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. | ||||||||||||||||
| 02 | 13:52 | E 13 | 12.87 | Overcast | OVC009 | 13.3 | 10.6 | 15.6 | 12.8 | 84% | 76.99 | 1026.2 | |||||
| 02 | 12:52 | E 17 | 4.83 | Overcast | OVC007 | 12.8 | 11.1 | 90% | 77.01 | 1026.5 | |||||||
| 02 | 11:52 | E 20 | 4.02 | Overcast | OVC004 | 13.3 | 11.7 | 90% | 76.96 | 1025.9 | |||||||
| 02 | 10:52 | NE 20 | 2.41 | Fog/Mist | OVC004 | 13.3 | 12.8 | 97% | 76.96 | 1025.8 | |||||||
| 02 | 09:52 | E 15 | 2.41 | Fog/Mist | OVC003 | 14.4 | 13.9 | 97% | 76.91 | 1025.1 | |||||||
| 02 | 08:52 | E 19 | 2.41 | Fog/Mist | OVC003 | 15 | 14.4 | 96% | 76.84 | 1024.4 | |||||||
| 02 | 07:52 | N 11 | 16.09 | Overcast | OVC008 | 15.6 | 13.3 | 17.8 | 15.6 | 86% | 76.78 | 1023.4 | |||||
| 02 | 06:52 | NW 9 | 16.09 | Overcast | OVC009 | 15.6 | 13.9 | 90% | 76.71 | 1022.4 | |||||||
| 02 | 05:52 | NE 9 | 16.09 | Overcast | OVC008 | 17.2 | 16.1 | 93% | 76.61 | 1021.2 | |||||||
| 02 | 04:52 | N 7 | 16.09 | Mostly Cloudy | SCT008 BKN120 | 16.7 | 16.1 | 96% | 76.58 | 1020.7 | |||||||
| 02 | 03:52 | NE 13 | 16.09 | Partly Cloudy | SCT120 | 17.2 | 16.1 | 93% | 76.56 | 1020.3 | |||||||
| 02 | 02:52 | N 11 | 16.09 | Partly Cloudy | SCT090 | 17.8 | 16.1 | 90% | 76.56 | 1020.4 | |||||||
| 02 | 01:52 | SE 7 | 16.09 | Overcast | OVC090 | 16.7 | 15.6 | 20 | 16.1 | 93% | 76.58 | 1020.8 | |||||
| 02 | 00:52 | N 9 | 16.09 | Mostly Cloudy | BKN110 BKN160 | 18.3 | 16.1 | 87% | 76.53 | 1019.9 | |||||||
| 01 | 23:52 | Calm | 16.09 | Mostly Cloudy | BKN120 BKN250 | 17.8 | 15.6 | 87% | 76.43 | 1018.8 | |||||||
| 01 | 22:52 | E 6 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 18.3 | 16.7 | 90% | 76.4 | 1018.2 | |||||||
| 01 | 21:52 | N 11 | 16.09 | Mostly Cloudy | SCT090 SCT140 BKN250 | 20 | 17.2 | 84% | 76.4 | 1018.2 | |||||||
| 01 | 20:52 | Calm | 16.09 | Mostly Cloudy | FEW070 SCT110 BKN150 BKN250 | 17.8 | 17.2 | 96% | 76.35 | 1017.7 | |||||||
| 01 | 19:52 | SE 9 | 16.09 | Mostly Cloudy | FEW070 SCT100 BKN150 BKN250 | 18.3 | 17.2 | 30 | 18.3 | 93% | 76.28 | 1016.8 | 0.25 | ||||
| 01 | 18:52 | S 9 | 16.09 | Mostly Cloudy | FEW044 SCT070 SCT090 BKN140 BKN250 | 20 | 18.3 | 90% | 76.3 | 1017.1 | 0.25 | ||||||
| 01 | 17:52 | SE 15 | 16.09 | Thunderstorm | FEW020 SCT070CB BKN090 BKN130 BKN250 | 21.7 | 16.7 | 73% | 76.23 | 1016.1 | |||||||
| 01 | 16:52 | S 13 | 16.09 | Thunderstorm | FEW060 BKN085CB BKN150 BKN250 | 28.3 | 13.9 | 41% | 28 | 76.23 | 1016.0 | ||||||
| 01 | 15:52 | Vrbl 9 | 16.09 | Thunderstorm | FEW050 BKN080CB BKN100 BKN150 BKN250 | 29.4 | 12.8 | 36% | 29 | 76.23 | 1016.0 | ||||||
| 01 | 14:52 | Vrbl 9 | 16.09 | Mostly Cloudy | SCT070 BKN090 BKN150 BKN250 | 29.4 | 13.3 | 37% | 29 | 76.3 | 1016.8 | ||||||
| 01 | 13:52 | Vrbl 7 G 28 | 16.09 | Partly Cloudy | SCT060 SCT250 | 28.9 | 13.3 | 28.9 | 18.3 | 38% | 28 | 76.35 | 1017.7 | ||||
| 01 | 12:52 | SW 17 G 33 | 16.09 | Partly Cloudy | FEW080 SCT250 | 28.3 | 13.3 | 40% | 28 | 76.38 | 1018.0 | ||||||
| 01 | 11:52 | SW 20 | 16.09 | Partly Cloudy | FEW080 SCT250 | 26.7 | 13.3 | 44% | 27 | 76.4 | 1018.4 | ||||||
| 01 | 10:52 | Vrbl 11 | 16.09 | Partly Cloudy | FEW090 SCT250 | 25.6 | 13.9 | 48% | 26 | 76.43 | 1018.6 | ||||||
| 01 | 09:52 | S 11 | 16.09 | Mostly Cloudy | FEW100 BKN250 | 22.8 | 14.4 | 59% | 76.4 | 1018.3 | |||||||
| 01 | 08:52 | Calm | 16.09 | Mostly Cloudy | FEW080 FEW120 BKN250 | 21.1 | 13.9 | 64% | 76.4 | 1018.4 | |||||||
| 01 | 07:52 | Calm | 16.09 | Mostly Cloudy | FEW070 FEW120 BKN250 | 18.3 | 13.3 | 21.7 | 16.7 | 73% | 76.35 | 1017.7 | |||||
| 01 | 06:52 | Calm | 16.09 | Mostly Cloudy | FEW120 BKN190 | 17.8 | 13.3 | 75% | 76.28 | 1016.5 | |||||||
| 01 | 05:52 | SW 13 | 16.09 | Mostly Cloudy | FEW120 SCT180 BKN200 | 18.3 | 13.3 | 73% | 76.23 | 1015.8 | |||||||
| 01 | 04:52 | SW 20 | 16.09 | Mostly Cloudy | FEW120 SCT180 BKN200 | 20 | 13.3 | 65% | 76.17 | 1015.2 | |||||||
| 01 | 03:52 | SW 24 G 43 | 16.09 | Mostly Cloudy | SCT180 BKN200 | 21.1 | 12.8 | 59% | 76.15 | 1014.8 | |||||||
| 01 | 02:52 | S 24 | 16.09 | Mostly Cloudy | SCT180 BKN200 | 21.1 | 12.8 | 59% | 76.15 | 1015.0 | |||||||
| 01 | 01:52 | SW 24 | 16.09 | Mostly Cloudy | BKN180 | 21.7 | 12.2 | 26.1 | 21.7 | 55% | 76.15 | 1014.9 | |||||
| 01 | 00:52 | SW 24 G 37 | 16.09 | Mostly Cloudy | BKN180 BKN200 | 22.2 | 12.2 | 53% | 76.15 | 1015.0 | |||||||
| 31 | 23:52 | S 26 G 41 | 16.09 | Fair | CLR | 22.8 | 12.2 | 51% | 76.15 | 1014.8 | |||||||
| 31 | 22:52 | S 26 G 39 | 16.09 | Partly Cloudy | FEW150 SCT250 | 23.3 | 12.2 | 50% | 76.1 | 1014.3 | |||||||
| 31 | 21:52 | S 24 G 39 | 16.09 | Partly Cloudy | FEW150 SCT250 | 23.9 | 12.2 | 48% | 25 | 76.1 | 1014.4 | ||||||
| 31 | 20:52 | S 22 | 16.09 | Partly Cloudy | FEW150 SCT250 | 25 | 12.2 | 45% | 26 | 76.12 | 1014.6 | ||||||
| 31 | 19:52 | SW 24 G 46 | 16.09 | Mostly Cloudy | SCT150 BKN250 | 26.1 | 12.2 | 28.3 | 25.6 | 42% | 26 | 76.1 | 1014.3 | ||||
| 31 | 18:52 | S 28 G 48 | 16.09 | Partly Cloudy | FEW070 SCT250 | 26.7 | 12.2 | 41% | 27 | 76.07 | 1014.1 | ||||||
| 31 | 17:52 | S 33 G 52 | 16.09 | Partly Cloudy and Breezy | FEW060 SCT250 | 27.8 | 12.2 | 38% | 27 | 76.07 | 1013.8 | ||||||
| 31 | 16:52 | S 33 G 56 | 16.09 | Mostly Cloudy and Breezy | FEW070 BKN250 | 27.8 | 12.2 | 38% | 27 | 76.1 | 1014.2 | ||||||
| 31 | 15:52 | S 26 G 50 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 27.2 | 12.8 | 41% | 27 | 76.17 | 1015.1 | ||||||
| 31 | 14:52 | S 22 G 39 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 27.8 | 12.8 | 40% | 27 | 76.23 | 1015.8 | ||||||
| 31 | 13:52 | S 22 G 41 | 16.09 | Mostly Cloudy | FEW060 FEW080 BKN250 | 26.7 | 12.8 | 26.7 | 15.6 | 42% | 27 | 76.33 | 1017.2 | ||||
| 31 | 11:52 | S 28 G 43 | 16.09 | Mostly Cloudy | FEW050 FEW200 BKN250 | 24.4 | 12.2 | 47% | 26 | 76.43 | 1018.9 | ||||||
| 31 | 10:52 | S 26 G 41 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 22.2 | 11.7 | 52% | 76.48 | 1019.4 | |||||||
| 31 | 09:52 | S 24 G 37 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 19.4 | 10.6 | 57% | 76.53 | 1020.1 | |||||||
| 31 | 08:52 | S 19 G 35 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 17.2 | 10 | 63% | 76.53 | 1020.3 | |||||||
| 31 | 07:52 | S 20 G 33 | 16.09 | Mostly Cloudy | FEW170 BKN250 | 15.6 | 10 | 17.2 | 15 | 70% | 76.56 | 1020.3 | |||||
| 31 | 06:52 | S 19 | 16.09 | Mostly Cloudy | FEW120 SCT170 BKN250 | 15 | 9.4 | 69% | 76.53 | 1020.0 | |||||||
| 31 | 05:52 | S 20 | 16.09 | Partly Cloudy | FEW120 SCT170 SCT250 | 15.6 | 9.4 | 67% | 76.5 | 1019.7 | |||||||
| 31 | 04:52 | S 19 | 16.09 | Fair | CLR | 16.1 | 10 | 67% | 76.43 | 1018.9 | |||||||
| 31 | 03:52 | S 20 | 16.09 | Fair | CLR | 16.7 | 10 | 65% | 76.43 | 1018.7 | |||||||
| 31 | 02:52 | S 24 G 44 | 16.09 | A Few Clouds | FEW120 | 16.7 | 10 | 65% | 76.43 | 1018.8 | |||||||
| 31 | 01:52 | S 28 G 44 | 16.09 | A Few Clouds | FEW120 | 17.2 | 10 | 18.9 | 17.2 | 63% | 76.48 | 1019.5 | |||||
| 31 | 00:52 | S 28 G 39 | 16.09 | Fair | CLR | 17.2 | 10.6 | 65% | 76.5 | 1020.0 | |||||||
| 30 | 23:52 | S 28 G 41 | 16.09 | A Few Clouds | FEW120 | 17.8 | 10 | 60% | 76.53 | 1020.2 | |||||||
| 30 | 22:52 | SW 30 G 46 | 16.09 | Mostly Cloudy | BKN120 | 18.9 | 10.6 | 59% | 76.53 | 1020.3 | |||||||
| 30 | 21:52 | SW 26 G 39 | 16.09 | Overcast | OVC120 | 18.9 | 10.6 | 59% | 76.58 | 1021.0 | |||||||
| 30 | 20:52 | SW 24 G 41 | 16.09 | Mostly Cloudy | BKN110 | 18.9 | 10 | 56% | 76.58 | 1021.0 | |||||||
| 30 | 19:52 | SW 22 G 37 | 16.09 | A Few Clouds | FEW090 FEW150 | 18.9 | 10.6 | 21.7 | 16.7 | 59% | 76.58 | 1020.8 | |||||
| 30 | 18:52 | S 26 G 43 | 16.09 | Partly Cloudy | FEW085 SCT140 | 19.4 | 10.6 | 57% | 76.56 | 1020.7 | |||||||
| 30 | 17:52 | S 28 G 52 | 16.09 | Mostly Cloudy | FEW080 BKN140 | 20.6 | 10.6 | 53% | 76.56 | 1020.4 | |||||||
| 30 | 16:52 | SW 30 G 46 | 16.09 | Mostly Cloudy | FEW080 BKN140 | 19.4 | 10 | 55% | 76.58 | 1020.9 | |||||||
| 30 | 15:52 | SW 22 G 41 | 16.09 | Mostly Cloudy | SCT070 BKN120 | 20 | 9.4 | 51% | 76.61 | 1021.2 | |||||||
| 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) | |||||||||||||||