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.
11 09:52 N 19 3.22 Light Rain Fog/Mist BKN005 BKN024 OVC035 16.1 15.6 97% 76.5 1019.7 0.81
11 08:52 N 15 2.82 Rain Fog/Mist BKN007 OVC013 16.1 15.6 97% 76.56 1020.4 0.64
11 07:52 N 13 4.02 Rain Fog/Mist BKN007 BKN011 OVC017 16.1 15.6 16.7 15.6 97% 76.58 1020.9 0.81 2.41
11 06:52 NE 13 4.83 Rain Fog/Mist BKN006 OVC010 15.6 15 96% 76.63 1021.5 0.41
11 05:52 NE 15 4.83 Rain Fog/Mist BKN007 BKN012 OVC020 15.6 14.4 93% 76.66 1021.7 0.51
11 04:52 NE 17 8.05 Light Rain Fog/Mist SCT007 BKN012 OVC020 15.6 14.4 93% 76.71 1022.5 0.2 0.69
11 03:52 NE 19 8.05 Rain Fog/Mist OVC050 15.6 14.4 93% 76.76 1023.2 0.3
11 02:52 NE 17 11.27 Rain BKN045 OVC055 16.1 14.4 90% 76.86 1024.4 0.18
11 01:52 NE 17 16.09 Light Rain BKN055 OVC075 16.7 13.9 18.3 16.7 84% 76.89 1024.8
11 00:52 E 17 16.09 Overcast OVC090 16.7 13.3 80% 76.96 1025.8
10 23:52 E 20 16.09 Light Rain OVC100 17.2 12.8 76% 77.01 1026.4
10 22:52 E 15 16.09 Overcast FEW050 OVC100 17.8 12.8 73% 77.04 1027.0
10 21:52 E 7 16.09 Overcast OVC095 17.8 11.7 68% 77.06 1027.4
10 20:52 E 15 16.09 Overcast FEW043 OVC110 18.3 10.6 61% 77.04 1026.9
10 19:52 E 15 16.09 Mostly Cloudy FEW043 FEW050 BKN120 18.3 10.6 21.1 18.3 61% 77.04 1027.0
10 18:52 E 11 16.09 Mostly Cloudy FEW050 FEW080 SCT120 BKN150 BKN200 18.9 10.6 59% 77.04 1026.9
10 17:52 E 15 16.09 Mostly Cloudy FEW050 FEW080 SCT110 BKN130 BKN200 19.4 10.6 57% 77.04 1026.9
10 16:52 E 15 16.09 Mostly Cloudy FEW050 FEW110 BKN130 BKN160 20.6 9.4 49% 77.06 1027.3
10 15:52 E 7 16.09 Mostly Cloudy FEW050 FEW100 BKN130 20.6 8.9 47% 77.11 1028.0
10 14:52 E 9 16.09 Overcast FEW050 BKN140 OVC200 21.1 9.4 47% 77.11 1027.8
10 13:52 E 11 16.09 Overcast BKN160 OVC200 20.6 10 21.1 11.7 51% 77.17 1028.8
10 12:52 E 11 16.09 Overcast BKN190 OVC250 21.1 10 49% 77.22 1029.2
10 11:52 E 9 16.09 Mostly Cloudy BKN200 BKN250 20.6 11.1 55% 77.24 1029.8
10 10:52 Calm 16.09 Overcast BKN230 OVC250 17.8 10.6 63% 77.27 1030.0
10 09:52 Calm 16.09 Overcast BKN220 OVC250 15 9.4 69% 77.22 1029.5
10 08:52 NE 9 16.09 Overcast OVC250 13.3 10.6 84% 77.17 1028.6
10 07:52 NW 7 16.09 Overcast OVC250 11.7 9.4 11.7 9.4 86% 77.17 1028.6
10 06:52 NW 9 16.09 Mostly Cloudy BKN250 11.1 9.4 89% 77.11 1027.9
10 05:52 Calm 16.09 Mostly Cloudy BKN250 11.1 9.4 89% 77.01 1026.5
10 04:52 NW 6 16.09 Partly Cloudy SCT250 10.6 9.4 92% 76.96 1025.9
10 03:52 Calm 16.09 Mostly Cloudy BKN250 10 8.9 93% 76.94 1025.5
10 02:52 Calm 16.09 Partly Cloudy SCT250 10.6 8.9 89% 76.96 1026.0
10 01:52 Calm 16.09 Mostly Cloudy FEW020 BKN250 10.6 9.4 16.7 10.6 92% 76.99 1026.0
10 00:52 Calm 16.09 Mostly Cloudy BKN250 11.7 9.4 86% 76.94 1025.5
09 23:52 Calm 16.09 Overcast OVC250 12.2 9.4 83% 76.94 1025.5
09 22:52 Calm 16.09 Overcast OVC250 12.8 10 83% 76.91 1025.3
09 21:52 Calm 16.09 Overcast OVC250 13.3 8.9 75% 76.89 1024.9
09 20:52 Calm 16.09 Overcast OVC250 14.4 10 75% 76.86 1024.6
09 19:52 Calm 16.09 Overcast OVC250 15.6 8.9 24.4 15.6 65% 76.81 1024.2
09 18:52 SE 7 16.09 Overcast OVC250 18.3 8.3 52% 76.78 1023.4
09 17:52 E 6 16.09 Overcast OVC250 20.6 7.8 44% 76.73 1022.8
09 16:52 NE 6 16.09 Mostly Cloudy BKN250 22.8 6.1 34% 76.68 1022.1
09 15:52 W 15 16.09 Mostly Cloudy FEW220 BKN250 23.3 5.6 32% 76.66 1021.8
09 14:52 Vrbl 7 16.09 Mostly Cloudy FEW160 BKN250 23.9 6.1 32% 25 76.66 1021.9
09 13:52 N 17 12.87 Mostly Cloudy BKN250 23.9 3.3 23.9 7.8 26% 25 76.71 1022.4
09 12:52 W 15 G 31 16.09 Mostly Cloudy BKN250 23.3 5.6 32% 76.73 1022.9
09 11:52 W 9 16.09 Mostly Cloudy BKN250 21.7 8.3 42% 76.76 1023.1
09 10:52 Calm 14.48 Mostly Cloudy BKN250 18.9 9.4 54% 76.76 1023.3
09 09:52 Calm 16.09 Mostly Cloudy BKN250 15.6 8.9 65% 76.76 1023.2
09 08:52 Calm 16.09 Mostly Cloudy BKN250 11.7 8.3 80% 76.71 1022.7
09 07:52 Calm 16.09 Mostly Cloudy BKN250 7.8 6.7 11.1 7.2 93% 76.66 1021.8
09 06:52 Calm 16.09 Mostly Cloudy BKN250 7.8 6.7 93% 76.63 1021.5
09 05:52 Calm 16.09 Mostly Cloudy BKN250 8.3 6.7 90% 76.56 1020.6
09 04:52 SE 6 16.09 Mostly Cloudy BKN250 8.3 7.2 93% 76.5 1019.8
09 03:52 Calm 16.09 Mostly Cloudy BKN250 8.9 7.2 89% 76.5 1019.6
09 02:52 Calm 16.09 Partly Cloudy SCT250 10 7.2 83% 76.5 1019.7
09 01:52 Calm 16.09 Partly Cloudy SCT250 10.6 7.2 21.1 10 80% 76.48 1019.4
09 00:52 Calm 16.09 Partly Cloudy SCT250 10.6 7.8 83% 76.45 1019.1
08 23:52 Calm 16.09 A Few Clouds FEW250 12.8 7.2 69% 76.45 1019.1
08 22:52 Calm 16.09 A Few Clouds FEW250 13.3 7.8 70% 76.43 1018.8
08 21:52 NW 6 16.09 A Few Clouds FEW250 15 6.7 58% 76.38 1018.0
08 20:52 W 7 16.09 A Few Clouds FEW250 17.2 6.1 48% 76.33 1017.4
08 19:52 NW 7 16.09 A Few Clouds FEW250 20.6 5 26.1 20.6 36% 76.25 1016.3
08 18:52 W 15 16.09 A Few Clouds FEW250 23.3 3.9 28% 76.15 1015.1
08 17:52 W 11 16.09 A Few Clouds FEW070 24.4 5 29% 25 76.1 1014.4
08 16:52 W 20 G 33 16.09 A Few Clouds FEW070 25.6 5 27% 26 76.07 1013.8
08 15:52 W 17 16.09 A Few Clouds FEW065 26.1 6.7 29% 26 76.05 1013.6
08 14:52 W 22 G 35 16.09 A Few Clouds FEW065 25.6 6.1 29% 26 76.05 1013.6
08 13:52 W 19 G 35 16.09 A Few Clouds FEW065 25.6 6.7 25.6 12.2 30% 26 76.1 1014.2
08 12:52 W 17 G 28 16.09 A Few Clouds FEW060 24.4 6.7 32% 25 76.12 1014.7
08 11:52 W 19 16.09 A Few Clouds FEW060 23.9 6.7 33% 25 76.15 1015.0
08 10:52 W 19 16.09 A Few Clouds FEW070 22.8 10 44% 76.12 1014.8
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)