Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (est) | 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. | ||||||||||||||||
| 06 | 16:52 | NW 9 | 16.09 | A Few Clouds | FEW070 | 13.3 | -6.1 | 26% | 76.56 | 1020.7 | |||||||
| 06 | 15:52 | NW 19 | 16.09 | A Few Clouds | FEW070 | 15 | -6.7 | 22% | 76.56 | 1020.6 | |||||||
| 06 | 14:52 | NW 26 G 41 | 16.09 | A Few Clouds | FEW060 | 15 | -5.6 | 24% | 76.56 | 1020.5 | |||||||
| 06 | 13:52 | NW 26 G 43 | 16.09 | A Few Clouds | FEW060 | 15 | -4.4 | 26% | 76.58 | 1020.9 | |||||||
| 06 | 12:52 | NW 15 G 39 | 14.48 | A Few Clouds | FEW060 | 14.4 | -4.4 | 15 | 6.7 | 27% | 76.61 | 1021.3 | |||||
| 06 | 11:52 | NW 17 G 31 | 16.09 | A Few Clouds | FEW060 | 13.9 | -3.9 | 29% | 76.68 | 1022.2 | |||||||
| 06 | 10:52 | NW 28 G 46 | 11.27 | A Few Clouds | FEW060 | 12.8 | -4.4 | 30% | 76.73 | 1022.9 | |||||||
| 06 | 09:52 | NW 28 G 46 | 14.48 | A Few Clouds | FEW033 FEW065 | 11.7 | -3.3 | 35% | 76.73 | 1022.8 | |||||||
| 06 | 08:52 | W 13 G 31 | 16.09 | A Few Clouds | FEW060 | 10.6 | -3.9 | 36% | 76.73 | 1022.8 | |||||||
| 06 | 07:52 | W 11 | 16.09 | A Few Clouds | FEW070 | 8.9 | -3.9 | 41% | 7 | 76.68 | 1022.2 | ||||||
| 06 | 06:52 | NW 15 | 16.09 | A Few Clouds | FEW060 | 7.2 | -3.9 | 13.3 | 7.2 | 46% | 5 | 76.58 | 1021.1 | ||||
| 06 | 05:52 | NW 13 | 16.09 | A Few Clouds | FEW055 | 7.8 | -5.6 | 38% | 6 | 76.53 | 1020.3 | ||||||
| 06 | 04:52 | NW 17 | 16.09 | A Few Clouds | FEW055 | 8.3 | -5.6 | 37% | 6 | 76.45 | 1019.3 | ||||||
| 06 | 03:52 | NW 17 G 31 | 16.09 | A Few Clouds | FEW055 | 10.6 | -4.4 | 35% | 76.38 | 1018.1 | |||||||
| 06 | 02:52 | NW 19 G 35 | 16.09 | A Few Clouds | FEW060 | 11.1 | -0.6 | 45% | 76.33 | 1017.4 | |||||||
| 06 | 01:52 | N 20 G 43 | 14.48 | A Few Clouds | FEW055 | 12.8 | 0.6 | 44% | 76.23 | 1016.0 | |||||||
| 06 | 00:52 | NW 20 G 35 | 16.09 | A Few Clouds | FEW040 | 13.3 | 0.6 | 21.7 | 13.3 | 42% | 76.12 | 1014.8 | |||||
| 05 | 23:52 | NW 24 G 44 | 16.09 | Mostly Cloudy | FEW075 BKN090 | 15.6 | 5.6 | 52% | 75.97 | 1012.8 | |||||||
| 05 | 22:52 | NW 41 G 69 | 11.27 | Overcast and Breezy | OVC070 | 20 | 6.7 | 42% | 75.77 | 1009.8 | |||||||
| 05 | 21:52 | Vrbl 11 | 16.09 | Partly Cloudy | SCT080 | 17.8 | 4.4 | 41% | 75.62 | 1008.0 | |||||||
| 05 | 20:52 | SW 13 | 16.09 | Mostly Cloudy | BKN085 | 19.4 | 3.9 | 36% | 75.59 | 1007.6 | |||||||
| 05 | 19:52 | S 17 | 16.09 | Partly Cloudy | SCT090 | 15.6 | 5 | 50% | 75.62 | 1008.0 | |||||||
| 05 | 18:52 | SW 7 | 16.09 | A Few Clouds | FEW150 FEW250 | 17.2 | 3.9 | 23.3 | 16.1 | 41% | 75.62 | 1008.1 | |||||
| 05 | 17:52 | SW 15 | 16.09 | Partly Cloudy | FEW140 SCT250 | 18.3 | 3.9 | 39% | 75.57 | 1007.5 | |||||||
| 05 | 16:52 | SW 19 G 39 | 16.09 | Partly Cloudy | FEW140 SCT250 | 21.7 | 3.3 | 30% | 75.54 | 1007.0 | |||||||
| 05 | 15:52 | SW 28 G 44 | 16.09 | A Few Clouds | FEW140 FEW250 | 22.8 | 2.2 | 26% | 75.57 | 1007.2 | |||||||
| 05 | 14:52 | SW 28 G 52 | 16.09 | Partly Cloudy | FEW140 SCT250 | 22.2 | 3.3 | 29% | 75.62 | 1008.1 | |||||||
| 05 | 13:52 | SW 22 G 41 | 16.09 | Mostly Cloudy | BKN250 | 22.8 | 2.8 | 27% | 75.72 | 1009.4 | |||||||
| 05 | 12:52 | SW 20 G 41 | 16.09 | Mostly Cloudy | BKN250 | 20.6 | 1.7 | 21.1 | 2.8 | 29% | 75.82 | 1011.0 | |||||
| 05 | 11:52 | S 20 G 35 | 16.09 | Mostly Cloudy | BKN250 | 20 | 1.1 | 28% | 76.02 | 1013.4 | |||||||
| 05 | 09:52 | S 17 | 16.09 | A Few Clouds | FEW170 | 13.9 | 0 | 39% | 76.28 | 1016.9 | |||||||
| 05 | 08:52 | S 17 | 16.09 | A Few Clouds | FEW170 | 10.6 | -1.7 | 43% | 76.4 | 1018.6 | |||||||
| 05 | 07:52 | S 9 | 16.09 | A Few Clouds | FEW170 FEW250 | 7.2 | -1.1 | 56% | 6 | 76.5 | 1019.8 | ||||||
| 05 | 06:52 | Calm | 16.09 | Partly Cloudy | SCT170 SCT250 | 3.9 | -2.2 | 5 | 0.6 | 65% | 76.56 | 1020.7 | |||||
| 05 | 05:52 | Calm | 16.09 | Fair | CLR | 3.9 | -2.8 | 62% | 76.61 | 1021.3 | |||||||
| 05 | 04:52 | Calm | 16.09 | Partly Cloudy | SCT140 | 3.3 | -1.7 | 70% | 76.63 | 1021.6 | |||||||
| 05 | 03:52 | S 6 | 16.09 | Partly Cloudy | SCT140 | 4.4 | -1.7 | 65% | 76.66 | 1022.0 | |||||||
| 05 | 02:52 | Calm | 16.09 | Partly Cloudy | SCT140 | 0.6 | -2.8 | 78% | 76.68 | 1022.2 | |||||||
| 05 | 01:52 | E 6 | 16.09 | A Few Clouds | FEW140 | 2.8 | -2.8 | 67% | 76.71 | 1022.5 | |||||||
| 05 | 00:52 | Calm | 16.09 | A Few Clouds | FEW140 | 3.9 | -2.8 | 13.9 | 2.8 | 62% | 76.73 | 1023.1 | |||||
| 04 | 23:52 | S 6 | 16.09 | Fair | CLR | 3.3 | -2.8 | 65% | 76.78 | 1023.7 | |||||||
| 04 | 22:52 | Calm | 16.09 | Fair | CLR | 6.7 | -4.4 | 45% | 76.81 | 1024.0 | |||||||
| 04 | 21:52 | Calm | 16.09 | A Few Clouds | FEW200 | 6.1 | -4.4 | 47% | 76.84 | 1024.3 | |||||||
| 04 | 20:52 | S 6 | 16.09 | Partly Cloudy | SCT200 | 8.9 | -5 | 37% | 76.84 | 1024.3 | |||||||
| 04 | 19:52 | W 13 | 16.09 | Mostly Cloudy | FEW120 BKN200 | 12.8 | -6.7 | 25% | 76.81 | 1023.9 | |||||||
| 04 | 18:52 | W 9 | 16.09 | Partly Cloudy | SCT200 | 13.9 | -6.7 | 17.8 | 11.7 | 24% | 76.78 | 1023.8 | |||||
| 04 | 17:52 | W 9 | 16.09 | A Few Clouds | FEW060 FEW250 | 13.9 | -6.7 | 24% | 76.76 | 1023.3 | |||||||
| 04 | 15:52 | W 15 | 16.09 | Partly Cloudy | SCT250 | 17.8 | -5 | 21% | 76.66 | 1022.0 | |||||||
| 04 | 14:52 | W 20 | 16.09 | Partly Cloudy | SCT250 | 17.2 | -4.4 | 23% | 76.68 | 1022.1 | |||||||
| 04 | 13:52 | W 28 G 43 | 16.09 | Mostly Cloudy | BKN250 | 17.2 | -5 | 22% | 76.71 | 1022.7 | |||||||
| 04 | 12:52 | NW 22 G 37 | 16.09 | Mostly Cloudy | FEW150 BKN250 | 16.7 | -3.9 | 17.2 | 7.8 | 24% | 76.76 | 1023.4 | |||||
| 04 | 11:52 | NW 20 G 35 | 16.09 | Mostly Cloudy | BKN250 | 15.6 | -3.3 | 27% | 76.86 | 1024.5 | |||||||
| 04 | 10:52 | W 20 G 37 | 16.09 | Mostly Cloudy | BKN250 | 15.6 | -1.7 | 31% | 76.91 | 1025.2 | |||||||
| 04 | 09:52 | W 20 G 31 | 16.09 | Mostly Cloudy | BKN250 | 14.4 | -0.6 | 36% | 76.91 | 1025.2 | |||||||
| 04 | 08:52 | W 15 | 16.09 | Mostly Cloudy | BKN250 | 12.8 | -1.1 | 38% | 76.94 | 1025.5 | |||||||
| 04 | 07:52 | W 9 | 16.09 | Mostly Cloudy | BKN250 | 10.6 | -0.6 | 46% | 76.86 | 1024.8 | |||||||
| 04 | 06:52 | SW 11 | 16.09 | A Few Clouds | FEW250 | 7.8 | -1.1 | 11.7 | 4.4 | 54% | 6 | 76.78 | 1023.7 | ||||
| 04 | 05:52 | SW 11 | 16.09 | Fair | CLR | 7.2 | -1.1 | 56% | 5 | 76.71 | 1022.8 | ||||||
| 04 | 04:52 | SW 7 | 16.09 | Fair | CLR | 4.4 | -1.1 | 68% | 3 | 76.68 | 1022.2 | ||||||
| 04 | 03:52 | Calm | 16.09 | Fair | CLR | 5 | -0.6 | 67% | 76.58 | 1021.0 | |||||||
| 04 | 02:52 | W 9 | 16.09 | Fair | CLR | 10 | 0 | 50% | 9 | 76.56 | 1020.5 | ||||||
| 04 | 00:52 | NW 20 | 16.09 | Fair | CLR | 11.7 | 1.7 | 15 | 11.7 | 51% | 76.45 | 1019.2 | |||||
| 03 | 23:52 | NW 22 G 41 | 16.09 | Fair | CLR | 11.7 | 2.8 | 55% | 76.43 | 1018.7 | |||||||
| 03 | 22:52 | NW 20 | 16.09 | Fair | CLR | 11.7 | 2.2 | 52% | 76.4 | 1018.4 | |||||||
| 03 | 20:52 | NW 30 | 16.09 | Fair | CLR | 13.3 | 1.7 | 46% | 76.33 | 1017.5 | |||||||
| 03 | 19:52 | NW 33 G 50 | 16.09 | Fair and Breezy | CLR | 13.9 | 1.1 | 42% | 76.28 | 1016.9 | |||||||
| 03 | 18:52 | NW 19 | 16.09 | Fair | CLR | 13.9 | 1.7 | 20 | 13.9 | 44% | 76.23 | 1016.3 | |||||
| Date | Time (est) | 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) | |||||||||||||||