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. | ||||||||||||||||
| 11 | 10:52 | N 20 | 16.09 | A Few Clouds | FEW042 FEW250 | 17.2 | 6.7 | 50% | 76.99 | 1026.1 | |||||||
| 11 | 09:52 | N 19 | 16.09 | Partly Cloudy | FEW042 SCT250 | 15.6 | 7.2 | 58% | 76.94 | 1025.5 | |||||||
| 11 | 08:52 | N 28 G 39 | 16.09 | Mostly Cloudy | FEW026 BKN041 BKN090 | 16.1 | 8.9 | 63% | 76.89 | 1024.9 | |||||||
| 11 | 07:52 | N 22 | 16.09 | Mostly Cloudy | SCT032 BKN050 BKN250 | 16.7 | 11.1 | 18.3 | 13.3 | 70% | 76.81 | 1023.9 | |||||
| 11 | 06:52 | NW 9 | 16.09 | Mostly Cloudy | SCT039 BKN250 | 16.1 | 11.7 | 75% | 76.73 | 1022.7 | |||||||
| 11 | 05:52 | NW 19 | 16.09 | Partly Cloudy | FEW060 SCT250 | 16.7 | 11.7 | 73% | 76.63 | 1021.4 | |||||||
| 11 | 04:52 | N 9 | 16.09 | Partly Cloudy | FEW060 SCT250 | 15.6 | 10.6 | 72% | 76.61 | 1021.1 | |||||||
| 11 | 03:52 | NW 13 | 16.09 | Mostly Cloudy | BKN090 BKN150 | 17.2 | 10.6 | 65% | 76.58 | 1020.7 | |||||||
| 11 | 02:52 | NW 7 | 16.09 | Mostly Cloudy | FEW100 BKN200 | 15 | 7.8 | 62% | 76.58 | 1020.7 | |||||||
| 11 | 01:52 | Calm | 16.09 | Mostly Cloudy | SCT100 BKN250 | 13.9 | 6.1 | 21.1 | 13.3 | 60% | 76.58 | 1020.9 | |||||
| 11 | 00:52 | Calm | 16.09 | Mostly Cloudy | BKN120 | 16.1 | 5 | 48% | 76.58 | 1020.8 | |||||||
| 10 | 23:52 | SW 13 | 16.09 | Mostly Cloudy | BKN120 | 18.3 | 5.6 | 43% | 76.53 | 1020.0 | |||||||
| 10 | 22:52 | S 11 | 16.09 | Partly Cloudy | SCT120 SCT250 | 18.3 | 5.6 | 43% | 76.56 | 1020.4 | |||||||
| 10 | 21:52 | S 11 | 16.09 | A Few Clouds | FEW250 | 19.4 | 5.6 | 41% | 76.58 | 1020.8 | |||||||
| 10 | 20:52 | SE 11 | 16.09 | A Few Clouds | FEW250 | 18.9 | 6.1 | 43% | 76.53 | 1020.2 | |||||||
| 10 | 19:52 | S 13 | 16.09 | A Few Clouds | FEW250 | 21.1 | 5.6 | 25.6 | 21.1 | 37% | 76.5 | 1019.9 | |||||
| 10 | 18:52 | SE 17 | 16.09 | Partly Cloudy | FEW050 SCT250 | 23.9 | 5 | 29% | 25 | 76.5 | 1019.8 | ||||||
| 10 | 17:52 | SE 19 G 37 | 16.09 | A Few Clouds | FEW250 | 25 | 5 | 28% | 25 | 76.5 | 1019.9 | ||||||
| 10 | 16:52 | S 22 G 33 | 16.09 | A Few Clouds | FEW250 | 25 | 5.6 | 29% | 25 | 76.53 | 1020.3 | ||||||
| 10 | 15:52 | S 17 | 16.09 | A Few Clouds | FEW250 | 25 | 7.2 | 32% | 25 | 76.58 | 1021.0 | ||||||
| 10 | 14:52 | S 17 | 16.09 | A Few Clouds | FEW250 | 24.4 | 6.1 | 31% | 25 | 76.68 | 1022.2 | ||||||
| 10 | 13:52 | S 15 G 30 | 16.09 | A Few Clouds | FEW250 | 21.7 | 6.1 | 21.7 | 7.8 | 36% | 76.81 | 1023.8 | |||||
| 10 | 12:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 19.4 | 5.6 | 41% | 76.91 | 1025.3 | |||||||
| 10 | 11:52 | S 13 | 16.09 | A Few Clouds | FEW250 | 16.7 | 5.6 | 48% | 77.01 | 1026.5 | |||||||
| 10 | 10:52 | S 13 | 16.09 | Fair | CLR | 15 | 5.6 | 54% | 77.06 | 1027.2 | |||||||
| 10 | 09:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 11.7 | 6.7 | 72% | 77.09 | 1027.9 | |||||||
| 10 | 08:52 | S 11 | 16.09 | A Few Clouds | FEW250 | 9.4 | 6.1 | 80% | 8 | 77.11 | 1028.2 | ||||||
| 10 | 07:52 | SE 6 | 16.09 | A Few Clouds | FEW250 | 7.8 | 6.1 | 7.8 | 5.6 | 89% | 77.17 | 1028.7 | |||||
| 10 | 06:52 | S 7 | 16.09 | A Few Clouds | FEW250 | 6.1 | 5 | 93% | 5 | 77.14 | 1028.5 | ||||||
| 10 | 05:52 | Calm | 16.09 | Fair | CLR | 6.1 | 5 | 93% | 77.09 | 1027.9 | |||||||
| 10 | 04:52 | SE 7 | 16.09 | Fair | CLR | 6.1 | 5 | 93% | 5 | 77.11 | 1028.2 | ||||||
| 10 | 03:52 | SE 6 | 16.09 | Fair | CLR | 6.7 | 5.6 | 93% | 77.11 | 1028.2 | |||||||
| 10 | 02:52 | S 6 | 16.09 | Fair | CLR | 6.7 | 5.6 | 93% | 77.14 | 1028.5 | |||||||
| 10 | 01:52 | SE 7 | 16.09 | Fair | CLR | 7.2 | 5 | 13.9 | 7.2 | 86% | 6 | 77.19 | 1029.1 | ||||
| 10 | 00:52 | S 7 | 16.09 | Fair | CLR | 8.3 | 5.6 | 83% | 7 | 77.22 | 1029.4 | ||||||
| 09 | 23:52 | S 7 | 16.09 | Fair | CLR | 9.4 | 3.9 | 69% | 9 | 77.24 | 1029.8 | ||||||
| 09 | 22:52 | SE 6 | 16.09 | Fair | CLR | 10.6 | 3.3 | 61% | 77.24 | 1029.8 | |||||||
| 09 | 21:52 | S 11 | 16.09 | Fair | CLR | 11.7 | 3.3 | 57% | 77.24 | 1029.9 | |||||||
| 09 | 20:52 | S 9 | 16.09 | Fair | CLR | 12.8 | 1.7 | 47% | 77.22 | 1029.5 | |||||||
| 09 | 19:52 | SE 11 | 16.09 | A Few Clouds | FEW250 | 13.9 | 1.7 | 17.2 | 13.9 | 44% | 77.19 | 1029.1 | |||||
| 09 | 18:52 | SE 17 | 16.09 | Partly Cloudy | SCT250 | 16.1 | 0 | 34% | 77.19 | 1029.3 | |||||||
| 09 | 17:52 | S 11 G 28 | 16.09 | Partly Cloudy | SCT250 | 16.7 | -0.6 | 31% | 77.22 | 1029.4 | |||||||
| 09 | 16:52 | SE 13 | 16.09 | Partly Cloudy | SCT250 | 16.7 | -0.6 | 31% | 77.24 | 1029.9 | |||||||
| 09 | 15:52 | SE 19 G 39 | 16.09 | Mostly Cloudy | BKN250 | 16.1 | -1.1 | 31% | 77.29 | 1030.5 | |||||||
| 09 | 14:52 | S 17 G 28 | 16.09 | Mostly Cloudy | BKN250 | 15 | -2.2 | 31% | 77.37 | 1031.5 | |||||||
| 09 | 13:52 | SE 9 G 28 | 16.09 | Mostly Cloudy | BKN250 | 14.4 | -1.7 | 15 | 3.9 | 33% | 77.42 | 1032.2 | |||||
| 09 | 12:52 | SE 11 G 26 | 16.09 | Mostly Cloudy | BKN250 | 12.8 | -1.7 | 37% | 77.5 | 1033.3 | |||||||
| 09 | 11:52 | SE 9 | 16.09 | Mostly Cloudy | BKN250 | 10.6 | -1.1 | 45% | 77.57 | 1034.5 | |||||||
| 09 | 10:52 | SE 9 | 16.09 | Mostly Cloudy | BKN250 | 8.9 | 0 | 54% | 8 | 77.62 | 1035.1 | ||||||
| 09 | 09:52 | S 11 | 16.09 | Mostly Cloudy | FEW018 BKN250 | 7.2 | 0.6 | 63% | 5 | 77.65 | 1035.4 | ||||||
| 09 | 08:52 | S 11 | 16.09 | Mostly Cloudy | FEW016 BKN250 | 6.1 | 1.7 | 74% | 4 | 77.67 | 1035.7 | ||||||
| 09 | 07:52 | Vrbl 9 | 16.09 | Mostly Cloudy | BKN250 | 3.9 | 0.6 | 3.9 | 2.2 | 79% | 2 | 77.65 | 1035.4 | ||||
| 09 | 06:52 | S 6 | 16.09 | Mostly Cloudy | FEW016 BKN250 | 2.8 | 0.6 | 86% | 77.62 | 1035.0 | |||||||
| 09 | 05:52 | S 6 | 16.09 | Mostly Cloudy | BKN016 | 3.3 | 0.6 | 83% | 77.6 | 1034.8 | |||||||
| 09 | 04:52 | SE 9 | 16.09 | Overcast | OVC015 | 3.9 | 0 | 76% | 2 | 77.6 | 1034.5 | ||||||
| 09 | 03:52 | SE 7 | 16.09 | Overcast | OVC016 | 3.3 | -0.6 | 76% | 2 | 77.6 | 1034.6 | ||||||
| 09 | 02:52 | SE 7 | 16.09 | Overcast | OVC015 | 3.9 | -0.6 | 73% | 2 | 77.6 | 1034.7 | ||||||
| 09 | 01:52 | S 7 | 16.09 | Fair | CLR | 3.9 | -1.1 | 8.9 | 3.9 | 70% | 2 | 77.62 | 1034.9 | ||||
| 09 | 00:52 | SE 17 | 16.09 | Fair | CLR | 5 | -1.7 | 62% | 2 | 77.62 | 1035.0 | ||||||
| 08 | 23:52 | SE 11 | 16.09 | Fair | CLR | 5.6 | -3.3 | 53% | 3 | 77.62 | 1034.8 | ||||||
| 08 | 22:52 | SE 9 | 16.09 | A Few Clouds | FEW250 | 5.6 | -4.4 | 49% | 4 | 77.6 | 1034.8 | ||||||
| 08 | 21:52 | SE 11 | 16.09 | Partly Cloudy | SCT250 | 7.2 | -5 | 42% | 5 | 77.6 | 1034.8 | ||||||
| 08 | 20:52 | SE 15 | 16.09 | Partly Cloudy | SCT250 | 8.3 | -7.2 | 33% | 6 | 77.57 | 1034.2 | ||||||
| 08 | 19:52 | SE 11 | 16.09 | Partly Cloudy | SCT250 | 8.9 | -8.9 | 12.8 | 8.9 | 28% | 7 | 77.5 | 1033.4 | ||||
| 08 | 18:52 | E 19 | 16.09 | Mostly Cloudy | BKN250 | 11.1 | -10 | 22% | 77.5 | 1033.2 | |||||||
| 08 | 17:52 | E 15 | 16.09 | Mostly Cloudy | BKN250 | 12.2 | -10.6 | 19% | 77.5 | 1033.2 | |||||||
| 08 | 16:52 | Vrbl 9 | 16.09 | Partly Cloudy | SCT250 | 12.2 | -10.6 | 19% | 77.52 | 1033.6 | |||||||
| 08 | 15:52 | Calm | 16.09 | A Few Clouds | FEW250 | 12.2 | -8.9 | 22% | 77.55 | 1034.0 | |||||||
| 08 | 14:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 10.6 | -9.4 | 24% | 77.6 | 1034.7 | |||||||
| 08 | 13:52 | Vrbl 6 | 16.09 | Fair | CLR | 10 | -8.3 | 10 | 1.7 | 27% | 77.65 | 1035.2 | |||||
| 08 | 12:52 | Vrbl 6 | 16.09 | Fair | CLR | 8.9 | -10.6 | 24% | 77.7 | 1035.9 | |||||||
| 08 | 11:52 | Calm | 16.09 | Fair | CLR | 7.2 | -11.1 | 26% | 77.75 | 1036.7 | |||||||
| 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) | |||||||||||||||