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.
16 17:52 W 16 G 26 10.00 Overcast FEW060 BKN075 BKN130 OVC250 79 55 44% 80 30.01 1015.9
16 16:52 SW 14 10.00 Mostly Cloudy FEW060 SCT080 BKN130 BKN250 84 53.1 34% 83 29.99 1015.3
16 15:52 S 13 G 24 10.00 Partly Cloudy FEW090 FEW180 SCT250 82.9 51.1 33% 81 30 1015.8
16 14:52 S 9 10.00 A Few Clouds FEW075 FEW250 82 48.9 32% 81 30.01 1016.1
16 13:52 S 14 G 21 10.00 A Few Clouds FEW075 FEW250 81 46 81 57.9 29% 80 30.03 1016.9
16 12:52 S 6 G 18 10.00 Partly Cloudy FEW075 SCT250 77 48.9 37% 78 30.07 1017.9
16 11:52 Vrbl 6 10.00 A Few Clouds FEW250 73.9 50 43% 30.08 1018.5
16 10:52 S 6 10.00 A Few Clouds FEW250 71.1 51.1 49% 30.1 1019.2
16 09:52 SW 6 10.00 A Few Clouds FEW070 FEW250 66.9 48.9 53% 30.12 1019.8
16 08:52 SW 6 10.00 Fair CLR 63 48.9 60% 30.12 1019.9
16 07:52 S 5 10.00 Fair CLR 57.9 48.9 57.9 45 72% 30.13 1020.0
16 06:52 Calm 10.00 A Few Clouds FEW050 FEW130 48.9 46.9 93% 30.12 1019.9
16 05:52 SE 3 10.00 A Few Clouds FEW050 46 45 96% 30.1 1019.3
16 03:52 Calm 10.00 Fair CLR 46.9 45 93% 30.08 1018.4
16 02:52 Calm 10.00 Fair CLR 48.9 46 90% 30.08 1018.6
16 01:52 Calm 10.00 A Few Clouds FEW180 51.1 46 70 51.1 83% 30.09 1018.9
16 00:52 Calm 10.00 Partly Cloudy SCT180 54 46.9 77% 30.09 1018.7
15 23:52 Calm 10.00 Partly Cloudy SCT180 53.1 46.9 80% 30.08 1018.4
15 22:52 Calm 10.00 Partly Cloudy SCT250 55 46.9 74% 30.08 1018.4
15 21:52 Calm 10.00 Partly Cloudy SCT250 57.9 46 65% 30.07 1018.1
15 20:52 Calm 10.00 Mostly Cloudy BKN140 BKN250 59 46 62% 30.03 1017.0
15 19:52 N 5 10.00 Mostly Cloudy FEW100 BKN140 BKN250 70 43 73 66.9 38% 30.01 1016.1
15 18:52 N 6 10.00 Mostly Cloudy FEW100 BKN140 BKN250 72 43 35% 29.99 1015.5
15 17:52 N 8 10.00 Mostly Cloudy FEW065 BKN140 BKN250 73 43 34% 29.99 1015.3
15 16:52 W 7 10.00 Mostly Cloudy FEW065 SCT140 BKN250 71.1 43 36% 29.99 1015.3
15 15:52 W 8 G 17 10.00 A Few Clouds FEW060 FEW250 70 43 38% 29.98 1015.2
15 14:52 NW 9 G 24 10.00 A Few Clouds FEW055 FEW250 69.1 43 39% 30 1015.8
15 13:52 W 14 G 21 10.00 Partly Cloudy SCT050 66.9 42.1 66.9 55 41% 30.02 1016.6
15 12:52 NW 12 G 22 10.00 Mostly Cloudy FEW047 BKN250 64.9 43 45% 30.02 1016.5
15 11:52 NW 8 10.00 Mostly Cloudy BKN044 BKN250 62.1 42.1 48% 30.02 1016.3
15 10:52 NW 14 G 24 10.00 A Few Clouds FEW040 61 42.1 50% 30.01 1016.2
15 09:52 NW 14 G 22 10.00 Partly Cloudy SCT039 57 41 55% 30.01 1016.0
15 07:52 NW 13 G 23 10.00 Mostly Cloudy SCT040 BKN090 55.9 41 55.9 52 57% 29.99 1015.4
15 06:52 NW 9 10.00 Mostly Cloudy BKN038 BKN085 54 41 62% 29.96 1014.5
15 04:52 NW 6 10.00 Overcast OVC041 53.1 41 64% 29.91 1012.7
15 03:52 NW 7 10.00 Overcast BKN041 OVC050 53.1 42.1 66% 29.91 1012.7
15 02:52 NW 3 10.00 Overcast OVC040 53.1 42.1 66% 29.91 1012.6
15 01:52 W 5 10.00 Overcast OVC043 52 42.1 55.9 51.1 69% 29.91 1012.8
15 00:52 W 9 10.00 Mostly Cloudy FEW043 BKN070 52 41 66% 29.93 1013.4
14 23:52 NW 7 10.00 Overcast OVC047 53.1 41 64% 29.93 1013.4
14 22:52 NW 12 10.00 Overcast SCT040 OVC047 54 41 62% 29.93 1013.4
14 21:52 NW 12 G 23 10.00 Overcast OVC042 54 39.9 59% 29.93 1013.3
14 20:52 NW 16 G 30 10.00 Overcast OVC044 55 39.9 57% 29.9 1012.4
14 19:52 W 15 10.00 Overcast OVC047 55.9 39.9 63 55.9 55% 29.88 1011.8
14 18:52 NW 10 10.00 Mostly Cloudy FEW030 BKN060 BKN085 57 39.9 53% 29.87 1011.3
14 17:52 NW 17 G 26 10.00 Overcast BKN055 OVC085 57.9 39.9 51% 29.85 1010.8
14 16:52 NW 17 G 29 10.00 Mostly Cloudy BKN055 BKN070 59 39.9 49% 29.85 1010.7
14 15:52 NW 17 G 25 10.00 Mostly Cloudy BKN065 60.1 39 46% 29.84 1010.5
14 14:52 NW 14 G 23 10.00 Mostly Cloudy BKN050 BKN080 62.1 39.9 44% 29.85 1010.8
14 13:52 NW 16 G 31 10.00 Mostly Cloudy BKN045 BKN080 57.9 39 61 53.1 50% 29.86 1011.0
14 12:52 NW 18 G 29 10.00 Mostly Cloudy BKN042 BKN080 57 39.9 53% 29.86 1011.1
14 11:52 NW 16 G 29 10.00 Mostly Cloudy BKN047 BKN080 61 42.1 50% 29.85 1010.8
14 10:52 NW 14 G 28 10.00 Mostly Cloudy SCT040 BKN080 BKN250 60.1 42.1 52% 29.85 1010.8
14 09:52 NW 17 G 26 10.00 Mostly Cloudy SCT032 BKN080 59 43 56% 29.85 1010.9
14 08:52 N 13 G 23 10.00 Partly Cloudy FEW025 SCT050 SCT080 55.9 44.1 65% 29.85 1010.8
14 07:52 NW 10 10.00 Mostly Cloudy SCT050 BKN070 BKN090 53.1 48 55 52 83% 29.84 1010.3 0.04
14 06:52 NW 7 10.00 Mostly Cloudy BKN050 BKN080 BKN110 53.1 48.9 86% 29.82 1009.7
14 05:52 NW 3 10.00 Partly Cloudy FEW085 SCT110 52 51.1 97% 29.8 1009.0
14 03:52 N 8 10.00 Overcast SCT060 OVC085 55 51.1 87% 29.79 1008.6
14 02:52 NW 6 7.00 Mostly Cloudy FEW070 BKN120 54 53.1 97% 29.8 1008.8
14 01:52 W 3 7.00 Mostly Cloudy FEW060 SCT070 BKN110 53.1 52 64.9 52 96% 29.81 1009.2 0.4
14 00:52 Calm 10.00 A Few Clouds FEW110 55 53.1 93% 29.81 1009.2
13 23:52 S 3 10.00 Mostly Cloudy BKN100 BKN120 55 54 96% 29.82 1009.6
13 22:52 S 5 10.00 Overcast OVC100 55.9 54 93% 29.82 1009.7 0.03 0.4
13 21:52 S 3 8.00 Rain FEW022 BKN050 BKN070 OVC140 55 53.1 93% 29.82 1009.6 0.29
13 20:52 NW 12 G 21 5.00 Thunderstorm Heavy Rain SCT030 BKN050CB BKN100 BKN150 59 52 78% 29.83 1009.9 0.08
13 19:52 SW 7 10.00 Mostly Cloudy FEW035 SCT070 BKN130 BKN160 BKN250 64 54 73.9 64 70% 29.77 1007.9 0.01
13 18:52 S 12 10.00 Mostly Cloudy FEW032 FEW085 SCT140 BKN150 BKN250 66 55 68% 29.76 1007.8
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)