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. | ||||||||||||||||
| 18 | 17:52 | SE 19 G 30 | 16.09 | A Few Clouds | FEW070 FEW250 | 33.3 | 17.2 | 38% | 34 | 76.43 | 1018.6 | ||||||
| 18 | 16:52 | SE 15 | 16.09 | A Few Clouds | FEW070 FEW250 | 33.9 | 17.8 | 38% | 35 | 76.45 | 1018.9 | ||||||
| 18 | 15:52 | SW 13 G 28 | 16.09 | A Few Clouds | FEW075 FEW250 | 34.4 | 16.7 | 35% | 35 | 76.5 | 1019.6 | ||||||
| 18 | 14:52 | E 13 | 16.09 | A Few Clouds | FEW060 | 33.9 | 17.8 | 38% | 35 | 76.53 | 1020.0 | ||||||
| 18 | 13:52 | SE 6 | 16.09 | A Few Clouds | FEW050 | 33.9 | 16.7 | 33.9 | 22.2 | 36% | 34 | 76.58 | 1020.5 | ||||
| 18 | 12:52 | Vrbl 6 | 16.09 | Fair | CLR | 32.8 | 16.7 | 38% | 33 | 76.61 | 1020.8 | ||||||
| 18 | 11:52 | Calm | 16.09 | Fair | CLR | 31.7 | 17.2 | 42% | 32 | 76.66 | 1021.5 | ||||||
| 18 | 10:52 | S 9 | 16.09 | Partly Cloudy | SCT250 | 30 | 18.9 | 51% | 31 | 76.66 | 1021.7 | ||||||
| 18 | 09:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 27.8 | 18.9 | 58% | 29 | 76.68 | 1021.8 | ||||||
| 18 | 08:52 | S 7 | 16.09 | Partly Cloudy | SCT250 | 23.9 | 18.3 | 71% | 25 | 76.68 | 1022.0 | ||||||
| 18 | 06:52 | Calm | 16.09 | Partly Cloudy | FEW120 SCT250 | 17.8 | 16.1 | 90% | 76.63 | 1021.2 | |||||||
| 18 | 05:52 | Calm | 16.09 | A Few Clouds | FEW120 FEW250 | 16.7 | 15.6 | 93% | 76.58 | 1020.5 | |||||||
| 18 | 04:52 | Calm | 16.09 | Fair | CLR | 18.3 | 16.1 | 87% | 76.56 | 1020.2 | |||||||
| 18 | 03:52 | SE 6 | 16.09 | Fair | CLR | 17.2 | 15.6 | 90% | 76.53 | 1019.9 | |||||||
| 18 | 02:52 | Calm | 16.09 | Fair | CLR | 18.9 | 16.1 | 84% | 76.53 | 1020.0 | |||||||
| 17 | 23:52 | S 13 | 16.09 | Partly Cloudy | SCT180 | 23.9 | 16.1 | 62% | 25 | 76.53 | 1020.0 | ||||||
| 17 | 22:52 | S 9 | 16.09 | Mostly Cloudy | BKN180 | 24.4 | 16.1 | 60% | 26 | 76.53 | 1020.0 | ||||||
| 17 | 21:52 | SE 9 | 16.09 | Partly Cloudy | SCT180 | 25 | 16.7 | 60% | 26 | 76.48 | 1019.4 | ||||||
| 17 | 20:52 | S 7 | 16.09 | Partly Cloudy | FEW090 SCT180 SCT250 | 23.3 | 16.7 | 67% | 76.45 | 1019.0 | |||||||
| 17 | 19:52 | S 7 | 16.09 | Partly Cloudy | FEW100 SCT180 SCT250 | 27.2 | 16.1 | 31.1 | 27.2 | 51% | 28 | 76.43 | 1018.7 | ||||
| 17 | 18:52 | SW 6 | 16.09 | Partly Cloudy | FEW060 FEW090 SCT110 SCT250 | 28.9 | 15.6 | 44% | 29 | 76.4 | 1018.5 | ||||||
| 17 | 17:52 | SW 6 | 16.09 | Partly Cloudy | FEW060 FEW110 SCT250 | 30 | 15.6 | 42% | 30 | 76.4 | 1018.4 | ||||||
| 17 | 16:52 | SW 13 | 16.09 | Partly Cloudy | FEW060 FEW110 SCT250 | 30.6 | 15.6 | 40% | 30 | 76.4 | 1018.2 | ||||||
| 17 | 15:52 | W 9 | 16.09 | Partly Cloudy | FEW050 FEW110 SCT180 SCT250 | 30.6 | 15.6 | 40% | 30 | 76.43 | 1018.7 | ||||||
| 17 | 14:52 | NW 11 G 30 | 16.09 | Partly Cloudy | FEW050 FEW110 SCT170 SCT250 | 29.4 | 15.6 | 43% | 29 | 76.48 | 1019.3 | ||||||
| 17 | 13:52 | NW 9 | 16.09 | Mostly Cloudy | FEW050 SCT075 SCT090 BKN150 BKN250 | 28.3 | 15.6 | 28.3 | 18.3 | 46% | 28 | 76.53 | 1019.9 | 0.03 | |||
| 17 | 11:52 | NW 7 | 16.09 | Mostly Cloudy | BKN050 BKN065 BKN100 BKN150 | 24.4 | 18.3 | 69% | 25 | 76.58 | 1020.8 | ||||||
| 17 | 10:52 | S 7 | 16.09 | Mostly Cloudy | SCT042 BKN110 BKN150 BKN250 | 21.7 | 17.8 | 79% | 76.56 | 1020.5 | 0.03 | 0.03 | |||||
| 17 | 09:52 | SW 9 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 21.1 | 16.1 | 73% | 76.56 | 1020.3 | |||||||
| 17 | 08:52 | SW 7 | 16.09 | Mostly Cloudy | BKN130 BKN250 | 21.1 | 16.1 | 73% | 76.53 | 1020.1 | |||||||
| 17 | 07:52 | S 7 | 16.09 | Mostly Cloudy | SCT150 BKN250 | 18.3 | 15.6 | 18.3 | 13.9 | 84% | 76.48 | 1019.5 | |||||
| 17 | 06:52 | Calm | 16.09 | Mostly Cloudy | FEW120 BKN250 | 16.1 | 14.4 | 90% | 76.38 | 1018.1 | |||||||
| 17 | 05:52 | Calm | 16.09 | Mostly Cloudy | FEW120 BKN250 | 15 | 13.9 | 93% | 76.3 | 1017.1 | |||||||
| 17 | 04:52 | E 6 | 16.09 | A Few Clouds | FEW250 | 15.6 | 13.9 | 90% | 76.33 | 1017.1 | |||||||
| 17 | 03:52 | E 6 | 16.09 | Fair | CLR | 15 | 13.9 | 93% | 76.25 | 1016.4 | |||||||
| 17 | 02:52 | Calm | 16.09 | A Few Clouds | FEW060 FEW250 | 16.1 | 15 | 93% | 76.25 | 1016.4 | |||||||
| 16 | 23:52 | NW 7 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 18.9 | 15 | 78% | 76.23 | 1015.9 | |||||||
| 16 | 22:52 | Calm | 16.09 | Mostly Cloudy | FEW120 FEW150 BKN250 | 17.8 | 15 | 84% | 76.2 | 1015.6 | |||||||
| 16 | 21:52 | Calm | 16.09 | Mostly Cloudy | FEW120 SCT150 BKN250 | 21.7 | 15.6 | 68% | 76.17 | 1015.5 | |||||||
| 16 | 20:52 | W 6 | 16.09 | Overcast | FEW060 BKN110 BKN180 OVC250 | 23.3 | 15 | 60% | 76.15 | 1015.1 | |||||||
| 16 | 19:52 | S 6 | 16.09 | Overcast | OVC095 | 23.3 | 15 | 29.4 | 23.3 | 60% | 76.12 | 1014.8 | |||||
| 16 | 18:52 | SW 9 | 16.09 | Mostly Cloudy | FEW070 BKN110 BKN180 BKN250 | 25 | 14.4 | 52% | 26 | 76.15 | 1015.1 | ||||||
| 16 | 17:52 | W 26 G 43 | 16.09 | Overcast | FEW060 BKN075 BKN130 OVC250 | 26.1 | 12.8 | 44% | 26 | 76.23 | 1015.9 | ||||||
| 16 | 16:52 | SW 22 | 16.09 | Mostly Cloudy | FEW060 SCT080 BKN130 BKN250 | 28.9 | 11.7 | 34% | 28 | 76.17 | 1015.3 | ||||||
| 16 | 15:52 | S 20 G 39 | 16.09 | Partly Cloudy | FEW090 FEW180 SCT250 | 28.3 | 10.6 | 33% | 27 | 76.2 | 1015.8 | ||||||
| 16 | 14:52 | S 15 | 16.09 | A Few Clouds | FEW075 FEW250 | 27.8 | 9.4 | 32% | 27 | 76.23 | 1016.1 | ||||||
| 16 | 13:52 | S 22 G 33 | 16.09 | A Few Clouds | FEW075 FEW250 | 27.2 | 7.8 | 27.2 | 14.4 | 29% | 27 | 76.28 | 1016.9 | ||||
| 16 | 12:52 | S 9 G 30 | 16.09 | Partly Cloudy | FEW075 SCT250 | 25 | 9.4 | 37% | 26 | 76.38 | 1017.9 | ||||||
| 16 | 11:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 23.3 | 10 | 43% | 76.4 | 1018.5 | |||||||
| 16 | 10:52 | S 9 | 16.09 | A Few Clouds | FEW250 | 21.7 | 10.6 | 49% | 76.45 | 1019.2 | |||||||
| 16 | 09:52 | SW 9 | 16.09 | A Few Clouds | FEW070 FEW250 | 19.4 | 9.4 | 53% | 76.5 | 1019.8 | |||||||
| 16 | 08:52 | SW 9 | 16.09 | Fair | CLR | 17.2 | 9.4 | 60% | 76.5 | 1019.9 | |||||||
| 16 | 07:52 | S 7 | 16.09 | Fair | CLR | 14.4 | 9.4 | 14.4 | 7.2 | 72% | 76.53 | 1020.0 | |||||
| 16 | 06:52 | Calm | 16.09 | A Few Clouds | FEW050 FEW130 | 9.4 | 8.3 | 93% | 76.5 | 1019.9 | |||||||
| 16 | 05:52 | SE 6 | 16.09 | A Few Clouds | FEW050 | 7.8 | 7.2 | 96% | 76.45 | 1019.3 | |||||||
| 16 | 03:52 | Calm | 16.09 | Fair | CLR | 8.3 | 7.2 | 93% | 76.4 | 1018.4 | |||||||
| 16 | 02:52 | Calm | 16.09 | Fair | CLR | 9.4 | 7.8 | 90% | 76.4 | 1018.6 | |||||||
| 16 | 01:52 | Calm | 16.09 | A Few Clouds | FEW180 | 10.6 | 7.8 | 21.1 | 10.6 | 83% | 76.43 | 1018.9 | |||||
| 16 | 00:52 | Calm | 16.09 | Partly Cloudy | SCT180 | 12.2 | 8.3 | 77% | 76.43 | 1018.7 | |||||||
| 15 | 23:52 | Calm | 16.09 | Partly Cloudy | SCT180 | 11.7 | 8.3 | 80% | 76.4 | 1018.4 | |||||||
| 15 | 22:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 12.8 | 8.3 | 74% | 76.4 | 1018.4 | |||||||
| 15 | 21:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 14.4 | 7.8 | 65% | 76.38 | 1018.1 | |||||||
| 15 | 20:52 | Calm | 16.09 | Mostly Cloudy | BKN140 BKN250 | 15 | 7.8 | 62% | 76.28 | 1017.0 | |||||||
| 15 | 19:52 | N 7 | 16.09 | Mostly Cloudy | FEW100 BKN140 BKN250 | 21.1 | 6.1 | 22.8 | 19.4 | 38% | 76.23 | 1016.1 | |||||
| 15 | 18:52 | N 9 | 16.09 | Mostly Cloudy | FEW100 BKN140 BKN250 | 22.2 | 6.1 | 35% | 76.17 | 1015.5 | |||||||
| 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) | |||||||||||||||