Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
02 13:52 N 15 16.09 Mostly Cloudy SCT060 SCT080 BKN190 BKN250 15 0 15 8.3 36% 76.05 1013.6
02 12:52 N 15 G 31 16.09 Mostly Cloudy FEW060 BKN190 BKN250 13.9 -1.1 36% 76.07 1014.0
02 11:52 Vrbl 9 16.09 Mostly Cloudy FEW055 BKN180 BKN250 12.2 -1.1 40% 76.12 1014.7
02 10:52 N 17 G 30 16.09 Mostly Cloudy FEW060 BKN180 BKN250 11.7 0 45% 76.12 1014.8
02 09:52 N 17 G 31 16.09 Mostly Cloudy FEW060 BKN190 BKN250 10.6 1.1 52% 76.1 1014.5
02 08:52 N 22 16.09 Mostly Cloudy SCT180 BKN250 9.4 0.6 55% 7 76.1 1014.5
02 07:52 NW 26 G 41 16.09 Mostly Cloudy FEW120 BKN250 8.3 0.6 12.8 8.3 59% 5 76.12 1014.7
02 06:52 N 24 G 44 16.09 Mostly Cloudy FEW070 FEW120 BKN250 8.3 0 56% 5 76.1 1014.4
02 05:52 NW 22 G 41 16.09 Mostly Cloudy FEW050 BKN250 9.4 1.1 56% 7 76.05 1013.8
02 04:52 NW 22 G 39 16.09 Mostly Cloudy SCT070 BKN250 10 2.2 59% 7 76.02 1013.3
02 03:52 NW 20 16.09 Overcast BKN075 OVC250 11.7 3.3 57% 76 1013.0
02 02:52 NW 20 16.09 Overcast BKN070 BKN110 OVC250 12.2 4.4 59% 75.97 1012.7
02 01:52 NW 17 G 31 16.09 Overcast BKN060 OVC110 12.8 4.4 17.8 12.8 57% 76 1013.2 0.03
02 00:52 NW 13 16.09 Overcast OVC060 13.3 5 57% 76 1013.2
01 23:52 N 15 16.09 Mostly Cloudy BKN060 BKN110 13.9 6.1 60% 75.97 1012.7 0.03
01 22:52 W 6 16.09 Overcast BKN075 OVC110 15 5.6 54% 75.9 1011.7
01 21:52 SW 7 16.09 Mostly Cloudy BKN065 BKN095 15 4.4 49% 75.87 1011.4
01 20:52 SE 13 16.09 Overcast OVC085 16.7 2.2 38% 75.77 1010.2
01 19:52 S 11 16.09 Overcast OVC100 17.8 0.6 20 17.8 32% 75.74 1009.8
01 18:52 S 19 16.09 A Few Clouds FEW090 FEW200 18.3 0.6 31% 75.72 1009.6
01 17:52 S 20 G 33 16.09 A Few Clouds FEW050 FEW200 19.4 1.1 30% 75.74 1009.9
01 16:52 S 15 G 39 16.09 A Few Clouds FEW050 FEW200 20 1.7 30% 75.77 1009.9
01 15:52 SW 20 G 39 16.09 A Few Clouds FEW050 FEW200 19.4 1.1 30% 75.84 1010.9
01 14:52 SW 15 G 30 16.09 A Few Clouds FEW050 FEW200 18.9 1.7 32% 75.92 1012.0
01 13:52 S 15 16.09 A Few Clouds FEW050 FEW250 17.8 1.1 17.8 9.4 33% 75.97 1012.8
01 12:52 Vrbl 7 16.09 A Few Clouds FEW250 16.1 1.1 36% 76.02 1013.6
01 11:52 Vrbl 6 16.09 A Few Clouds FEW250 15.6 1.1 38% 76.1 1014.4
01 10:52 W 7 16.09 Partly Cloudy SCT250 14.4 1.1 41% 76.15 1015.1
01 09:52 Calm 16.09 A Few Clouds FEW250 12.8 1.7 47% 76.15 1015.3
01 08:52 Calm 16.09 Partly Cloudy FEW070 SCT250 11.7 2.8 55% 76.17 1015.6
01 07:52 NW 7 16.09 Partly Cloudy FEW070 SCT250 9.4 3.3 9.4 3.3 66% 9 76.17 1015.7
01 06:52 N 6 16.09 Partly Cloudy FEW060 SCT220 6.1 2.8 80% 76.17 1015.4
01 05:52 Calm 16.09 Mostly Cloudy BKN200 5 2.2 82% 76.15 1015.1
01 04:52 Calm 16.09 Partly Cloudy SCT220 5.6 1.7 76% 76.12 1015.0
01 03:52 NW 9 16.09 Fair CLR 6.1 1.7 74% 4 76.12 1014.6
01 02:52 Calm 16.09 Fair CLR 5.6 1.7 76% 76.1 1014.5
01 01:52 W 7 16.09 Fair CLR 7.2 1.7 13.3 5 68% 6 76.12 1014.7
01 00:52 Calm 16.09 Fair CLR 5 2.2 82% 76.12 1014.7
30 23:52 Calm 16.09 Fair CLR 7.8 1.7 66% 76.1 1014.4
30 22:52 NW 9 16.09 Fair CLR 10 1.7 57% 9 76.1 1014.3
30 21:52 NW 11 16.09 Fair CLR 11.1 1.7 53% 76.05 1013.9
30 20:52 NW 15 G 30 16.09 A Few Clouds FEW050 12.2 1.1 47% 76.02 1013.2
30 19:52 NW 24 G 46 16.09 A Few Clouds FEW050 FEW250 13.3 2.2 20.6 13.3 47% 75.92 1012.2
30 18:52 NW 31 G 50 16.09 A Few Clouds FEW060 FEW075 FEW250 15.6 3.9 46% 75.84 1010.9
30 17:52 NW 28 G 52 16.09 A Few Clouds FEW080 17.2 3.3 40% 75.74 1009.8
30 16:52 NW 31 G 50 16.09 Partly Cloudy SCT080 SCT250 17.8 1.7 34% 75.69 1009.2
30 15:52 NW 24 G 48 16.09 Partly Cloudy SCT075 20 1.7 30% 75.67 1008.5
30 14:52 NW 26 G 50 16.09 Partly Cloudy SCT070 19.4 2.2 32% 75.64 1008.3
30 13:52 W 30 G 43 16.09 Partly Cloudy SCT060 19.4 3.9 20 13.3 36% 75.64 1008.4
30 12:52 NW 28 G 43 16.09 Mostly Cloudy BKN065 18.9 4.4 39% 75.69 1008.8
30 11:52 W 26 G 44 16.09 Mostly Cloudy BKN060 17.8 3.9 40% 75.74 1009.5
30 10:52 W 35 G 48 16.09 Mostly Cloudy and Breezy SCT050 BKN230 17.2 5 45% 75.74 1009.8
30 09:52 NW 19 G 33 16.09 Partly Cloudy FEW030 SCT130 SCT240 16.7 7.2 54% 75.77 1010.1
30 08:52 NW 15 16.09 Partly Cloudy FEW030 SCT100 SCT220 15 8.3 64% 75.74 1009.5
30 07:52 NW 13 16.09 Mostly Cloudy FEW030 SCT130 BKN250 13.3 8.9 15 10 75% 75.69 1009.2
30 06:52 W 13 16.09 Mostly Cloudy BKN200 11.7 8.9 83% 75.69 1008.8
30 05:52 N 7 16.09 Mostly Cloudy BKN240 11.1 8.9 86% 75.62 1008.0
30 04:52 Vrbl 6 16.09 Mostly Cloudy FEW120 BKN250 12.2 10 87% 75.62 1008.1
30 03:52 NW 11 16.09 Partly Cloudy SCT230 13.9 11.1 83% 75.57 1007.4
30 02:52 Calm 16.09 Mostly Cloudy FEW004 SCT021 BKN230 14.4 12.2 87% 75.54 1007.1
30 01:52 Calm 11.27 Mostly Cloudy SCT004 BKN021 BKN230 12.8 12.2 15 11.7 96% 75.57 1007.2 0.25
30 00:52 Calm 14.48 Overcast OVC005 12.8 12.2 96% 75.59 1007.6
29 23:52 Calm 16.09 Overcast BKN009 BKN016 OVC030 13.3 12.8 97% 75.57 1007.3
29 22:52 Calm 11.27 Overcast OVC007 13.9 13.3 96% 75.59 1007.6 0.15 0.25
29 21:52 W 9 11.27 Light Rain BKN009 OVC015 13.9 13.3 96% 75.62 1008.1 0.1
29 20:52 SE 19 16.09 Overcast FEW009 OVC018 14.4 13.9 97% 75.54 1007.1
29 19:52 SE 11 11.27 Overcast BKN018 OVC022 15 13.9 15 14.4 93% 75.54 1006.9 1.07
29 18:52 SE 9 3.22 Light Rain Fog/Mist SCT014 BKN024 OVC030 15 13.9 93% 75.57 1007.3 0.25
29 17:52 SW 6 3.22 Rain Fog/Mist BKN019 OVC027 14.4 13.9 97% 75.64 1008.3 0.64
29 16:52 S 7 8.05 Light Rain Fog/Mist BKN022 OVC044 14.4 13.3 93% 75.64 1008.2 0.08 0.18
29 15:52 S 15 11.27 Light Rain SCT016 BKN032 OVC095 15 12.8 87% 75.67 1008.7 0.03
29 14:52 S 15 9.66 Rain Fog/Mist OVC015 14.4 12.8 90% 75.77 1010.0 0.08
Date Time (edt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)