020.4
28 07:52 W 7 10.00 A Few Clouds FEW060 32 12.9 45% 26 30.13 1020.5
28 06:52 W 8 10.00 A Few Clouds FEW060 30.9 12 35.1 30.9 45% 24 30.12 1020.0
28 05:52 W 8 10.00 A Few Clouds FEW060 32 12 43% 25 30.09 1019.0
28 04:52 W 12 G 18 10.00 Fair CLR 32 10.9 41% 24 30.07 1018.4
28 03:52 W 7 10.00 Mostly Cloudy BKN065 32 12.9 45% 26 30.07 1018.3
28 02:52 W 17 G 30 10.00 A Few Clouds FEW060 33.1 14 45% 23 30.07 1018.4
28 01:52 W 7 10.00 A Few Clouds FEW060 33.1 16 49% 28 30.07 1018.3
28 00:52 W 13 G 23 10.00 Mostly Cloudy BKN060 34 15.1 37 33.1 46% 26 30.05 1017.8
27 23:52 W 14 G 22 10.00 Mostly Cloudy BKN060 35.1 12.9 40% 27 30.06 1018.1
27 22:52 NW 21 G 32 10.00 Overcast and Breezy OVC060 36 12.9 39% 26 30.06 1018.3
27 21:52 W 14 G 22 10.00 Mostly Cloudy BKN060 36 16 44% 28 30.07 1018.4
27 20:52 NW 20 G 26 10.00 Mostly Cloudy BKN055 36 18 48% 26 30.07 1018.5
27 19:52 NW 17 G 29 10.00 Mostly Cloudy BKN060 BKN250 37 16 42% 28 30.07 1018.6
27 18:52 NW 14 G 23 10.00 Mostly Cloudy SCT060 SCT110 BKN250 37 18 41 37 46% 29 30.08 1018.7
27 17:52 NW 10 10.00 Mostly Cloudy FEW055 BKN110 BKN250 37 19 48% 30 30.07 1018.6
27 16:52 NW 15 G 24 10.00 Mostly Cloudy SCT055 BKN110 BKN250 37.9 18 44% 30 30.06 1018.1
27 15:52 NW 13 G 22 10.00 Mostly Cloudy SCT055 BKN110 BKN250 39.9 18 41% 33 30.05 1017.8
27 14:52 NW 15 10.00 Mostly Cloudy SCT055 BKN110 BKN250 41 18 39% 34 30.04 1017.2
27 13:52 W 16 10.00 Overcast FEW055 SCT120 BKN160 OVC200 41 19 41% 33 30.03 1017.1
27 12:52 NW 15 G 22 10.00 Overcast FEW055 BKN170 OVC220 41 18 44.1 35.1 39% 34 30.04 1017.3
27 11:52 NW 16 10.00 Mostly Cloudy FEW050 BKN140 BKN220 41 19 41% 33 30.04 1017.4
27 10:52 NW 17 G 25 10.00 Mostly Cloudy FEW055 SCT140 BKN200 BKN250 43 19.9 40% 36 30.05 1017.6
27 09:52 NW 12 G 21 10.00 Mostly Cloudy FEW050 FEW120 SCT180 BKN250 44.1 19.9 38% 39 30.04 1017.3
27 08:52 W 16 G 23 10.00 Mostly Cloudy FEW210 BKN250 42.1 19 40% 35 30.02 1016.8
27 07:52 W 7 10.00 Mostly Cloudy FEW060 FEW120 BKN250 41 21 45% 37 30.03 1017.0
27 06:52 Calm 10.00 Partly Cloudy FEW060 FEW130 SCT220 37.9 19 44.1 37.9 46% 30.02 1016.6
27 05:52 W 7 10.00 Partly Cloudy SCT220 39 19 45% 35 30.01 1016.2
27 04:52 W 8 10.00 Overcast FEW060 OVC220 39.9 19.9 45% 35 30 1016.0
27 03:52 W 8 10.00 Overcast FEW060 OVC220 42.1 19 40% 38 29.99 1015.3
27 02:52 W 13 G 24 10.00 Overcast FEW060 OVC250 43 19 38% 37 29.99 1015.4
27 01:52 W 8 G 17 10.00 Overcast FEW010 OVC250 43 21 42% 39 29.98 1015.1
27 00:52 W 22 G 35 10.00 Fair and Breezy CLR 44.1 21 57.9 44.1 40% 36 29.96 1014.4
26 23:52 W 16 G 28 10.00 Fair CLR 46 21.9 38% 40 29.95 1014.2
26 22:52 NW 10 G 21 10.00 Fair CLR 46.9 26.1 44% 43 29.94 1013.7
26 21:52 NW 18 G 31 10.00 Fair CLR 48 28 46% 42 29.9 1012.4
26 20:52 NW 23 G 38 10.00 Fair and Breezy CLR 50 30 46% 44 29.86 1011.0
26 19:52 NW 13 G 26 10.00 A Few Clouds FEW070 55.9 37 49% 29.81 1009.3
26 18:52 NW 14 10.00 Partly Cloudy SCT065 57 42.1 72 57 58% 29.79 1008.7
26 17:52 NW 22 G 33 10.00 Mostly Cloudy and Breezy BKN065 61 46.9 60% 29.76 1007.7
26 16:52 W 3 10.00 Mostly Cloudy BKN065 BKN100 62.1 48.9 62% 29.73 1006.5
26 15:52 W 8 10.00 Mostly Cloudy BKN055 BKN090 68 50 53% 29.71 1005.9
26 14:52 SW 14 G 25 10.00 Mostly Cloudy SCT050 BKN075 70 51.1 51% 29.7 1005.6
26 13:52 SW 12 10.00 Mostly Cloudy SCT046 BKN075 70 52 53% 29.71 1005.9
26 12:52 S 10 10.00 Partly Cloudy SCT030 SCT070 69.1 55.9 69.1 55 63% 29.73 1006.8
26 11:52 S 7 10.00 A Few Clouds FEW020 FEW070 66 57 73% 29.77 1007.8
26 10:52 S 7 10.00 Mostly Cloudy SCT008 BKN070 61 55.9 84% 29.81 1009.3
26 09:52 S 5 4.00 Fog/Mist BKN007 57 55 93% 29.84 1010.5
26 08:52 Vrbl 7 2.00 Fog/Mist OVC003 55.9 55 97% 29.85 1010.9
26 07:52 S 12 2.00 Fog/Mist OVC003 55 54 96% 29.85 1010.6
26 06:52 SW 12 G 21 10.00 Overcast OVC005 55 54 55 50 96% 29.84 1010.6 0.01
26 05:52 S 9 10.00 Mostly Cloudy BKN008 BKN090 54 53.1 97% 29.84 1010.5
26 04:52 S 8 10.00 Partly Cloudy SCT080 54 52 93% 29.85 1010.9
26 03:52 S 13 10.00 Partly Cloudy SCT045 SCT055 SCT070 54 52 93% 29.86 1011.2 0.01 0.01
26 02:52 S 9 7.00 Light Rain BKN050 OVC065 52 51.1 97% 29.89 1012.1
26 01:52 S 10 10.00 Light Rain BKN065 OVC080 51.1 48.9 92% 29.89 1012.1
26 00:52 S 8 10.00 Overcast OVC060 50 48 50 43 93% 47 29.91 1012.8
25 23:52 S 5 10.00 Overcast OVC070 48.9 46.9 93% 48 29.92 1013.3
25 22:52 S 5 6.00 Fog/Mist BKN100 45 45 100% 43 29.94 1013.7
25 21:52 Calm 9.00 A Few Clouds FEW025 45 44.1 97% 29.95 1014.1
25 20:52 S 5 7.00 A Few Clouds FEW032 46 46 100% 44 29.96 1014.6
25 19:52 SE 5 9.00 Partly Cloudy FEW025 SCT033 48 46.9 96% 47 29.98 1015.1
25 18:52 SE 5 10.00 Overcast SCT025 BKN037 OVC045 50 48 54 48.9 93% 49 29.99 1015.6 0.02 0.12
25 17:52 SE 3 7.00 Light Rain FEW016 SCT023 OVC032 48.9 48 97% 30 1015.9 0.04
25 16:52 Calm 7.00 Light Rain BKN034 OVC050 48.9 46.9 93% 30.01 1016.2 0.06
25 15:52 SE 5 10.00 Light Rain FEW040 SCT055 OVC140 53.1 43 69% 30.01 1016.4
25 14:52 S 8 10.00 Overcast BKN055 BKN065 OVC140 54 43 67% 30.03 1016.9
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)