Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (edt) | 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. | ||||||||||||||||
| 29 | 01:52 | Calm | 10.00 | Mostly Cloudy | BKN029 | 53.1 | 48.9 | 59 | 48.9 | 86% | 30.32 | 1026.6 | |||||
| 29 | 00:52 | Calm | 10.00 | Partly Cloudy | SCT032 SCT120 | 50 | 48 | 93% | 30.33 | 1026.9 | |||||||
| 28 | 23:52 | Calm | 10.00 | Partly Cloudy | SCT033 SCT120 | 50 | 46.9 | 89% | 30.34 | 1027.2 | |||||||
| 28 | 22:52 | Calm | 10.00 | A Few Clouds | FEW120 | 50 | 46.9 | 89% | 30.34 | 1027.3 | |||||||
| 28 | 21:52 | E 3 | 10.00 | A Few Clouds | FEW120 | 54 | 46.9 | 77% | 30.34 | 1027.5 | |||||||
| 28 | 20:52 | SE 3 | 10.00 | Partly Cloudy | SCT110 SCT200 | 57.9 | 46.9 | 67% | 30.35 | 1027.5 | |||||||
| 28 | 19:52 | SE 5 | 10.00 | Mostly Cloudy | BKN110 BKN200 | 59 | 48.9 | 66.9 | 57.9 | 69% | 30.35 | 1027.6 | |||||
| 28 | 18:52 | SE 3 | 10.00 | Mostly Cloudy | BKN110 BKN200 | 61 | 51.1 | 70% | 30.34 | 1027.6 | |||||||
| 28 | 17:52 | Calm | 10.00 | Mostly Cloudy | BKN100 BKN200 | 63 | 51.1 | 65% | 30.35 | 1027.5 | |||||||
| 28 | 16:52 | SE 6 | 10.00 | Overcast | FEW040 BKN110 OVC200 | 64 | 50 | 60% | 30.35 | 1027.5 | |||||||
| 28 | 15:52 | SE 7 | 10.00 | Overcast | FEW038 BKN110 OVC200 | 64.9 | 51.1 | 61% | 30.35 | 1027.8 | |||||||
| 28 | 14:52 | SE 8 | 9.00 | Mostly Cloudy | FEW030 BKN250 | 66 | 50 | 56% | 30.36 | 1028.1 | |||||||
| 28 | 13:52 | Calm | 10.00 | Mostly Cloudy | FEW030 BKN250 | 64.9 | 48.9 | 64.9 | 46.9 | 56% | 30.38 | 1028.7 | |||||
| 28 | 12:52 | Calm | 10.00 | Mostly Cloudy | FEW025 FEW035 BKN250 | 64.9 | 50 | 59% | 30.4 | 1029.4 | |||||||
| 28 | 11:52 | Calm | 10.00 | Mostly Cloudy | FEW025 FEW035 BKN250 | 62.1 | 50 | 65% | 30.43 | 1030.3 | |||||||
| 28 | 10:52 | Calm | 10.00 | Mostly Cloudy | FEW035 FEW080 BKN250 | 61 | 51.1 | 70% | 30.44 | 1030.7 | |||||||
| 28 | 09:52 | Calm | 10.00 | Mostly Cloudy | FEW038 BKN250 | 57 | 52 | 83% | 30.44 | 1030.9 | |||||||
| 28 | 08:52 | Calm | 7.00 | Partly Cloudy | FEW007 FEW012 SCT250 | 53.1 | 50 | 89% | 30.44 | 1030.7 | |||||||
| 28 | 07:52 | Calm | 6.00 | Fog/Mist | FEW007 SCT012 SCT090 BKN250 | 46.9 | 46 | 48.9 | 45 | 97% | 30.42 | 1030.3 | |||||
| 28 | 06:52 | Calm | 6.00 | Fog/Mist | SCT008 BKN013 | 46.9 | 46 | 97% | 30.41 | 1029.8 | |||||||
| 28 | 05:52 | Calm | 6.00 | Fog/Mist | FEW010 | 46 | 45 | 96% | 30.4 | 1029.4 | |||||||
| 28 | 04:52 | W 3 | 6.00 | Fog/Mist | FEW010 | 46.9 | 46 | 97% | 30.39 | 1028.9 | |||||||
| 28 | 03:52 | Calm | 7.00 | Fair | CLR | 48 | 46.9 | 96% | 30.38 | 1028.8 | |||||||
| 28 | 02:52 | Calm | 7.00 | Fair | CLR | 48 | 46.9 | 96% | 30.39 | 1028.9 | |||||||
| 28 | 01:52 | Calm | 10.00 | Fair | CLR | 48.9 | 48 | 60.1 | 48.9 | 97% | 30.38 | 1028.8 | |||||
| 28 | 00:52 | S 3 | 10.00 | Fair | CLR | 52 | 48.9 | 89% | 30.38 | 1028.6 | |||||||
| 27 | 23:52 | E 3 | 10.00 | Fair | CLR | 50 | 48.9 | 96% | 30.37 | 1028.4 | |||||||
| 27 | 22:52 | Calm | 10.00 | Fair | CLR | 52 | 50 | 93% | 30.36 | 1028.1 | |||||||
| 27 | 21:52 | Calm | 10.00 | Fair | CLR | 55.9 | 50 | 81% | 30.34 | 1027.5 | |||||||
| 27 | 20:52 | E 3 | 10.00 | Fair | CLR | 59 | 51.1 | 75% | 30.33 | 1027.0 | |||||||
| 27 | 19:52 | Calm | 10.00 | Fair | CLR | 59 | 52 | 72 | 57.9 | 78% | 30.32 | 1026.9 | |||||
| 27 | 18:52 | E 3 | 10.00 | A Few Clouds | FEW250 | 61 | 52 | 72% | 30.31 | 1026.5 | |||||||
| 27 | 17:52 | Calm | 10.00 | A Few Clouds | FEW250 | 69.1 | 50 | 51% | 30.31 | 1026.3 | |||||||
| 27 | 16:52 | Calm | 10.00 | A Few Clouds | FEW250 | 72 | 50 | 46% | 30.31 | 1026.2 | |||||||
| 27 | 15:52 | Vrbl 3 | 10.00 | Fair | CLR | 71.1 | 50 | 47% | 30.31 | 1026.3 | |||||||
| 27 | 14:52 | Vrbl 5 | 10.00 | Fair | CLR | 71.1 | 50 | 47% | 30.32 | 1026.5 | |||||||
| 27 | 13:52 | Calm | 10.00 | Fair | CLR | 70 | 50 | 70 | 45 | 49% | 30.33 | 1027.0 | |||||
| 27 | 12:52 | N 6 | 10.00 | Fair | CLR | 68 | 48.9 | 51% | 30.35 | 1027.7 | |||||||
| 27 | 11:52 | NE 6 | 10.00 | Fair | CLR | 66.9 | 48.9 | 53% | 30.36 | 1028.1 | |||||||
| 27 | 10:52 | N 6 | 10.00 | Fair | CLR | 64 | 48 | 56% | 30.37 | 1028.2 | |||||||
| 27 | 08:52 | NE 5 | 9.00 | Fair | CLR | 55 | 48.9 | 80% | 30.36 | 1027.9 | |||||||
| 27 | 07:52 | Calm | 9.00 | Fair | CLR | 46 | 44.1 | 48 | 44.1 | 93% | 30.32 | 1026.8 | |||||
| 27 | 06:52 | NE 5 | 10.00 | Fair | CLR | 46 | 44.1 | 93% | 44 | 30.29 | 1025.9 | ||||||
| 27 | 05:52 | Calm | 10.00 | Fair | CLR | 45 | 43 | 93% | 30.28 | 1025.2 | |||||||
| 27 | 04:52 | Calm | 10.00 | Fair | CLR | 45 | 44.1 | 97% | 30.26 | 1024.7 | |||||||
| 27 | 03:52 | Calm | 10.00 | Fair | CLR | 45 | 44.1 | 97% | 30.25 | 1024.2 | |||||||
| 27 | 02:52 | Calm | 10.00 | Fair | CLR | 46 | 45 | 96% | 30.24 | 1024.1 | |||||||
| 27 | 01:52 | S 3 | 10.00 | A Few Clouds | FEW250 | 46.9 | 45 | 54 | 46 | 93% | 30.25 | 1024.2 | |||||
| 27 | 00:52 | Calm | 10.00 | A Few Clouds | FEW250 | 46.9 | 45 | 93% | 30.25 | 1024.1 | |||||||
| 26 | 23:52 | Calm | 10.00 | A Few Clouds | FEW250 | 48 | 46 | 93% | 30.25 | 1024.2 | |||||||
| 26 | 22:52 | SW 3 | 10.00 | A Few Clouds | FEW250 | 48.9 | 46 | 90% | 30.24 | 1024.2 | |||||||
| 26 | 21:52 | Calm | 10.00 | A Few Clouds | FEW250 | 52 | 46.9 | 83% | 30.24 | 1024.2 | |||||||
| 26 | 20:52 | Calm | 10.00 | A Few Clouds | FEW250 | 52 | 46 | 80% | 30.24 | 1023.9 | |||||||
| 26 | 19:52 | Calm | 10.00 | A Few Clouds | FEW250 | 54 | 48 | 71.1 | 54 | 80% | 30.24 | 1024.0 | |||||
| 26 | 18:52 | SW 3 | 10.00 | A Few Clouds | FEW250 | 62.1 | 46.9 | 58% | 30.23 | 1023.6 | |||||||
| 26 | 17:52 | SW 3 | 10.00 | A Few Clouds | FEW250 | 68 | 46 | 45% | 30.22 | 1023.4 | |||||||
| 26 | 16:52 | W 7 | 10.00 | Fair | CLR | 70 | 45 | 41% | 30.23 | 1023.5 | |||||||
| 26 | 15:52 | W 8 | 10.00 | Fair | CLR | 71.1 | 43 | 36% | 30.24 | 1023.8 | |||||||
| 26 | 14:52 | NW 5 | 10.00 | Fair | CLR | 70 | 44.1 | 39% | 30.26 | 1024.5 | |||||||
| 26 | 13:52 | W 6 | 10.00 | Fair | CLR | 70 | 45 | 70 | 39 | 41% | 30.29 | 1025.5 | |||||
| 26 | 12:52 | Vrbl 5 | 10.00 | A Few Clouds | FEW250 | 68 | 46 | 45% | 30.32 | 1026.6 | |||||||
| 26 | 11:52 | Vrbl 6 | 10.00 | A Few Clouds | FEW250 | 64.9 | 46 | 51% | 30.35 | 1027.7 | |||||||
| 26 | 10:52 | Calm | 10.00 | A Few Clouds | FEW250 | 59 | 48 | 67% | 30.37 | 1028.4 | |||||||
| 26 | 09:52 | Calm | 9.00 | A Few Clouds | FEW250 | 53.1 | 48 | 83% | 30.38 | 1028.8 | |||||||
| 26 | 08:52 | Calm | 9.00 | Fair | CLR | 46 | 44.1 | 93% | 30.39 | 1029.2 | |||||||
| 26 | 07:52 | Calm | 9.00 | Shallow Fog | CLR | 39 | 37.9 | 44.1 | 37.9 | 96% | 30.38 | 1028.8 | |||||
| 26 | 06:52 | Calm | 8.00 | Patches Fog | FEW002 | 39.9 | 39.9 | 100% | 30.38 | 1028.8 | |||||||
| 26 | 05:52 | Calm | 9.00 | Fair | CLR | 39 | 39 | 100% | 30.38 | 1028.6 | |||||||
| 26 | 04:52 | Calm | 8.00 | Fair | CLR | 39.9 | 39 | 97% | 30.38 | 1028.7 | |||||||
| 26 | 03:52 | Calm | 10.00 | Fair | CLR | 39.9 | 39.9 | 100% | 30.4 | 1029.3 | |||||||
| 26 | 02:52 | Calm | 10.00 | Fair | CLR | 41 | 41 | 100% | 30.41 | 1029.8 | |||||||
| Date | Time (edt) | 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) | |||||||||||||||