Weather observations for the past three days for
Washington/Dulles International Airport, DC
| 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. | ||||||||||||||||
| 08 | 03:52 | SW 15 | 16.09 | Overcast | BKN190 OVC250 | 18.3 | 15.6 | 84% | 75.72 | 1009.3 | |||||||
| 08 | 01:52 | S 19 | 16.09 | Overcast | SCT130 OVC190 | 17.8 | 15.6 | 87% | 75.77 | 1010.1 | |||||||
| 08 | 00:52 | S 9 | 16.09 | Mostly Cloudy | FEW090 BKN150 BKN210 | 16.7 | 15 | 19.4 | 14.4 | 90% | 75.82 | 1010.7 | 0.03 | ||||
| 07 | 23:52 | SE 7 | 16.09 | Mostly Cloudy | FEW055 FEW070 BKN110 | 15 | 14.4 | 96% | 75.9 | 1011.8 | 0.03 | ||||||
| 07 | 22:52 | NW 13 | 16.09 | Mostly Cloudy | SCT050 BKN100 | 17.2 | 15 | 87% | 75.95 | 1012.5 | |||||||
| 07 | 21:52 | Calm | 16.09 | Partly Cloudy | SCT050 | 17.8 | 14.4 | 81% | 75.92 | 1012.1 | |||||||
| 07 | 20:52 | S 13 | 16.09 | Fair | CLR | 18.3 | 15 | 81% | 75.84 | 1011.1 | |||||||
| 07 | 19:52 | S 17 | 16.09 | A Few Clouds | FEW250 | 17.8 | 13.3 | 75% | 75.87 | 1011.5 | |||||||
| 07 | 18:52 | S 11 | 16.09 | A Few Clouds | FEW025 FEW250 | 17.8 | 13.9 | 20 | 11.1 | 78% | 75.97 | 1012.7 | |||||
| 07 | 17:52 | S 22 G 33 | 16.09 | Partly Cloudy | FEW025 SCT250 | 19.4 | 14.4 | 73% | 75.97 | 1012.9 | |||||||
| 07 | 16:52 | S 22 G 43 | 16.09 | Partly Cloudy | FEW022 SCT250 | 20 | 13.9 | 68% | 76.02 | 1013.5 | |||||||
| 07 | 15:52 | S 17 | 16.09 | Partly Cloudy | FEW015 SCT250 | 17.2 | 11.1 | 68% | 76.1 | 1014.4 | |||||||
| 07 | 14:52 | SE 9 | 16.09 | Overcast | OVC013 | 13.9 | 10.6 | 81% | 76.23 | 1016.2 | |||||||
| 07 | 13:52 | S 11 | 16.09 | Overcast | OVC011 | 12.8 | 9.4 | 80% | 76.33 | 1017.6 | |||||||
| 07 | 12:52 | S 9 | 16.09 | Overcast | OVC008 | 11.1 | 8.9 | 11.1 | 5.6 | 86% | 76.48 | 1019.4 | |||||
| 07 | 11:52 | SE 11 | 9.66 | Fog/Mist | SCT004 OVC006 | 9.4 | 7.8 | 90% | 8 | 76.56 | 1020.6 | ||||||
| 07 | 10:52 | S 11 | 3.22 | Fog/Mist | OVC004 | 8.3 | 7.2 | 93% | 7 | 76.63 | 1021.8 | ||||||
| 07 | 09:52 | SE 13 | 0.80 | Fog/Mist | OVC002 | 7.2 | 6.7 | 97% | 5 | 76.68 | 1022.5 | ||||||
| 07 | 08:52 | S 7 | 0.80 | Fog/Mist | OVC002 | 6.1 | 6.1 | 100% | 5 | 76.78 | 1023.6 | ||||||
| 07 | 07:52 | SE 9 | 0.80 | Fog/Mist | OVC002 | 5.6 | 5 | 96% | 4 | 76.81 | 1024.2 | ||||||
| 07 | 06:52 | SE 9 | 2.82 | Fog/Mist | OVC004 | 5.6 | 5 | 7.2 | 5 | 96% | 4 | 76.81 | 1024.2 | ||||
| 07 | 05:52 | S 7 | 2.82 | Fog/Mist | OVC003 | 5.6 | 5 | 96% | 4 | 76.84 | 1024.3 | ||||||
| 07 | 04:52 | SE 15 | 2.41 | Fog/Mist | OVC004 | 5.6 | 5 | 96% | 3 | 76.81 | 1024.3 | ||||||
| 07 | 03:52 | SE 6 | 2.41 | Fog/Mist | OVC004 | 5.6 | 5.6 | 100% | 76.89 | 1025.3 | |||||||
| 07 | 02:52 | SE 9 | 3.22 | Fog/Mist | OVC003 | 6.1 | 5.6 | 97% | 4 | 76.94 | 1025.7 | ||||||
| 07 | 01:52 | SE 11 | 9.66 | Fog/Mist | OVC006 | 6.7 | 5.6 | 93% | 5 | 76.99 | 1026.2 | ||||||
| 07 | 00:52 | SE 9 | 16.09 | Overcast | OVC011 | 7.2 | 5.6 | 8.3 | 7.2 | 90% | 6 | 77.01 | 1026.7 | ||||
| 06 | 23:52 | SE 7 | 16.09 | Overcast | OVC011 | 7.8 | 5.6 | 86% | 7 | 77.04 | 1027.0 | ||||||
| 06 | 22:52 | SE 9 | 14.48 | Overcast | OVC009 | 7.8 | 6.1 | 89% | 6 | 77.04 | 1027.1 | ||||||
| 06 | 21:52 | E 11 | 11.27 | Overcast | OVC007 | 7.8 | 6.7 | 93% | 6 | 77.11 | 1028.3 | ||||||
| 06 | 20:52 | E 9 | 8.05 | Fog/Mist | OVC005 | 7.8 | 6.7 | 93% | 6 | 77.09 | 1027.9 | ||||||
| 06 | 19:52 | E 13 | 9.66 | Fog/Mist | OVC006 | 8.3 | 7.2 | 93% | 6 | 77.06 | 1027.3 | ||||||
| 06 | 18:52 | E 13 | 11.27 | Overcast | OVC007 | 8.3 | 7.2 | 11.7 | 8.3 | 93% | 6 | 77.01 | 1026.8 | 0.03 | |||
| 06 | 17:52 | E 11 | 11.27 | Overcast | BKN010 OVC015 | 9.4 | 7.8 | 90% | 8 | 76.99 | 1026.3 | 0.03 | |||||
| 06 | 16:52 | E 9 | 8.05 | Light Rain Fog/Mist | OVC012 | 10 | 7.8 | 86% | 9 | 76.96 | 1025.9 | ||||||
| 06 | 15:52 | E 9 | 11.27 | Overcast | OVC013 | 10.6 | 7.8 | 83% | 76.94 | 1025.7 | |||||||
| 06 | 14:52 | E 13 | 11.27 | Overcast | OVC012 | 11.1 | 8.3 | 83% | 76.91 | 1025.3 | |||||||
| 06 | 13:52 | NE 13 | 11.27 | Overcast | OVC012 | 11.1 | 8.3 | 83% | 76.91 | 1025.5 | |||||||
| 06 | 12:52 | E 9 | 11.27 | Overcast | OVC010 | 11.1 | 8.3 | 11.1 | 8.9 | 83% | 76.94 | 1025.8 | |||||
| 06 | 11:52 | Vrbl 7 | 9.66 | Fog/Mist | OVC008 | 10 | 7.8 | 86% | 9 | 76.99 | 1026.2 | ||||||
| 06 | 10:52 | E 7 | 4.83 | Fog/Mist | OVC004 | 9.4 | 8.3 | 93% | 9 | 76.94 | 1025.9 | ||||||
| 06 | 09:52 | E 11 | 3.22 | Fog/Mist | OVC004 | 8.9 | 8.3 | 96% | 7 | 76.94 | 1025.6 | ||||||
| 06 | 08:52 | E 9 | 0.80 | Fog | OVC002 | 8.9 | 8.3 | 96% | 8 | 76.91 | 1025.4 | ||||||
| 06 | 07:52 | E 7 | 0.80 | Fog | VV002 | 8.9 | 8.3 | 96% | 8 | 76.86 | 1024.5 | ||||||
| 06 | 06:52 | E 9 | 1.61 | Fog/Mist | OVC002 | 8.9 | 8.9 | 10.6 | 8.9 | 100% | 8 | 76.78 | 1023.6 | 0.03 | |||
| 06 | 05:52 | E 9 | 4.83 | Fog/Mist | OVC003 | 9.4 | 8.9 | 97% | 8 | 76.76 | 1023.5 | ||||||
| 06 | 04:52 | E 9 | 4.83 | Fog/Mist | OVC004 | 10 | 9.4 | 96% | 9 | 76.71 | 1022.7 | ||||||
| 06 | 03:52 | NE 7 | 8.05 | Fog/Mist | BKN004 BKN009 OVC100 | 10 | 9.4 | 96% | 9 | 76.68 | 1022.1 | 0.03 | |||||
| 06 | 02:52 | Calm | 8.05 | Light Rain Fog/Mist | OVC100 | 10 | 10 | 100% | 76.66 | 1021.9 | |||||||
| 06 | 01:52 | E 7 | 8.05 | Light Rain Fog/Mist | BKN070 OVC100 | 10.6 | 10 | 96% | 76.63 | 1021.7 | 0.03 | ||||||
| 06 | 00:52 | Calm | 8.05 | Fog/Mist | BKN008 OVC110 | 10.6 | 10 | 12.8 | 10 | 96% | 76.66 | 1022.0 | 0.05 | 0.58 | |||
| 05 | 23:52 | Calm | 8.05 | Light Rain Fog/Mist | OVC100 | 10.6 | 10 | 96% | 76.58 | 1021.1 | |||||||
| 05 | 22:52 | E 11 | 8.05 | Light Rain Fog/Mist | BKN100 OVC130 | 10.6 | 10 | 96% | 76.56 | 1020.6 | 0.48 | ||||||
| 05 | 21:52 | E 13 | 12.87 | Light Rain | FEW017CB BKN023 OVC030 | 11.7 | 10.6 | 93% | 76.66 | 1022.0 | 0.05 | 0.05 | |||||
| 05 | 20:52 | Calm | 11.27 | Overcast | OVC100 | 11.1 | 9.4 | 89% | 76.5 | 1020.1 | |||||||
| 05 | 19:52 | E 9 | 14.48 | Overcast | BKN110 OVC180 | 12.2 | 9.4 | 83% | 76.48 | 1019.6 | |||||||
| 05 | 18:52 | NE 11 | 12.87 | Mostly Cloudy | FEW060 SCT180 BKN220 | 12.8 | 9.4 | 16.1 | 12.2 | 80% | 76.48 | 1019.5 | |||||
| 05 | 17:52 | E 9 | 12.87 | Mostly Cloudy | FEW060 SCT120 BKN180 BKN250 | 13.9 | 10 | 78% | 76.45 | 1019.2 | |||||||
| 05 | 16:52 | E 11 | 14.48 | Mostly Cloudy | FEW080 BKN250 | 15.6 | 11.1 | 75% | 76.45 | 1019.3 | |||||||
| 05 | 15:52 | NW 6 | 14.48 | Mostly Cloudy | FEW080 BKN250 | 15.6 | 11.1 | 75% | 76.48 | 1019.6 | |||||||
| 05 | 14:52 | NW 6 | 11.27 | Mostly Cloudy | FEW015 BKN250 | 15 | 10.6 | 75% | 76.5 | 1019.9 | |||||||
| 05 | 13:52 | Calm | 8.05 | Mostly Cloudy with Haze | BKN013 BKN250 | 14.4 | 10.6 | 78% | 76.5 | 1020.1 | |||||||
| 05 | 12:52 | Calm | 6.44 | Fog/Mist | OVC005 | 12.2 | 10 | 12.2 | 7.8 | 87% | 76.58 | 1021.0 | |||||
| 05 | 11:52 | N 6 | 4.83 | Fog/Mist | OVC005 | 10 | 9.4 | 96% | 76.66 | 1021.9 | |||||||
| 05 | 10:52 | Calm | 3.22 | Fog/Mist | OVC004 | 9.4 | 9.4 | 100% | 76.68 | 1022.2 | |||||||
| 05 | 09:52 | Calm | 1.21 | Fog | VV004 | 8.9 | 8.9 | 100% | 76.68 | 1022.2 | |||||||
| 05 | 08:52 | Calm | 0.40 | Fog | VV001 | 8.9 | 8.3 | 96% | 76.66 | 1022.0 | |||||||
| 05 | 07:52 | E 6 | 0.21 | Fog | VV001 | 7.8 | 7.8 | 100% | 76.63 | 1021.7 | |||||||
| 05 | 06:52 | Calm | 0.21 | Fog | VV001 | 7.8 | 7.8 | 8.3 | 7.8 | 100% | 76.61 | 1021.3 | |||||
| 05 | 05:52 | SE 6 | 0.21 | Fog | VV001 | 7.8 | 7.8 | 100% | 76.58 | 1021.1 | |||||||
| 05 | 04:52 | E 7 | 0.21 | Fog | VV001 | 7.8 | 7.8 | 100% | 7 | 76.61 | 1021.2 | ||||||
| 05 | 03:52 | E 6 | 0.21 | Fog | VV001 | 7.8 | 7.8 | 100% | 76.61 | 1021.4 | |||||||
| 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) | |||||||||||||||