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.
23 07:52 S 6 3.00 Fog/Mist BKN002 66.9 66 66.9 64 97% 29.88 1011.5
23 06:52 Calm 8.00 Patches Fog FEW010 FEW110 SCT250 64.9 64.9 100% 29.85 1010.6
23 05:52 Calm 10.00 Partly Cloudy FEW012 SCT130 SCT250 64.9 64 97% 29.83 1009.9
23 04:52 Calm 10.00 Mostly Cloudy FEW012 BKN130 BKN250 66 64.9 96% 29.82 1009.5
23 03:52 S 3 10.00 Mostly Cloudy FEW012 BKN110 BKN250 66 64.9 96% 29.83 1009.8
23 02:52 NW 5 10.00 Mostly Cloudy FEW006 SCT120 BKN250 66.9 66 97% 29.83 1009.8
23 01:52 S 5 10.00 Overcast SCT130 OVC250 66.9 66 75 66.9 97% 29.84 1010.2 0.12
23 00:52 Calm 10.00 Overcast FEW015 SCT075 OVC200 68 66 93% 29.88 1011.6 0.01
22 23:52 S 3 10.00 Light Rain SCT017 BKN028 OVC080 68 66 93% 29.89 1011.7 0.01
22 22:52 S 5 8.00 Thunderstorm Light Rain SCT008 BKN012CB OVC034 72 70 94% 29.87 1011.3 0.1 0.1
22 21:52 S 5 10.00 Light Rain FEW036 SCT050 BKN100 OVC150 73 69.1 87% 29.91 1012.4
22 20:52 SE 10 G 22 10.00 Overcast FEW030 FEW050 SCT100 BKN150 OVC180 73.9 68 82% 29.89 1011.8
22 19:52 SE 10 10.00 Mostly Cloudy FEW030 FEW050 SCT100 BKN180 BKN250 75 68 80.1 75 79% 76 29.88 1011.4
22 18:52 E 9 10.00 Partly Cloudy FEW024 FEW035 FEW050 SCT180 SCT250 75.9 68 77% 77 29.88 1011.5
22 17:52 E 9 10.00 Mostly Cloudy SCT026 BKN034 BKN043 BKN250 78.1 69.1 74% 80 29.89 1012.0
22 16:52 E 7 10.00 Mostly Cloudy FEW023 SCT028 BKN043 78.1 68 71% 80 29.9 1012.2
22 15:52 E 7 10.00 Mostly Cloudy FEW028 BKN045 BKN055 79 69.1 72% 82 29.92 1013.0
22 14:52 Vrbl 7 10.00 Mostly Cloudy SCT023 BKN030 BKN047 BKN250 78.1 68 71% 80 29.95 1013.9
22 13:52 E 6 10.00 Mostly Cloudy BKN019 BKN031 BKN055 77 68 78.1 70 74% 79 29.98 1014.8
22 12:52 E 9 10.00 Overcast BKN019 BKN027 OVC033 73.9 68 82% 29.99 1015.2
22 11:52 E 7 10.00 Mostly Cloudy FEW015 BKN024 BKN033 73 68 84% 30.01 1015.9
22 10:52 E 7 10.00 Mostly Cloudy BKN017 73 68 84% 30.01 1016.1
22 09:52 E 6 10.00 Mostly Cloudy SCT013 BKN020 BKN130 73 66.9 81% 30.02 1016.3
22 08:52 E 8 10.00 Mostly Cloudy FEW015 SCT021 BKN040 BKN130 70 66 87% 30.02 1016.4
22 07:52 SE 5 10.00 Mostly Cloudy FEW008 FEW025 BKN041 BKN130 70 66 70 66 87% 30.03 1016.8
22 06:52 Calm 10.00 Mostly Cloudy FEW027 BKN041 BKN070 BKN130 69.1 66 90% 30.02 1016.3
22 05:52 S 5 10.00 Overcast FEW020 BKN042 OVC120 69.1 66 90% 30.01 1015.9
22 04:52 SE 3 10.00 Overcast FEW037 BKN044 OVC120 68 64 87% 30 1015.7
22 03:52 Calm 10.00 Overcast OVC046 66.9 64 91% 30.01 1016.0
22 02:52 Calm 10.00 Mostly Cloudy FEW048 BKN080 BKN250 66 62.1 87% 30.01 1015.9
22 01:52 Calm 10.00 Mostly Cloudy SCT050 BKN250 66 62.1 75.9 66 87% 30.02 1016.4
22 00:52 Calm 10.00 Mostly Cloudy FEW100 BKN250 69.1 62.1 78% 30.03 1016.7
21 23:52 Calm 10.00 Mostly Cloudy BKN065 BKN250 66.9 62.1 84% 30.05 1017.2
21 22:52 Calm 10.00 Mostly Cloudy FEW100 FEW150 BKN250 66.9 59 76% 30.06 1017.7
21 21:52 Calm 10.00 Mostly Cloudy SCT150 BKN250 66.9 60.1 79% 30.06 1017.6
21 20:52 Calm 10.00 Partly Cloudy FEW120 SCT250 70 59 68% 30.06 1017.8
21 19:52 Calm 10.00 Mostly Cloudy SCT120 BKN250 75 61 82 73.9 62% 77 30.05 1017.2
21 18:52 Calm 10.00 Mostly Cloudy SCT120 BKN250 75.9 55.9 50% 78 30.05 1017.3
21 17:52 NE 5 10.00 Mostly Cloudy SCT120 BKN250 77 52 42% 78 30.04 1017.0
21 16:52 NE 6 10.00 Mostly Cloudy BKN120 BKN250 80.1 54 41% 80 30.02 1016.4
21 15:52 Vrbl 6 10.00 Mostly Cloudy FEW120 BKN250 80.1 55 42% 80 30.06 1017.5
21 14:52 Vrbl 6 10.00 Mostly Cloudy FEW034 FEW120 BKN250 80.1 53.1 39% 80 30.09 1018.6
21 13:52 Vrbl 3 10.00 Partly Cloudy FEW044 FEW120 SCT250 78.1 54 79 66.9 43% 79 30.1 1019.0
21 12:52 Vrbl 6 10.00 Partly Cloudy FEW030 FEW120 SCT250 77 55.9 48% 79 30.11 1019.4
21 11:52 W 5 10.00 Mostly Cloudy FEW025 FEW120 BKN250 75.9 57.9 54% 78 30.13 1020.1
21 10:52 N 7 10.00 Mostly Cloudy FEW025 FEW120 BKN250 73.9 57.9 57% 30.14 1020.3
21 09:52 N 7 10.00 Mostly Cloudy FEW028 SCT110 BKN250 71.1 60.1 68% 30.13 1019.9
21 08:52 N 8 10.00 Mostly Cloudy FEW030 SCT100 BKN250 69.1 59 70% 30.12 1019.6
21 07:52 N 8 10.00 Partly Cloudy FEW120 SCT250 66.9 59 69.1 64.9 76% 30.12 1019.7
21 06:52 N 10 10.00 A Few Clouds FEW120 FEW250 64.9 57.9 78% 30.11 1019.4
21 05:52 N 9 10.00 A Few Clouds FEW120 66 59 78% 30.09 1018.5
21 04:52 N 8 10.00 Fair CLR 66 60.1 81% 30.07 1018.0
21 03:52 N 6 10.00 Fair CLR 66.9 61 81% 30.07 1017.8
21 02:52 N 7 10.00 A Few Clouds FEW085 68 62.1 81% 30.05 1017.4
21 01:52 N 8 10.00 Overcast OVC090 69.1 61 73 68 76% 30.05 1017.4
21 00:52 N 13 10.00 Overcast OVC090 69.1 61 76% 30.06 1017.6
20 23:52 N 15 G 25 10.00 Overcast FEW070 OVC090 70 61 73% 30.05 1017.3
20 22:52 N 14 G 24 10.00 Mostly Cloudy FEW049 BKN100 70 61 73% 30.05 1017.2
20 21:52 N 14 10.00 Mostly Cloudy BKN150 72 61 68% 30.04 1016.9
20 20:52 N 10 10.00 Mostly Cloudy SCT120 BKN180 72 61 68% 30.01 1016.0
20 18:52 NW 14 G 23 10.00 Mostly Cloudy FEW090 BKN110 BKN250 79 68 69% 81 29.94 1013.7
20 17:52 NW 9 G 24 10.00 Mostly Cloudy FEW040 BKN110 BKN250 82 70 67% 86 29.93 1013.0 0.16
20 16:52 SW 5 G 17 1.50 Heavy Rain Fog/Mist SCT018 BKN045 BKN120 BKN250 75 71.1 88% 75 29.9 1012.1 0.48 0.48
20 15:52 NW 6 10.00 Mostly Cloudy SCT040 BKN050 BKN120 BKN250 81 69.1 67% 84 29.88 1011.5
20 14:52 SW 12 G 21 10.00 Mostly Cloudy FEW030 SCT075 BKN140 BKN250 87.1 73.9 65% 95 29.89 1011.7
20 13:52 SW 12 10.00 Mostly Cloudy FEW030 BKN140 BKN250 84 73 87.1 75 70% 90 29.93 1013.3
20 12:52 S 10 10.00 Mostly Cloudy FEW018 SCT065 BKN110 BKN250 84.9 73 68% 92 29.95 1013.9
20 11:52 S 7 10.00 Mostly Cloudy FEW017 BKN060 BKN110 81 73.9 79% 86 29.96 1014.2
20 10:52 S 5 10.00 Mostly Cloudy FEW017 BKN060 BKN120 79 72 79% 82 29.97 1014.4
20 09:52 SE 3 10.00 Overcast OVC110 78.1 72 82% 80 29.97 1014.5
20 08:52 SE 5 10.00 Overcast OVC110 77 69.1 77% 79 29.97 1014.4
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)