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. | ||||||||||||||||
| 10 | 00:52 | Calm | 16.09 | Fair | CLR | 11.1 | 5.6 | 69% | 76.25 | 1016.3 | |||||||
| 09 | 23:52 | S 7 | 16.09 | Fair | CLR | 12.8 | 5.6 | 62% | 76.23 | 1016.2 | |||||||
| 09 | 22:52 | S 7 | 16.09 | Fair | CLR | 13.3 | 5 | 57% | 76.2 | 1015.8 | |||||||
| 09 | 21:52 | S 7 | 16.09 | Fair | CLR | 13.9 | 5 | 55% | 76.17 | 1015.5 | |||||||
| 09 | 20:52 | S 9 | 16.09 | Fair | CLR | 15.6 | 3.9 | 46% | 76.15 | 1015.1 | |||||||
| 09 | 19:52 | S 6 | 16.09 | Fair | CLR | 16.1 | 4.4 | 24.4 | 16.1 | 46% | 76.12 | 1014.9 | |||||
| 09 | 18:52 | S 9 | 16.09 | Fair | CLR | 21.7 | 4.4 | 32% | 76.1 | 1014.6 | |||||||
| 09 | 17:52 | SW 13 | 16.09 | Fair | CLR | 23.9 | 5 | 29% | 25 | 76.1 | 1014.4 | ||||||
| 09 | 16:52 | SW 17 | 16.09 | A Few Clouds | FEW055 | 24.4 | 5.6 | 30% | 25 | 76.1 | 1014.5 | ||||||
| 09 | 15:52 | S 22 G 35 | 16.09 | A Few Clouds | FEW055 | 24.4 | 5 | 29% | 25 | 76.15 | 1015.0 | ||||||
| 09 | 14:52 | SW 17 | 16.09 | A Few Clouds | FEW055 | 23.9 | 6.1 | 32% | 25 | 76.15 | 1015.1 | ||||||
| 09 | 13:52 | S 19 | 16.09 | A Few Clouds | FEW055 | 23.3 | 6.7 | 23.3 | 3.3 | 34% | 76.2 | 1015.9 | |||||
| 09 | 12:52 | Vrbl 7 | 16.09 | A Few Clouds | FEW055 | 21.7 | 3.9 | 31% | 76.3 | 1017.3 | |||||||
| 09 | 11:52 | S 9 | 16.09 | A Few Clouds | FEW050 | 20.6 | 3.3 | 32% | 76.38 | 1018.0 | |||||||
| 09 | 10:52 | Vrbl 7 | 16.09 | Fair | CLR | 18.3 | 3.3 | 37% | 76.4 | 1018.7 | |||||||
| 09 | 09:52 | Calm | 16.09 | Fair | CLR | 14.4 | 5.6 | 56% | 76.45 | 1019.1 | |||||||
| 09 | 08:52 | Calm | 16.09 | Fair | CLR | 9.4 | 6.1 | 80% | 76.4 | 1018.6 | |||||||
| 09 | 07:52 | Calm | 16.09 | Fair | CLR | 3.9 | 2.2 | 7.8 | 2.8 | 89% | 76.35 | 1017.9 | |||||
| 09 | 06:52 | Calm | 16.09 | Fair | CLR | 3.9 | 2.2 | 89% | 76.28 | 1016.7 | |||||||
| 09 | 05:52 | SE 6 | 16.09 | Fair | CLR | 3.9 | 2.2 | 89% | 76.23 | 1016.1 | |||||||
| 09 | 04:52 | Calm | 16.09 | Fair | CLR | 3.9 | 2.2 | 89% | 76.17 | 1015.3 | |||||||
| 09 | 03:52 | S 6 | 16.09 | Fair | CLR | 4.4 | 2.2 | 86% | 76.17 | 1015.3 | |||||||
| 09 | 02:52 | Calm | 16.09 | Fair | CLR | 6.1 | 2.8 | 80% | 76.2 | 1015.7 | |||||||
| 09 | 01:52 | Calm | 16.09 | Fair | CLR | 7.2 | 2.8 | 18.9 | 6.1 | 74% | 76.2 | 1015.7 | |||||
| 09 | 00:52 | SW 7 | 16.09 | Fair | CLR | 7.8 | 3.3 | 73% | 7 | 76.17 | 1015.5 | ||||||
| 08 | 23:52 | Calm | 16.09 | Fair | CLR | 8.3 | 3.3 | 71% | 76.17 | 1015.5 | |||||||
| 08 | 22:52 | SE 9 | 16.09 | A Few Clouds | FEW220 | 11.1 | 3.3 | 59% | 76.15 | 1015.2 | |||||||
| 08 | 21:52 | Calm | 16.09 | Partly Cloudy | SCT220 | 15 | 3.3 | 46% | 76.07 | 1013.9 | |||||||
| 08 | 20:52 | NW 6 | 16.09 | Partly Cloudy | FEW050 SCT220 | 16.1 | 4.4 | 46% | 76.02 | 1013.3 | |||||||
| 08 | 19:52 | NW 7 | 16.09 | Partly Cloudy | FEW060 FEW090 SCT220 | 18.9 | 5 | 22.8 | 18.9 | 40% | 75.97 | 1012.6 | |||||
| 08 | 18:52 | NW 15 | 16.09 | Mostly Cloudy | FEW060 FEW090 BKN220 | 21.1 | 6.7 | 39% | 75.92 | 1011.9 | |||||||
| 08 | 17:52 | NW 15 | 16.09 | Mostly Cloudy | FEW060 SCT090 BKN220 | 21.7 | 7.2 | 39% | 75.87 | 1011.2 | |||||||
| 08 | 16:52 | W 19 | 16.09 | Mostly Cloudy | FEW060 SCT090 BKN220 | 22.2 | 7.8 | 40% | 75.84 | 1010.9 | |||||||
| 08 | 15:52 | W 19 | 16.09 | Overcast | SCT065 BKN090 OVC160 | 22.2 | 10.6 | 48% | 75.82 | 1010.5 | |||||||
| 08 | 14:52 | W 15 | 16.09 | Overcast | SCT060 BKN080 OVC160 | 22.8 | 10.6 | 46% | 75.79 | 1010.1 | |||||||
| 08 | 13:52 | SW 17 | 16.09 | Overcast | SCT055 SCT065 OVC200 | 22.2 | 11.1 | 22.8 | 17.2 | 50% | 75.77 | 1010.1 | |||||
| 08 | 12:52 | W 11 | 16.09 | Overcast | SCT042 BKN075 BKN120 OVC200 | 22.2 | 12.8 | 55% | 75.82 | 1010.7 | |||||||
| 08 | 11:52 | SW 6 | 16.09 | Mostly Cloudy | SCT038 SCT060 BKN200 | 21.1 | 15 | 68% | 75.84 | 1010.9 | |||||||
| 08 | 10:52 | SW 9 | 16.09 | Mostly Cloudy | FEW055 SCT090 BKN190 BKN250 | 20 | 15.6 | 76% | 75.87 | 1011.3 | |||||||
| 08 | 09:52 | Calm | 16.09 | Mostly Cloudy | SCT055 BKN110 BKN190 BKN250 | 18.9 | 16.1 | 84% | 75.84 | 1011.0 | |||||||
| 08 | 08:52 | SE 7 | 16.09 | Light Rain | BKN055 BKN090 BKN250 | 17.2 | 15 | 87% | 75.84 | 1010.9 | |||||||
| 08 | 07:52 | SW 6 | 16.09 | Mostly Cloudy | FEW050 BKN090 BKN190 BKN250 | 17.2 | 15.6 | 18.9 | 16.7 | 90% | 75.79 | 1010.1 | |||||
| 08 | 06:52 | SW 9 | 16.09 | Mostly Cloudy | SCT090 BKN110 BKN190 BKN250 | 17.8 | 15.6 | 87% | 75.77 | 1009.8 | |||||||
| 08 | 05:52 | SW 13 | 16.09 | Overcast | OVC080 | 18.3 | 15.6 | 84% | 75.79 | 1010.2 | |||||||
| 08 | 04:52 | SW 19 | 16.09 | Overcast | FEW100 OVC170 | 18.9 | 15.6 | 81% | 75.72 | 1009.3 | |||||||
| 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 | ||||
| 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) | |||||||||||||||