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 | 23:52 | S 15 | 16.09 | Fair | CLR | 10 | 6.1 | 77% | 8 | 76.63 | 1021.6 | ||||||
| 11 | 22:52 | S 11 | 16.09 | Fair | CLR | 10.6 | 6.7 | 77% | 76.61 | 1021.4 | |||||||
| 11 | 21:52 | S 13 | 16.09 | Fair | CLR | 11.1 | 6.1 | 72% | 76.58 | 1021.0 | |||||||
| 11 | 20:52 | S 9 | 16.09 | A Few Clouds | FEW100 | 11.7 | 5.6 | 66% | 76.53 | 1020.4 | |||||||
| 11 | 19:52 | S 6 | 16.09 | A Few Clouds | FEW100 | 12.8 | 4.4 | 17.8 | 12.2 | 57% | 76.5 | 1019.7 | |||||
| 11 | 18:52 | S 6 | 16.09 | A Few Clouds | FEW055 FEW120 | 16.7 | 0 | 32% | 76.45 | 1019.3 | |||||||
| 11 | 17:52 | NW 9 | 16.09 | A Few Clouds | FEW040 FEW100 | 17.2 | -0.6 | 30% | 76.45 | 1019.1 | |||||||
| 11 | 16:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW045 FEW120 | 17.2 | 1.1 | 34% | 76.43 | 1019.0 | |||||||
| 11 | 15:52 | Vrbl 7 | 16.09 | Mostly Cloudy | FEW040 BKN120 | 15 | 3.9 | 48% | 76.48 | 1019.7 | |||||||
| 11 | 14:52 | Calm | 16.09 | Mostly Cloudy | FEW040 BKN100 | 12.8 | 5.6 | 62% | 76.56 | 1020.5 | |||||||
| 11 | 13:52 | S 13 | 16.09 | Mostly Cloudy | FEW035 BKN120 | 12.2 | 6.7 | 12.2 | 10 | 69% | 76.61 | 1021.2 | 0.08 | ||||
| 11 | 12:52 | SW 11 | 16.09 | Mostly Cloudy | FEW050 BKN100 | 11.7 | 6.1 | 69% | 76.66 | 1021.9 | |||||||
| 11 | 11:52 | SW 6 | 16.09 | Mostly Cloudy | BKN120 | 11.1 | 5.6 | 69% | 76.66 | 1022.0 | |||||||
| 11 | 10:52 | Calm | 16.09 | Overcast | OVC075 | 10.6 | 6.7 | 77% | 76.68 | 1022.1 | 0.08 | ||||||
| 11 | 09:52 | Calm | 16.09 | Light Rain | OVC070 | 11.1 | 6.1 | 72% | 76.63 | 1021.7 | 0.03 | ||||||
| 11 | 08:52 | N 7 | 16.09 | Light Rain | OVC075 | 11.1 | 3.9 | 61% | 76.61 | 1021.3 | 0.05 | ||||||
| 11 | 07:52 | N 15 | 16.09 | Overcast | SCT065 OVC085 | 12.2 | 1.7 | 16.1 | 11.7 | 49% | 76.58 | 1020.9 | |||||
| 11 | 06:52 | N 13 | 16.09 | Overcast | FEW065 OVC095 | 12.2 | 2.2 | 51% | 76.53 | 1020.1 | |||||||
| 11 | 05:52 | N 9 | 16.09 | Light Rain | BKN080 OVC100 | 12.2 | 3.9 | 57% | 76.48 | 1019.4 | |||||||
| 11 | 03:52 | N 15 | 16.09 | Overcast | OVC075 | 14.4 | 3.3 | 48% | 76.4 | 1018.5 | |||||||
| 11 | 02:52 | N 19 | 16.09 | Overcast | BKN060 OVC095 | 15 | 5.6 | 54% | 76.38 | 1018.1 | |||||||
| 11 | 01:52 | N 17 | 16.09 | Overcast | BKN055 BKN070 OVC100 | 16.7 | 9.4 | 18.9 | 16.1 | 62% | 76.35 | 1017.6 | |||||
| 11 | 00:52 | NW 7 | 16.09 | Overcast | BKN080 OVC160 | 17.2 | 12.8 | 76% | 76.35 | 1017.6 | |||||||
| 10 | 23:52 | N 19 | 16.09 | Overcast | FEW050 OVC160 | 17.8 | 12.8 | 73% | 76.3 | 1017.1 | |||||||
| 10 | 22:52 | N 17 | 16.09 | Partly Cloudy | FEW050 SCT070 SCT085 | 17.8 | 15 | 84% | 76.3 | 1017.0 | |||||||
| 10 | 21:52 | Calm | 16.09 | Light Rain | FEW050 SCT075 BKN100 | 17.2 | 15.6 | 90% | 76.28 | 1016.7 | |||||||
| 10 | 20:52 | Calm | 16.09 | Mostly Cloudy | SCT080 BKN120 BKN180 | 17.2 | 15.6 | 90% | 76.23 | 1015.9 | |||||||
| 10 | 19:52 | N 11 | 16.09 | Mostly Cloudy | BKN095 BKN130 | 18.3 | 15 | 27.2 | 17.8 | 81% | 76.15 | 1015.1 | 0.23 | ||||
| 10 | 18:52 | NW 11 | 16.09 | Overcast | FEW070 BKN090 OVC140 | 18.3 | 15 | 81% | 76.15 | 1015.1 | |||||||
| 10 | 17:52 | N 17 | 16.09 | Mostly Cloudy | FEW070 BKN100 BKN140 | 20 | 15.6 | 76% | 76.05 | 1013.6 | |||||||
| 10 | 16:52 | NE 13 | 12.87 | Light Rain | SCT070 BKN090 | 18.3 | 16.1 | 87% | 75.97 | 1012.9 | 0.18 | 0.23 | |||||
| 10 | 15:52 | N 9 | 16.09 | Mostly Cloudy | FEW047 BKN070 BKN100 | 23.9 | 12.2 | 48% | 25 | 75.92 | 1012.1 | 0.05 | |||||
| 10 | 14:52 | SW 7 | 16.09 | Mostly Cloudy | SCT075TCU BKN095 BKN250 | 25.6 | 9.4 | 36% | 26 | 75.95 | 1012.4 | ||||||
| 10 | 13:52 | NW 13 | 16.09 | Mostly Cloudy | BKN070 BKN250 | 26.7 | 9.4 | 27.8 | 14.4 | 34% | 26 | 75.97 | 1012.6 | ||||
| 10 | 12:52 | NW 11 | 16.09 | A Few Clouds | FEW060 FEW250 | 25.6 | 10 | 37% | 26 | 76.02 | 1013.2 | ||||||
| 10 | 11:52 | SW 9 | 16.09 | Partly Cloudy | FEW060 SCT250 | 25 | 10.6 | 40% | 26 | 76.05 | 1013.6 | ||||||
| 10 | 10:52 | SW 9 | 16.09 | Partly Cloudy | SCT250 | 23.3 | 11.1 | 46% | 76.05 | 1013.5 | |||||||
| 10 | 09:52 | S 9 | 16.09 | A Few Clouds | FEW250 | 20.6 | 11.7 | 57% | 76 | 1013.1 | |||||||
| 10 | 08:52 | Calm | 16.09 | A Few Clouds | FEW250 | 17.2 | 12.2 | 73% | 76.02 | 1013.4 | |||||||
| 10 | 07:52 | N 7 | 16.09 | A Few Clouds | FEW100 FEW250 | 14.4 | 11.1 | 14.4 | 8.3 | 81% | 76.02 | 1013.3 | |||||
| 10 | 06:52 | Calm | 16.09 | A Few Clouds | FEW100 FEW250 | 10.6 | 10 | 96% | 75.95 | 1012.2 | |||||||
| 10 | 05:52 | Calm | 16.09 | A Few Clouds | FEW250 | 8.9 | 8.3 | 96% | 75.87 | 1011.5 | |||||||
| 10 | 04:52 | Calm | 16.09 | Fair | CLR | 8.9 | 8.9 | 100% | 75.87 | 1011.4 | |||||||
| 10 | 03:52 | Calm | 16.09 | Fair | CLR | 9.4 | 8.9 | 97% | 75.84 | 1010.9 | |||||||
| 10 | 02:52 | Calm | 16.09 | Fair | CLR | 10 | 9.4 | 96% | 75.79 | 1010.5 | |||||||
| 10 | 01:52 | W 6 | 16.09 | Fair | CLR | 10.6 | 9.4 | 21.7 | 10.6 | 92% | 75.77 | 1010.1 | |||||
| 10 | 00:52 | Calm | 16.09 | Fair | CLR | 11.7 | 10 | 89% | 75.79 | 1010.2 | |||||||
| 09 | 23:52 | Calm | 16.09 | A Few Clouds | FEW100 | 13.3 | 11.1 | 87% | 75.77 | 1009.9 | |||||||
| 09 | 22:52 | Calm | 16.09 | A Few Clouds | FEW100 | 14.4 | 10.6 | 78% | 75.77 | 1009.9 | |||||||
| 09 | 21:52 | Calm | 16.09 | Partly Cloudy | SCT100 | 15 | 10 | 72% | 75.72 | 1009.3 | |||||||
| 09 | 20:52 | SE 6 | 16.09 | Fair | CLR | 16.1 | 10 | 67% | 75.67 | 1008.5 | |||||||
| 09 | 19:52 | Calm | 16.09 | Fair | CLR | 21.7 | 9.4 | 24.4 | 20 | 46% | 75.64 | 1008.1 | |||||
| 09 | 18:52 | Calm | 16.09 | Mostly Cloudy | BKN070 BKN120 | 22.8 | 9.4 | 43% | 75.62 | 1007.8 | |||||||
| 09 | 17:52 | SW 9 | 16.09 | Overcast | OVC110 | 23.3 | 9.4 | 41% | 75.62 | 1007.8 | |||||||
| 09 | 16:52 | W 9 | 16.09 | Mostly Cloudy | FEW050 BKN120 | 23.3 | 8.9 | 40% | 75.59 | 1007.6 | |||||||
| 09 | 15:52 | SW 9 | 16.09 | Mostly Cloudy | FEW049 FEW080 BKN150 | 22.2 | 10.6 | 48% | 75.62 | 1008.0 | |||||||
| 09 | 14:52 | SW 17 G 30 | 16.09 | Mostly Cloudy | SCT055 BKN080 BKN150 | 21.1 | 10.6 | 51% | 75.69 | 1008.9 | |||||||
| 09 | 13:52 | W 7 | 16.09 | Overcast | FEW050 BKN075 BKN120 OVC180 | 20 | 9.4 | 21.1 | 14.4 | 51% | 75.77 | 1009.8 | |||||
| 09 | 12:52 | SW 15 | 16.09 | Mostly Cloudy | SCT046 BKN075 BKN250 | 20 | 9.4 | 51% | 75.77 | 1010.1 | |||||||
| 09 | 11:52 | Vrbl 9 | 16.09 | Mostly Cloudy | FEW050 BKN070 BKN085 BKN250 | 20 | 8.9 | 49% | 75.79 | 1010.3 | |||||||
| 09 | 10:52 | Vrbl 9 | 16.09 | Mostly Cloudy | FEW050 FEW110 SCT150 BKN250 | 18.3 | 7.8 | 51% | 75.84 | 1010.8 | |||||||
| 09 | 09:52 | S 15 | 16.09 | Overcast | FEW043 BKN075 BKN090 OVC150 | 15.6 | 6.7 | 56% | 75.84 | 1011.2 | |||||||
| 09 | 08:52 | SW 9 | 16.09 | Overcast | FEW060 BKN085 BKN110 OVC170 | 15 | 6.1 | 56% | 75.87 | 1011.4 | |||||||
| 09 | 07:52 | S 19 | 16.09 | Overcast | SCT090 BKN110 OVC180 | 14.4 | 5 | 15 | 13.3 | 53% | 75.84 | 1011.0 | |||||
| 09 | 06:52 | S 19 | 16.09 | Overcast | BKN110 OVC180 | 14.4 | 4.4 | 51% | 75.82 | 1010.6 | |||||||
| 09 | 05:52 | S 15 | 16.09 | Mostly Cloudy | BKN110 BKN180 | 13.9 | 4.4 | 53% | 75.82 | 1010.5 | |||||||
| 09 | 04:52 | S 17 | 16.09 | Overcast | OVC110 | 13.9 | 4.4 | 53% | 75.84 | 1010.9 | |||||||
| 09 | 03:52 | S 15 | 16.09 | Overcast | OVC120 | 14.4 | 3.9 | 50% | 75.87 | 1011.3 | |||||||
| 09 | 02:52 | S 17 | 16.09 | Mostly Cloudy | BKN120 | 15 | 3.3 | 46% | 75.87 | 1011.2 | |||||||
| 09 | 01:52 | S 15 | 16.09 | Mostly Cloudy | BKN120 | 15 | 3.3 | 19.4 | 15 | 46% | 75.9 | 1011.6 | |||||
| 09 | 00:52 | S 19 G 35 | 16.09 | Mostly Cloudy | BKN140 | 15.6 | 3.3 | 44% | 75.9 | 1011.5 | |||||||
| 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) | |||||||||||||||