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. | ||||||||||||||||
| 27 | 14:52 | N 26 | 16.09 | Overcast | SCT026 OVC047 | 9.4 | 4.4 | 71% | 6 | 76.33 | 1017.6 | ||||||
| 27 | 13:52 | N 22 G 39 | 16.09 | Overcast | BKN022 BKN029 OVC080 | 10.6 | 6.1 | 16.1 | 10.6 | 74% | 76.35 | 1017.8 | 0.28 | ||||
| 27 | 12:52 | NE 22 | 16.09 | Overcast | BKN016 OVC020 | 11.7 | 8.9 | 83% | 76.3 | 1017.0 | |||||||
| 27 | 11:52 | N 20 G 35 | 16.09 | Overcast | FEW022 BKN029 BKN060 OVC140 | 13.3 | 9.4 | 77% | 76.23 | 1016.1 | |||||||
| 27 | 10:52 | N 26 G 37 | 14.48 | Light Rain | FEW010 SCT026 BKN050 BKN130 | 13.9 | 10.6 | 81% | 76.17 | 1015.3 | 0.28 | ||||||
| 27 | 09:52 | N 17 | 11.27 | Light Rain | FEW010 BKN030 BKN045 OVC130 | 13.3 | 11.7 | 90% | 76.1 | 1014.3 | 0.1 | ||||||
| 27 | 08:52 | N 26 G 39 | 12.87 | Light Rain | SCT012 BKN030 OVC080 | 14.4 | 12.8 | 90% | 75.97 | 1012.7 | 0.18 | ||||||
| 27 | 07:52 | NW 13 | 12.87 | Light Rain | FEW018 SCT045 BKN060 OVC140 | 16.1 | 15 | 22.2 | 16.1 | 93% | 75.92 | 1012.1 | 0.1 | 0.1 | |||
| 27 | 06:52 | N 15 | 16.09 | Light Rain | FEW018 SCT043 BKN060 OVC140 | 16.7 | 14.4 | 86% | 75.79 | 1010.2 | |||||||
| 27 | 05:52 | N 20 | 16.09 | Mostly Cloudy | BKN032 BKN065 | 19.4 | 14.4 | 73% | 75.64 | 1008.0 | |||||||
| 27 | 04:52 | N 17 | 16.09 | A Few Clouds | FEW120 | 20.6 | 13.9 | 66% | 75.57 | 1007.0 | |||||||
| 27 | 03:52 | NW 6 | 16.09 | Overcast | BKN150 OVC180 | 20 | 11.7 | 59% | 75.54 | 1006.8 | |||||||
| 27 | 02:52 | NW 17 | 16.09 | Overcast | OVC150 | 22.2 | 11.7 | 52% | 75.51 | 1006.4 | |||||||
| 27 | 01:52 | SW 19 | 16.09 | Overcast | OVC170 | 22.2 | 11.7 | 24.4 | 22.2 | 52% | 75.51 | 1006.4 | |||||
| 27 | 00:52 | SW 22 G 37 | 16.09 | Overcast | OVC240 | 22.8 | 11.7 | 50% | 75.51 | 1006.4 | |||||||
| 26 | 23:52 | SW 22 G 41 | 16.09 | Mostly Cloudy | BKN250 | 22.8 | 11.7 | 50% | 75.49 | 1006.1 | |||||||
| 26 | 22:52 | S 26 G 43 | 16.09 | Partly Cloudy | SCT250 | 22.8 | 11.1 | 48% | 75.46 | 1005.8 | |||||||
| 26 | 21:52 | S 33 G 46 | 16.09 | A Few Clouds and Breezy | FEW200 | 23.3 | 11.1 | 46% | 75.41 | 1005.1 | |||||||
| 26 | 20:52 | S 24 G 52 | 16.09 | A Few Clouds | FEW200 | 23.3 | 11.1 | 46% | 75.51 | 1006.5 | |||||||
| 26 | 19:52 | S 26 G 39 | 16.09 | Mostly Cloudy | FEW120 BKN200 | 23.9 | 11.1 | 26.7 | 23.9 | 45% | 25 | 75.51 | 1006.6 | ||||
| 26 | 18:52 | S 26 G 35 | 16.09 | Mostly Cloudy | FEW110 BKN200 | 25 | 11.1 | 42% | 26 | 75.59 | 1007.7 | ||||||
| 26 | 17:52 | SW 31 G 52 | 16.09 | Mostly Cloudy | SCT110 BKN200 | 26.1 | 11.7 | 41% | 26 | 75.67 | 1008.5 | ||||||
| 26 | 16:52 | SW 24 G 41 | 16.09 | Mostly Cloudy | BKN100 | 26.1 | 11.1 | 39% | 26 | 75.74 | 1009.5 | ||||||
| 26 | 15:52 | SW 28 G 48 | 16.09 | Mostly Cloudy | FEW110 SCT150 BKN250 | 26.7 | 10.6 | 37% | 26 | 75.79 | 1010.1 | ||||||
| 26 | 14:52 | S 30 G 43 | 16.09 | Partly Cloudy | FEW180 SCT250 | 26.1 | 9.4 | 35% | 26 | 75.87 | 1011.3 | ||||||
| 26 | 13:52 | S 15 G 33 | 16.09 | Partly Cloudy | FEW180 SCT250 | 25 | 8.3 | 25 | 11.7 | 35% | 26 | 76.02 | 1013.2 | ||||
| 26 | 12:52 | S 22 G 37 | 16.09 | Mostly Cloudy | BKN180 BKN250 | 23.3 | 7.8 | 37% | 76.07 | 1014.0 | |||||||
| 26 | 11:52 | SW 20 | 16.09 | Mostly Cloudy | BKN180 BKN250 | 22.2 | 6.1 | 35% | 76.12 | 1014.8 | |||||||
| 26 | 10:52 | S 19 | 16.09 | Mostly Cloudy | BKN180 BKN250 | 18.9 | 4.4 | 39% | 76.2 | 1015.6 | |||||||
| 26 | 09:52 | S 19 G 35 | 16.09 | Mostly Cloudy | SCT160 BKN240 | 15.6 | 3.3 | 44% | 76.23 | 1016.3 | |||||||
| 26 | 08:52 | S 19 | 16.09 | Mostly Cloudy | SCT170 BKN250 | 13.3 | 2.2 | 47% | 76.28 | 1016.7 | |||||||
| 26 | 07:52 | S 20 | 16.09 | Mostly Cloudy | SCT100 BKN250 | 11.7 | 1.7 | 12.2 | 10.6 | 51% | 76.28 | 1016.8 | |||||
| 26 | 06:52 | S 17 | 16.09 | Partly Cloudy | FEW100 SCT250 | 10.6 | 1.1 | 52% | 76.28 | 1016.7 | |||||||
| 26 | 05:52 | S 20 | 16.09 | Partly Cloudy | FEW100 SCT250 | 11.1 | 1.1 | 50% | 76.25 | 1016.3 | |||||||
| 26 | 04:52 | S 15 | 16.09 | Partly Cloudy | SCT100 | 10.6 | 1.7 | 54% | 76.25 | 1016.4 | |||||||
| 26 | 03:52 | S 22 | 16.09 | Mostly Cloudy | BKN100 | 11.7 | 1.7 | 51% | 76.23 | 1016.2 | |||||||
| 26 | 02:52 | S 19 | 16.09 | Overcast | OVC100 | 11.7 | 1.7 | 51% | 76.3 | 1017.0 | |||||||
| 26 | 01:52 | S 15 | 16.09 | Overcast | OVC100 | 11.1 | 1.7 | 12.8 | 10.6 | 53% | 76.38 | 1018.0 | |||||
| 26 | 00:52 | S 11 | 16.09 | Partly Cloudy | FEW100 SCT160 | 11.1 | 1.7 | 53% | 76.4 | 1018.7 | |||||||
| 25 | 23:52 | S 13 | 16.09 | Overcast | OVC160 | 12.2 | 1.7 | 49% | 76.45 | 1019.3 | |||||||
| 25 | 22:52 | S 15 | 16.09 | Overcast | OVC160 | 12.2 | 2.2 | 51% | 76.45 | 1019.3 | |||||||
| 25 | 21:52 | SE 15 | 16.09 | Overcast | OVC150 | 12.2 | 2.2 | 51% | 76.5 | 1019.9 | |||||||
| 25 | 20:52 | SE 15 | 16.09 | Overcast | OVC150 | 12.8 | 1.1 | 45% | 76.56 | 1020.8 | |||||||
| 25 | 19:52 | SE 11 | 16.09 | Mostly Cloudy | BKN140 BKN160 BKN250 | 12.8 | -1.7 | 15.6 | 12.8 | 37% | 76.56 | 1020.8 | |||||
| 25 | 18:52 | S 17 G 31 | 16.09 | Mostly Cloudy | SCT130 BKN160 BKN250 | 15 | -7.2 | 21% | 76.58 | 1021.0 | |||||||
| 25 | 17:52 | S 11 G 30 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 15.6 | -3.9 | 26% | 76.61 | 1021.2 | |||||||
| 25 | 16:52 | S 19 G 30 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 14.4 | -3.3 | 29% | 76.66 | 1022.0 | |||||||
| 25 | 15:52 | SE 19 G 30 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 14.4 | -2.8 | 31% | 76.71 | 1022.7 | |||||||
| 25 | 14:52 | S 19 G 37 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 14.4 | -1.1 | 35% | 76.78 | 1023.7 | |||||||
| 25 | 13:52 | S 13 G 31 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 13.9 | -1.1 | 13.9 | 4.4 | 36% | 76.91 | 1025.5 | |||||
| 25 | 12:52 | S 17 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 12.2 | -1.1 | 40% | 77.04 | 1026.9 | |||||||
| 25 | 11:52 | S 17 | 16.09 | Mostly Cloudy | BKN110 | 10.6 | -1.1 | 45% | 77.09 | 1028.0 | |||||||
| 25 | 10:52 | S 13 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 9.4 | -1.1 | 48% | 8 | 77.14 | 1028.5 | ||||||
| 25 | 09:52 | S 11 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 7.8 | -1.1 | 54% | 6 | 77.11 | 1028.2 | ||||||
| 25 | 08:52 | S 11 | 16.09 | Mostly Cloudy | SCT120 BKN160 BKN220 | 5.6 | -1.7 | 60% | 3 | 77.14 | 1028.5 | ||||||
| 25 | 07:52 | S 9 | 16.09 | Mostly Cloudy | FEW120 BKN160 | 3.9 | -1.7 | 5.6 | 3.9 | 67% | 2 | 77.14 | 1028.4 | ||||
| 25 | 06:52 | S 6 | 16.09 | Mostly Cloudy | SCT120 BKN160 | 3.9 | -1.7 | 67% | 77.11 | 1028.3 | |||||||
| 25 | 05:52 | S 7 | 16.09 | A Few Clouds | FEW120 | 4.4 | -1.7 | 65% | 3 | 77.09 | 1027.8 | ||||||
| 25 | 04:52 | S 11 | 16.09 | Overcast | OVC180 | 3.9 | -1.7 | 67% | 1 | 77.06 | 1027.5 | ||||||
| 25 | 03:52 | S 9 | 16.09 | Mostly Cloudy | BKN150 | 4.4 | -1.7 | 65% | 2 | 77.06 | 1027.5 | ||||||
| 25 | 02:52 | S 9 | 16.09 | Overcast | OVC150 | 5 | -1.7 | 62% | 3 | 77.11 | 1028.1 | ||||||
| 25 | 01:52 | S 15 | 16.09 | Overcast | FEW120 OVC150 | 5.6 | -1.7 | 7.8 | 3.9 | 60% | 3 | 77.09 | 1028.0 | ||||
| 25 | 00:52 | S 11 | 16.09 | Overcast | OVC150 | 6.1 | -1.7 | 58% | 4 | 77.11 | 1028.2 | ||||||
| 24 | 23:52 | S 7 | 16.09 | Overcast | OVC180 | 6.1 | -1.7 | 58% | 5 | 77.14 | 1028.6 | ||||||
| 24 | 22:52 | S 9 | 16.09 | Overcast | OVC180 | 6.7 | -2.8 | 51% | 5 | 77.11 | 1028.2 | ||||||
| 24 | 21:52 | SE 9 | 16.09 | Partly Cloudy | SCT250 | 6.7 | -5 | 43% | 5 | 77.11 | 1028.3 | ||||||
| 24 | 20:52 | SE 9 | 16.09 | Mostly Cloudy | BKN250 | 6.7 | -5 | 43% | 5 | 77.09 | 1028.1 | ||||||
| 24 | 19:52 | SW 7 | 16.09 | Mostly Cloudy | BKN250 | 6.7 | -5.6 | 11.1 | 6.7 | 41% | 6 | 77.06 | 1027.7 | ||||
| 24 | 18:52 | SE 11 | 16.09 | Mostly Cloudy | BKN250 | 9.4 | -7.8 | 29% | 8 | 77.06 | 1027.7 | ||||||
| 24 | 17:52 | S 15 G 35 | 16.09 | Mostly Cloudy | BKN250 | 10.6 | -7.2 | 28% | 77.06 | 1027.4 | |||||||
| 24 | 16:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW250 | 10.6 | -8.3 | 26% | 77.06 | 1027.5 | |||||||
| 24 | 15:52 | Vrbl 7 | 16.09 | A Few Clouds | FEW250 | 10 | -7.2 | 29% | 9 | 77.11 | 1028.2 | ||||||
| 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) | |||||||||||||||