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.
10 14:52 NW 20 G 31 10.00 Mostly Cloudy BKN065 48 21 34% 42 29.77 1008.0
10 13:52 NW 16 G 29 10.00 Partly Cloudy SCT055 46.9 23 39% 41 29.76 1007.6
10 12:52 NW 15 G 24 10.00 Mostly Cloudy SCT050 BKN130 48 25 51.1 41 41% 43 29.76 1007.8
10 11:52 NW 16 G 28 10.00 Mostly Cloudy SCT048 BKN090 46.9 25 42% 41 29.8 1009.0
10 10:52 NW 16 G 24 10.00 Mostly Cloudy FEW040 BKN090 46 27 47% 40 29.82 1009.8
10 09:52 NW 13 G 22 10.00 Mostly Cloudy FEW035 BKN090 44.1 28.9 55% 38 29.82 1009.9
10 08:52 NW 16 G 29 10.00 Mostly Cloudy SCT080 BKN095 44.1 28.9 55% 37 29.83 1010.1
10 07:52 NW 12 G 21 10.00 Mostly Cloudy SCT075 BKN090 42.1 28.9 60% 36 29.83 1009.9
10 06:52 NW 12 10.00 Mostly Cloudy SCT075 BKN095 41 28 52 41 60% 35 29.82 1009.7
10 05:52 NW 14 G 25 10.00 Mostly Cloudy BKN100 42.1 28.9 60% 35 29.82 1009.6
10 04:52 NW 16 G 25 10.00 Partly Cloudy SCT065 SCT095 43 28.9 58% 36 29.8 1009.2
10 03:52 NW 14 G 23 10.00 Partly Cloudy SCT065 SCT095 44.1 28.9 55% 38 29.79 1008.8
10 02:52 NW 16 G 24 10.00 Overcast BKN060 OVC090 48.9 33.1 55% 44 29.79 1008.5
10 01:52 NW 14 G 24 10.00 Overcast SCT100 OVC120 51.1 35.1 54% 29.77 1007.9
10 00:52 NW 13 G 23 10.00 Mostly Cloudy BKN095 BKN110 52 36 64 52 55% 29.78 1008.3 0.06
09 23:52 NW 8 10.00 Mostly Cloudy BKN100 54 39.9 59% 29.78 1008.4
09 22:52 NW 7 10.00 Overcast OVC090 54 45 72% 29.77 1008.0
09 21:52 N 6 10.00 Light Rain FEW025 BKN065 OVC100 55 46.9 74% 29.76 1007.7 0.01 0.06
09 20:52 NW 8 10.00 Light Rain SCT025 OVC065 55.9 46 70% 29.75 1007.3 0.05
09 19:52 NW 9 10.00 Overcast SCT025 BKN065 OVC100 59 46 62% 29.73 1006.5
09 18:52 N 8 10.00 Mostly Cloudy BKN070 BKN120 64 48 68 62.1 56% 29.71 1006.1
09 17:52 NW 5 10.00 Overcast BKN070 OVC100 62.1 57 84% 29.7 1005.7
09 16:52 SE 3 10.00 Overcast BKN085 OVC200 64 57 78% 29.68 1005.0
09 15:52 S 7 10.00 Overcast FEW060 BKN100 OVC200 64 55.9 75% 29.68 1005.0
09 14:52 SE 8 10.00 Mostly Cloudy FEW050 BKN250 68 55.9 65% 29.67 1004.7
09 13:52 Vrbl 6 10.00 Mostly Cloudy FEW050 SCT075 SCT120 BKN250 68 57 68% 29.68 1004.9
09 12:52 SE 9 10.00 Mostly Cloudy FEW009 FEW070 BKN250 66.9 55.9 66.9 51.1 68% 29.68 1004.8
09 11:52 S 6 10.00 Mostly Cloudy SCT007 BKN250 63 57 81% 29.71 1005.9
09 10:52 S 10 8.00 Mostly Cloudy BKN007 59 55.9 90% 29.74 1007.0
09 09:52 SE 6 10.00 Overcast OVC008 57 53.1 87% 29.77 1007.8
09 08:52 E 5 10.00 Overcast FEW008 OVC010 54 52 93% 29.79 1008.6
09 07:52 Calm 9.00 Overcast BKN014 OVC020 53.1 52 96% 29.8 1008.9
09 06:52 E 6 9.00 Mostly Cloudy FEW018 BKN050 BKN070 BKN130 BKN250 51.1 48.9 53.1 45 92% 29.79 1008.8 0.02 0.02
09 05:52 Calm 10.00 Overcast OVC060 46.9 46 97% 29.8 1009.1
09 04:52 Calm 10.00 Partly Cloudy SCT070 46 46 100% 29.81 1009.3
09 03:52 SE 3 10.00 Partly Cloudy SCT070 48.9 48 97% 29.82 1009.5
09 02:52 S 3 10.00 A Few Clouds FEW065 FEW190 48.9 46.9 93% 29.83 1010.1
09 01:52 S 6 10.00 Mostly Cloudy BKN190 52 48 86% 29.84 1010.4
09 00:52 S 7 10.00 Partly Cloudy FEW080 SCT190 53.1 48 61 53.1 83% 29.85 1010.6
08 23:52 S 7 10.00 Partly Cloudy SCT080 55 48 77% 29.85 1010.6
08 22:52 S 6 10.00 A Few Clouds FEW080 55 46.9 74% 29.85 1010.9
08 21:52 S 9 10.00 Fair CLR 59 46.9 64% 29.84 1010.5
08 20:52 S 7 10.00 Partly Cloudy SCT140 60.1 44.1 56% 29.84 1010.3
08 19:52 S 8 10.00 Partly Cloudy FEW100 SCT200 60.1 43 53% 29.84 1010.2
08 18:52 SE 6 10.00 A Few Clouds FEW120 FEW250 60.1 43 71.1 60.1 53% 29.84 1010.4
08 17:52 SE 7 10.00 Mostly Cloudy FEW070 SCT120 BKN250 62.1 42.1 48% 29.83 1010.1
08 16:52 S 3 10.00 Mostly Cloudy FEW070 BKN120 BKN250 64 42.1 45% 29.81 1009.4
08 15:52 S 5 10.00 Mostly Cloudy FEW070 BKN250 70 41 35% 29.8 1009.0
08 14:52 W 3 10.00 Mostly Cloudy FEW060 BKN250 69.1 41 36% 29.79 1008.7
08 13:52 NW 8 10.00 A Few Clouds FEW065 FEW250 70 42.1 37% 29.8 1008.8
08 12:52 W 7 10.00 A Few Clouds FEW055 FEW250 69.1 44.1 69.1 48 41% 29.81 1009.3
08 11:52 W 6 10.00 A Few Clouds FEW050 68 46 45% 29.82 1009.6
08 10:52 W 8 10.00 A Few Clouds FEW040 66 45 47% 29.84 1010.5
08 09:52 W 8 10.00 A Few Clouds FEW025 63 50 63% 29.83 1010.1
08 08:52 NW 6 10.00 Fair CLR 60.1 52 75% 29.82 1009.8
08 07:52 S 5 10.00 A Few Clouds FEW250 53.1 52 96% 29.8 1009.0
08 06:52 SW 5 8.00 Shallow Fog FEW250 48.9 48.9 55.9 48.9 100% 48 29.77 1008.1 0.02
08 05:52 S 3 8.00 A Few Clouds FEW250 52 52 100% 29.75 1007.1
08 04:52 S 6 10.00 A Few Clouds FEW075 FEW250 53.1 53.1 100% 29.71 1006.0
08 03:52 S 9 10.00 Overcast FEW045 SCT050 OVC075 55 54 96% 29.69 1005.4 0.02
08 02:52 SW 7 10.00 Overcast SCT050 BKN070 OVC085 55 54 96% 29.69 1005.3
08 01:52 SW 9 10.00 Light Rain SCT070 OVC085 55.9 53.1 90% 29.69 1005.3 0.02
08 00:52 S 10 9.00 Light Rain OVC080 55 53.1 62.1 54 93% 29.69 1005.4 0.09 0.24
07 23:52 S 9 7.00 Light Rain OVC080 55 52 90% 29.7 1005.5 0.1
07 22:52 S 7 8.00 Light Rain OVC080 55 51.1 87% 29.71 1006.0 0.05
07 21:52 S 9 10.00 Light Rain BKN090 BKN120 OVC180 59 48 67% 29.72 1006.2
07 20:52 S 10 10.00 Mostly Cloudy BKN080 BKN140 BKN220 60.1 46.9 62% 29.71 1006.1
07 19:52 S 10 10.00 Mostly Cloudy SCT085 SCT120 BKN180 BKN250 62.1 46.9 58% 29.71 1006.2
07 18:52 S 15 10.00 Overcast FEW080 BKN200 OVC250 62.1 46 64 61 56% 29.72 1006.3
07 17:52 S 16 G 23 10.00 Overcast BKN200 OVC250 62.1 42.1 48% 29.72 1006.5
07 16:52 S 15 G 24 10.00 Mostly Cloudy BKN180 BKN250 62.1 41 46% 29.74 1007.1
07 15:52 S 18 G 33 10.00 Mostly Cloudy SCT170 BKN250 63 39.9 43% 29.75 1007.4
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)