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. | ||||||||||||||||
| 15 | 13:52 | SE 20 G 37 | 16.09 | Overcast | OVC042 | 12.8 | 1.1 | 12.8 | 5.6 | 45% | 76.78 | 1023.6 | |||||
| 15 | 12:52 | SE 22 G 35 | 16.09 | Overcast | BKN039 OVC070 | 11.1 | 0 | 47% | 76.89 | 1025.1 | |||||||
| 15 | 11:52 | SE 19 | 16.09 | Overcast | OVC038 | 10 | -2.8 | 41% | 8 | 76.94 | 1025.9 | ||||||
| 15 | 10:52 | SE 17 G 31 | 16.09 | Overcast | OVC040 | 9.4 | -3.3 | 41% | 7 | 77.01 | 1026.8 | ||||||
| 15 | 09:52 | E 19 G 30 | 16.09 | Mostly Cloudy | BKN045 | 8.9 | -4.4 | 39% | 6 | 77.01 | 1026.8 | ||||||
| 15 | 08:52 | E 13 G 30 | 16.09 | Mostly Cloudy | BKN050 BKN170 | 7.8 | -3.9 | 44% | 6 | 77.01 | 1026.8 | ||||||
| 15 | 07:52 | E 6 | 16.09 | Mostly Cloudy | SCT055 SCT170 BKN250 | 5.6 | -4.4 | 6.7 | 2.8 | 49% | 76.99 | 1026.6 | |||||
| 15 | 06:52 | Calm | 16.09 | Mostly Cloudy | BKN055 BKN170 | 6.7 | -5 | 43% | 76.99 | 1026.4 | |||||||
| 15 | 05:52 | E 6 | 16.09 | Mostly Cloudy | BKN048 | 6.1 | -5 | 45% | 76.94 | 1025.8 | |||||||
| 15 | 04:52 | E 7 | 16.09 | Mostly Cloudy | FEW050 BKN200 | 6.7 | -6.1 | 40% | 6 | 76.94 | 1025.8 | ||||||
| 15 | 03:52 | E 11 | 16.09 | Mostly Cloudy | FEW170 BKN200 | 6.7 | -6.7 | 38% | 5 | 76.96 | 1026.0 | ||||||
| 15 | 02:52 | E 6 | 16.09 | Mostly Cloudy | SCT150 BKN180 | 3.9 | -5 | 53% | 76.96 | 1026.2 | |||||||
| 15 | 01:52 | E 6 | 16.09 | Partly Cloudy | FEW140 SCT250 | 4.4 | -6.1 | 12.2 | 3.9 | 47% | 76.96 | 1026.2 | |||||
| 15 | 00:52 | E 6 | 16.09 | Mostly Cloudy | BKN140 BKN250 | 6.7 | -8.3 | 34% | 76.96 | 1026.2 | |||||||
| 14 | 23:52 | E 7 | 16.09 | Partly Cloudy | FEW130 SCT250 | 5.6 | -8.3 | 36% | 4 | 76.96 | 1026.1 | ||||||
| 14 | 22:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 7.2 | -8.3 | 33% | 76.94 | 1025.8 | |||||||
| 14 | 21:52 | E 7 | 16.09 | A Few Clouds | FEW200 | 6.7 | -8.3 | 34% | 6 | 76.89 | 1025.2 | ||||||
| 14 | 20:52 | N 11 | 16.09 | Fair | CLR | 10 | -10 | 24% | 9 | 76.78 | 1023.8 | ||||||
| 14 | 19:52 | N 11 | 16.09 | Mostly Cloudy | FEW140 BKN200 | 11.1 | -9.4 | 15.6 | 10.6 | 23% | 76.71 | 1022.6 | |||||
| 14 | 18:52 | NW 17 | 16.09 | Mostly Cloudy | FEW140 BKN200 | 13.3 | -10 | 19% | 76.66 | 1022.1 | |||||||
| 14 | 17:52 | N 15 | 16.09 | Mostly Cloudy | BKN200 | 15 | -10 | 17% | 76.58 | 1021.0 | |||||||
| 14 | 16:52 | NW 13 | 16.09 | Mostly Cloudy | BKN200 | 15.6 | -9.4 | 17% | 76.58 | 1020.8 | |||||||
| 14 | 15:52 | NW 19 | 16.09 | Mostly Cloudy | BKN200 | 15 | -8.3 | 19% | 76.56 | 1020.8 | |||||||
| 14 | 14:52 | W 26 G 37 | 16.09 | Mostly Cloudy | BKN200 | 14.4 | -8.3 | 20% | 76.53 | 1020.4 | |||||||
| 14 | 13:52 | NW 31 G 44 | 16.09 | Mostly Cloudy | FEW180 BKN250 | 13.9 | -8.3 | 13.9 | 7.8 | 21% | 76.58 | 1021.0 | |||||
| 14 | 12:52 | W 28 G 39 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 13.3 | -7.8 | 22% | 76.58 | 1020.9 | |||||||
| 14 | 11:52 | NW 33 G 44 | 14.48 | Mostly Cloudy and Breezy | FEW200 BKN250 | 11.7 | -7.2 | 26% | 76.53 | 1020.3 | |||||||
| 14 | 10:52 | NW 24 G 44 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 10.6 | -7.8 | 27% | 76.5 | 1019.9 | |||||||
| 14 | 09:52 | NW 26 G 41 | 16.09 | Mostly Cloudy | BKN250 | 10 | -8.3 | 27% | 7 | 76.43 | 1018.9 | ||||||
| 14 | 08:52 | W 11 | 16.09 | Mostly Cloudy | BKN250 | 10.6 | -8.3 | 26% | 76.33 | 1017.5 | |||||||
| 14 | 07:52 | W 9 | 16.09 | Partly Cloudy | SCT250 | 7.8 | -10 | 11.1 | 6.7 | 27% | 6 | 76.23 | 1016.3 | ||||
| 14 | 06:52 | W 9 | 16.09 | A Few Clouds | FEW250 | 8.3 | -11.7 | 23% | 7 | 76.1 | 1014.6 | ||||||
| 14 | 05:52 | W 9 | 16.09 | A Few Clouds | FEW250 | 10 | -12.8 | 19% | 9 | 76 | 1013.2 | ||||||
| 14 | 04:52 | W 17 G 33 | 16.09 | A Few Clouds | FEW250 | 9.4 | -6.1 | 33% | 7 | 75.9 | 1011.9 | ||||||
| 14 | 03:52 | SW 9 | 16.09 | A Few Clouds | FEW250 | 7.8 | -1.7 | 51% | 6 | 75.84 | 1011.1 | ||||||
| 14 | 02:52 | S 17 | 16.09 | A Few Clouds | FEW085 | 8.9 | -1.7 | 48% | 7 | 75.79 | 1010.6 | ||||||
| 14 | 01:52 | SW 13 G 35 | 16.09 | A Few Clouds | FEW050 | 10 | -1.1 | 12.2 | 10 | 46% | 8 | 75.77 | 1010.1 | ||||
| 14 | 00:52 | SW 15 | 16.09 | A Few Clouds | FEW050 FEW200 | 10.6 | -1.7 | 43% | 75.74 | 1009.7 | |||||||
| 13 | 23:52 | SW 15 | 16.09 | A Few Clouds | FEW200 | 11.1 | -1.7 | 41% | 75.69 | 1009.1 | |||||||
| 13 | 22:52 | SW 22 | 16.09 | A Few Clouds | FEW200 | 11.7 | -2.2 | 38% | 75.64 | 1008.4 | |||||||
| 13 | 21:52 | SW 24 G 43 | 16.09 | A Few Clouds | FEW200 | 11.7 | -2.2 | 38% | 75.59 | 1007.8 | |||||||
| 13 | 20:52 | S 31 G 50 | 16.09 | A Few Clouds | FEW200 | 12.2 | -2.8 | 35% | 75.51 | 1006.7 | |||||||
| 13 | 19:52 | S 30 G 50 | 16.09 | Partly Cloudy | FEW100 SCT200 | 12.2 | -2.8 | 13.3 | 10 | 35% | 75.49 | 1006.5 | |||||
| 13 | 18:52 | S 28 G 48 | 16.09 | Partly Cloudy | FEW100 SCT200 | 12.2 | -2.2 | 37% | 75.46 | 1006.3 | |||||||
| 13 | 17:52 | SW 43 G 65 | 16.09 | Mostly Cloudy and Windy | FEW100 BKN200 | 12.8 | -2.8 | 34% | 75.51 | 1006.8 | |||||||
| 13 | 16:52 | S 39 G 72 | 16.09 | Mostly Cloudy and Breezy | FEW100 BKN200 | 12.8 | -3.9 | 31% | 75.51 | 1006.8 | |||||||
| 13 | 15:52 | S 46 G 76 | 16.09 | Mostly Cloudy and Windy | FEW110 BKN250 | 12.2 | -4.4 | 31% | 75.64 | 1008.4 | |||||||
| 13 | 14:52 | S 35 G 59 | 16.09 | Mostly Cloudy and Breezy | FEW120 BKN200 | 10.6 | -5.6 | 32% | 75.84 | 1011.5 | |||||||
| 13 | 13:52 | S 33 G 65 | 16.09 | Mostly Cloudy and Breezy | BKN110 BKN250 | 10.6 | -5.6 | 11.1 | -1.7 | 32% | 76.05 | 1014.2 | |||||
| 13 | 12:52 | S 35 G 57 | 16.09 | Mostly Cloudy and Breezy | BKN110 BKN250 | 8.3 | -6.1 | 36% | 4 | 76.17 | 1015.6 | ||||||
| 13 | 11:52 | S 31 G 43 | 16.09 | Overcast | BKN110 OVC250 | 7.2 | -6.1 | 39% | 3 | 76.43 | 1019.0 | ||||||
| 13 | 10:52 | S 24 G 41 | 16.09 | Mostly Cloudy | SCT110 BKN250 | 7.2 | -5.6 | 40% | 4 | 76.5 | 1020.1 | ||||||
| 13 | 09:52 | S 20 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 4.4 | -4.4 | 53% | 1 | 76.58 | 1021.1 | ||||||
| 13 | 07:52 | S 9 | 16.09 | Mostly Cloudy | BKN240 | -1.7 | -5.6 | -1.1 | -3.3 | 75% | -5 | 76.63 | 1021.8 | ||||
| 13 | 06:52 | S 6 | 16.09 | Fair | CLR | -1.7 | -6.7 | 69% | 76.58 | 1021.3 | |||||||
| 13 | 05:52 | S 6 | 16.09 | Fair | CLR | -2.2 | -6.1 | 75% | 76.56 | 1020.9 | |||||||
| 13 | 04:52 | S 6 | 16.09 | Fair | CLR | -1.7 | -5 | 78% | 76.63 | 1021.9 | |||||||
| 13 | 03:52 | S 7 | 16.09 | Fair | CLR | -1.7 | -6.1 | 72% | -4 | 76.58 | 1021.2 | ||||||
| 13 | 02:52 | Calm | 16.09 | Fair | CLR | -2.2 | -5.6 | 78% | 76.61 | 1021.5 | |||||||
| 13 | 01:52 | S 6 | 16.09 | Fair | CLR | -2.2 | -6.1 | 5 | -2.2 | 75% | 76.58 | 1021.2 | |||||
| 13 | 00:52 | Calm | 16.09 | Fair | CLR | -2.2 | -5.6 | 78% | 76.53 | 1020.4 | |||||||
| 12 | 23:52 | Calm | 16.09 | Fair | CLR | -1.7 | -5 | 78% | 76.53 | 1020.5 | |||||||
| 12 | 22:52 | Vrbl 6 | 16.09 | Fair | CLR | 0.6 | -6.7 | 58% | 76.53 | 1020.6 | |||||||
| 12 | 21:52 | W 6 | 16.09 | Fair | CLR | 2.8 | -7.8 | 46% | 76.56 | 1020.9 | |||||||
| 12 | 20:52 | NW 13 | 16.09 | A Few Clouds | FEW085 | 4.4 | -8.3 | 40% | 2 | 76.5 | 1019.9 | ||||||
| 12 | 19:52 | NW 15 | 16.09 | A Few Clouds | FEW085 | 5 | -7.8 | 7.2 | 0.6 | 39% | 2 | 76.38 | 1018.3 | ||||
| 12 | 18:52 | NW 26 G 48 | 16.09 | Partly Cloudy | SCT085 | 6.1 | -7.8 | 37% | 2 | 76.28 | 1016.9 | ||||||
| 12 | 17:52 | NW 22 G 43 | 16.09 | A Few Clouds | FEW065 FEW120 | 7.2 | -5.6 | 40% | 4 | 76.12 | 1014.9 | ||||||
| 12 | 16:52 | NW 31 G 52 | 16.09 | Partly Cloudy | FEW060 FEW120 SCT250 | 6.7 | -3.9 | 47% | 3 | 76.07 | 1014.1 | ||||||
| 12 | 15:52 | S 6 | 16.09 | Mostly Cloudy | FEW050 SCT080 BKN120 | 2.8 | 1.1 | 89% | 76.07 | 1014.2 | |||||||
| 12 | 14:52 | SE 6 | 16.09 | Mostly Cloudy | FEW040 SCT075 BKN090 | 1.1 | 0.6 | 97% | 76.07 | 1014.1 | |||||||
| 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) | |||||||||||||||