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. | ||||||||||||||||
| 23 | 18:52 | Calm | 16.09 | Partly Cloudy | FEW100 SCT250 | 27.2 | 10 | 34% | 27 | 75.77 | 1009.9 | ||||||
| 23 | 17:52 | NW 9 | 16.09 | Partly Cloudy | FEW075 FEW110 SCT250 | 28.3 | 10 | 32% | 27 | 75.79 | 1010.2 | ||||||
| 23 | 16:52 | Calm | 16.09 | Partly Cloudy | FEW075 SCT250 | 28.3 | 10.6 | 33% | 27 | 75.82 | 1010.4 | ||||||
| 23 | 15:52 | W 20 G 35 | 16.09 | Partly Cloudy | FEW075 SCT250 | 28.3 | 9.4 | 31% | 27 | 75.87 | 1011.3 | ||||||
| 23 | 14:52 | W 13 G 28 | 16.09 | Partly Cloudy | FEW065 SCT250 | 27.2 | 10.6 | 35% | 27 | 75.95 | 1012.4 | ||||||
| 23 | 13:52 | NW 13 | 16.09 | Partly Cloudy | SCT050 SCT250 | 26.7 | 10.6 | 26.7 | 17.8 | 37% | 26 | 76.05 | 1013.5 | ||||
| 23 | 12:52 | Vrbl 9 | 16.09 | Partly Cloudy | SCT055 | 25.6 | 11.1 | 40% | 26 | 76.1 | 1014.4 | ||||||
| 23 | 11:52 | NW 17 | 16.09 | Partly Cloudy | FEW050 FEW150 SCT250 | 25 | 11.7 | 43% | 26 | 76.15 | 1015.1 | ||||||
| 23 | 10:52 | NW 22 G 35 | 14.48 | A Few Clouds | FEW150 FEW250 | 23.3 | 11.1 | 46% | 76.17 | 1015.4 | |||||||
| 23 | 09:52 | W 15 | 16.09 | A Few Clouds | FEW010 FEW250 | 22.2 | 11.1 | 50% | 76.17 | 1015.4 | |||||||
| 23 | 08:52 | NW 9 | 16.09 | A Few Clouds | FEW110 FEW250 | 20.6 | 11.1 | 55% | 76.17 | 1015.5 | |||||||
| 23 | 07:52 | Calm | 16.09 | Partly Cloudy | SCT110 SCT250 | 18.3 | 11.7 | 18.3 | 11.1 | 66% | 76.17 | 1015.3 | |||||
| 23 | 06:52 | W 6 | 16.09 | A Few Clouds | FEW100 FEW250 | 11.7 | 9.4 | 86% | 76.15 | 1014.8 | |||||||
| 23 | 05:52 | SW 7 | 16.09 | Mostly Cloudy | BKN100 | 11.7 | 9.4 | 86% | 76.1 | 1014.5 | |||||||
| 23 | 04:52 | Calm | 16.09 | Partly Cloudy | SCT080 | 11.7 | 8.9 | 83% | 76.07 | 1014.1 | |||||||
| 23 | 03:52 | Calm | 16.09 | Mostly Cloudy | BKN080 | 12.2 | 8.9 | 80% | 76.1 | 1014.4 | |||||||
| 23 | 02:52 | Calm | 16.09 | A Few Clouds | FEW085 | 12.2 | 8.3 | 77% | 76.1 | 1014.2 | |||||||
| 23 | 01:52 | Calm | 16.09 | Fair | CLR | 12.8 | 8.3 | 22.2 | 12.2 | 74% | 76.1 | 1014.4 | |||||
| 23 | 00:52 | Calm | 16.09 | Fair | CLR | 13.9 | 8.3 | 69% | 76.12 | 1014.7 | |||||||
| 22 | 23:52 | W 7 | 16.09 | Fair | CLR | 17.2 | 7.8 | 54% | 76.12 | 1014.6 | |||||||
| 22 | 22:52 | W 9 | 16.09 | Fair | CLR | 18.9 | 7.8 | 49% | 76.1 | 1014.3 | |||||||
| 22 | 21:52 | W 7 | 16.09 | Fair | CLR | 19.4 | 7.8 | 47% | 76.07 | 1014.1 | |||||||
| 22 | 20:52 | W 7 | 16.09 | A Few Clouds | FEW070 | 21.1 | 7.8 | 42% | 76.05 | 1013.6 | |||||||
| 22 | 19:52 | W 11 | 16.09 | A Few Clouds | FEW070 | 22.2 | 7.8 | 25.6 | 22.2 | 40% | 75.97 | 1012.9 | |||||
| 22 | 18:52 | SW 9 | 16.09 | A Few Clouds | FEW070 | 23.9 | 9.4 | 40% | 25 | 75.97 | 1012.5 | ||||||
| 22 | 17:52 | SW 17 | 16.09 | Partly Cloudy | SCT065 | 25 | 9.4 | 37% | 26 | 75.97 | 1012.5 | ||||||
| 22 | 16:52 | W 15 | 16.09 | Partly Cloudy | SCT065 SCT250 | 24.4 | 8.9 | 37% | 25 | 75.97 | 1012.7 | ||||||
| 22 | 15:52 | SW 19 G 35 | 16.09 | Partly Cloudy | FEW065 SCT075 SCT250 | 25 | 8.3 | 35% | 26 | 76.02 | 1013.2 | ||||||
| 22 | 14:52 | SW 17 G 31 | 16.09 | Partly Cloudy | FEW060 SCT120 SCT250 | 23.9 | 8.3 | 37% | 25 | 76.07 | 1014.1 | ||||||
| 22 | 13:52 | S 11 | 16.09 | Mostly Cloudy | FEW055 BKN120 BKN250 | 21.7 | 7.8 | 21.7 | 11.1 | 41% | 76.17 | 1015.3 | |||||
| 22 | 12:52 | SW 9 | 16.09 | Mostly Cloudy | FEW045 BKN110 BKN250 | 17.8 | 7.2 | 50% | 76.25 | 1016.3 | |||||||
| 22 | 11:52 | S 6 | 16.09 | Overcast | BKN090 OVC110 | 16.1 | 7.8 | 58% | 76.28 | 1016.8 | |||||||
| 22 | 10:52 | Calm | 16.09 | Light Rain | BKN100 OVC200 | 14.4 | 6.1 | 58% | 76.33 | 1017.4 | |||||||
| 22 | 09:52 | S 7 | 16.09 | Overcast | FEW038 SCT070 BKN085 OVC220 | 14.4 | 4.4 | 51% | 76.3 | 1017.3 | |||||||
| 22 | 08:52 | W 6 | 16.09 | Overcast | FEW070 BKN130 OVC200 | 12.2 | 3.3 | 55% | 76.33 | 1017.4 | |||||||
| 22 | 07:52 | S 7 | 16.09 | Mostly Cloudy | BKN170 BKN250 | 11.1 | 2.2 | 11.7 | 10 | 55% | 76.3 | 1017.3 | |||||
| 22 | 06:52 | S 13 | 16.09 | Mostly Cloudy | BKN170 BKN250 | 10.6 | 1.7 | 54% | 76.28 | 1016.8 | |||||||
| 22 | 05:52 | S 17 | 16.09 | Overcast | OVC170 | 10.6 | 1.1 | 52% | 76.3 | 1017.0 | |||||||
| 22 | 04:52 | S 17 | 16.09 | Mostly Cloudy | BKN200 | 10.6 | 0.6 | 50% | 76.3 | 1017.2 | |||||||
| 22 | 03:52 | S 13 | 16.09 | Overcast | OVC150 | 11.1 | 0 | 47% | 76.35 | 1017.9 | |||||||
| 22 | 02:52 | S 13 | 16.09 | Overcast | OVC170 | 11.7 | 0.6 | 47% | 76.4 | 1018.4 | |||||||
| 22 | 01:52 | S 13 | 16.09 | Mostly Cloudy | BKN180 | 11.1 | 0.6 | 15 | 10.6 | 49% | 76.45 | 1019.2 | |||||
| 22 | 00:52 | S 9 | 16.09 | Mostly Cloudy | FEW120 BKN180 | 11.1 | 0.6 | 49% | 76.53 | 1020.3 | |||||||
| 21 | 23:52 | S 11 | 16.09 | Partly Cloudy | SCT250 | 10.6 | 1.1 | 52% | 76.58 | 1020.8 | |||||||
| 21 | 22:52 | SE 17 | 16.09 | Mostly Cloudy | SCT180 BKN250 | 11.7 | 1.7 | 51% | 76.61 | 1021.3 | |||||||
| 21 | 21:52 | SE 13 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 12.2 | 1.1 | 47% | 76.63 | 1021.7 | |||||||
| 21 | 20:52 | SE 17 | 16.09 | Mostly Cloudy | SCT160 BKN250 | 13.3 | 0 | 40% | 76.61 | 1021.5 | |||||||
| 21 | 19:52 | SE 9 | 16.09 | Partly Cloudy | FEW140 SCT250 | 15 | -2.8 | 17.2 | 13.9 | 29% | 76.63 | 1021.6 | |||||
| 21 | 18:52 | S 17 | 16.09 | A Few Clouds | FEW250 | 16.1 | -3.3 | 26% | 76.61 | 1021.3 | |||||||
| 21 | 17:52 | S 20 | 16.09 | A Few Clouds | FEW250 | 16.7 | -4.4 | 23% | 76.63 | 1021.6 | |||||||
| 21 | 16:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW180 FEW250 | 16.7 | -4.4 | 23% | 76.68 | 1022.3 | |||||||
| 21 | 15:52 | Vrbl 11 | 16.09 | Partly Cloudy | FEW160 SCT250 | 16.1 | -5 | 23% | 76.78 | 1023.7 | |||||||
| 21 | 14:52 | S 11 | 16.09 | Partly Cloudy | SCT250 | 15 | -5.6 | 24% | 76.86 | 1024.8 | |||||||
| 21 | 13:52 | S 13 G 28 | 16.09 | A Few Clouds | FEW250 | 14.4 | -5.6 | 14.4 | 2.8 | 25% | 76.96 | 1026.2 | |||||
| 21 | 12:52 | S 15 | 16.09 | Partly Cloudy | SCT250 | 12.2 | -6.1 | 28% | 77.06 | 1027.4 | |||||||
| 21 | 11:52 | Vrbl 7 | 16.09 | A Few Clouds | FEW250 | 11.1 | -6.1 | 30% | 77.17 | 1028.8 | |||||||
| 21 | 10:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 9.4 | -6.7 | 32% | 8 | 77.22 | 1029.6 | ||||||
| 21 | 09:52 | SW 6 | 16.09 | Fair | CLR | 7.8 | -7.2 | 34% | 77.27 | 1030.2 | |||||||
| 21 | 08:52 | Calm | 16.09 | Fair | CLR | 5.6 | -3.9 | 51% | 77.32 | 1030.9 | |||||||
| 21 | 07:52 | Calm | 16.09 | Fair | CLR | 2.8 | -2.8 | 2.8 | -2.8 | 67% | 77.32 | 1030.7 | |||||
| 21 | 06:52 | Calm | 16.09 | Fair | CLR | -2.2 | -4.4 | 85% | 77.27 | 1030.2 | |||||||
| 21 | 05:52 | Calm | 16.09 | Fair | CLR | -2.8 | -5 | 85% | 77.17 | 1029.0 | |||||||
| 21 | 04:52 | Calm | 16.09 | Fair | CLR | -1.1 | -4.4 | 79% | 77.14 | 1028.4 | |||||||
| 21 | 03:52 | NW 6 | 16.09 | Fair | CLR | -1.1 | -4.4 | 79% | 77.09 | 1027.8 | |||||||
| 21 | 02:52 | Calm | 16.09 | Fair | CLR | -1.7 | -4.4 | 82% | 77.06 | 1027.4 | |||||||
| 21 | 01:52 | Calm | 16.09 | Fair | CLR | -0.6 | -3.9 | 8.9 | -0.6 | 79% | 77.09 | 1027.8 | |||||
| 21 | 00:52 | Calm | 16.09 | Fair | CLR | 1.1 | -5 | 64% | 77.09 | 1027.7 | |||||||
| 20 | 23:52 | E 6 | 16.09 | Fair | CLR | 2.8 | -5.6 | 54% | 77.06 | 1027.5 | |||||||
| 20 | 22:52 | N 11 | 16.09 | Fair | CLR | 7.2 | -8.3 | 33% | 5 | 77.06 | 1027.5 | ||||||
| 20 | 21:52 | N 11 | 16.09 | Fair | CLR | 7.8 | -8.3 | 31% | 6 | 77.06 | 1027.5 | ||||||
| 20 | 20:52 | N 15 G 31 | 16.09 | Fair | CLR | 8.3 | -8.3 | 30% | 6 | 76.99 | 1026.4 | ||||||
| 20 | 19:52 | N 24 G 39 | 16.09 | Fair | CLR | 8.9 | -8.9 | 13.3 | 8.9 | 28% | 6 | 76.91 | 1025.4 | ||||
| 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) | |||||||||||||||