Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 03 | 17:52 | Calm | 10.00 | Fair | CLR | 36 | 26.1 | 67% | 30.09 | 1019.2 | |||||||
| 03 | 16:52 | Calm | 10.00 | A Few Clouds | FEW250 | 36 | 26.1 | 67% | 30.08 | 1018.7 | |||||||
| 03 | 15:52 | NW 5 | 10.00 | Fair | CLR | 43 | 25 | 49% | 41 | 30.07 | 1018.5 | ||||||
| 03 | 14:52 | Calm | 10.00 | A Few Clouds | FEW060 | 43 | 24.1 | 47% | 30.08 | 1018.7 | |||||||
| 03 | 13:52 | W 9 | 10.00 | A Few Clouds | FEW039 FEW250 | 42.1 | 24.1 | 49% | 37 | 30.07 | 1018.5 | ||||||
| 03 | 12:52 | N 5 | 10.00 | A Few Clouds | FEW035 FEW250 | 42.1 | 25 | 43 | 30 | 51% | 40 | 30.09 | 1019.1 | ||||
| 03 | 11:52 | NW 7 | 10.00 | A Few Clouds | FEW035 FEW250 | 42.1 | 25 | 51% | 38 | 30.11 | 1019.8 | ||||||
| 03 | 10:52 | NW 10 | 10.00 | A Few Clouds | FEW035 FEW250 | 41 | 24.1 | 51% | 35 | 30.14 | 1020.8 | ||||||
| 03 | 09:52 | NW 10 | 10.00 | A Few Clouds | FEW032 FEW250 | 39 | 24.1 | 55% | 33 | 30.13 | 1020.3 | ||||||
| 03 | 08:52 | NW 9 | 10.00 | Partly Cloudy | FEW032 SCT250 | 36 | 21.9 | 57% | 30 | 30.12 | 1020.1 | ||||||
| 03 | 07:52 | NW 3 | 10.00 | Mostly Cloudy | FEW032 BKN250 | 32 | 21.9 | 66% | 30.1 | 1019.6 | |||||||
| 03 | 06:52 | NW 7 | 10.00 | A Few Clouds | FEW032 FEW250 | 32 | 21 | 35.1 | 30.9 | 64% | 26 | 30.07 | 1018.4 | ||||
| 03 | 05:52 | N 6 G 17 | 10.00 | Fair | CLR | 32 | 19.9 | 61% | 27 | 30.04 | 1017.3 | ||||||
| 03 | 04:52 | NW 10 | 10.00 | Fair | CLR | 33.1 | 21 | 61% | 26 | 30.01 | 1016.2 | ||||||
| 03 | 03:52 | NW 9 | 10.00 | A Few Clouds | FEW040 | 33.1 | 21 | 61% | 26 | 30.02 | 1016.9 | ||||||
| 03 | 02:52 | NW 8 | 10.00 | Fair | CLR | 33.1 | 21.9 | 64% | 27 | 30.01 | 1016.5 | ||||||
| 03 | 01:52 | NW 8 | 10.00 | Fair | CLR | 33.1 | 23 | 66% | 27 | 30 | 1015.9 | ||||||
| 03 | 00:52 | N 7 | 10.00 | Overcast | OVC034 | 35.1 | 25 | 39.9 | 35.1 | 67% | 30 | 29.97 | 1015.1 | ||||
| 02 | 23:52 | NW 15 | 10.00 | Overcast | OVC034 | 36 | 26.1 | 67% | 27 | 29.94 | 1013.9 | ||||||
| 02 | 22:52 | NW 15 G 26 | 10.00 | Overcast | OVC033 | 37 | 27 | 67% | 29 | 29.93 | 1013.8 | ||||||
| 02 | 21:52 | NW 22 G 32 | 10.00 | Overcast and Breezy | OVC032 | 37 | 27 | 67% | 27 | 29.9 | 1012.8 | ||||||
| 02 | 20:52 | NW 13 G 22 | 10.00 | Mostly Cloudy | BKN031 | 37.9 | 27 | 65% | 31 | 29.88 | 1012.0 | ||||||
| 02 | 19:52 | NW 20 G 26 | 10.00 | Overcast | OVC027 | 39.9 | 30 | 68% | 31 | 29.84 | 1010.6 | ||||||
| 02 | 18:52 | NW 10 | 10.00 | Overcast | FEW024 OVC035 | 39 | 33.1 | 39.9 | 37 | 79% | 33 | 29.81 | 1009.5 | ||||
| 02 | 17:52 | N 10 | 10.00 | Mostly Cloudy | BKN033 BKN090 | 39 | 33.1 | 79% | 33 | 29.79 | 1008.8 | ||||||
| 02 | 16:52 | NW 14 | 10.00 | Mostly Cloudy | FEW012 BKN090 | 37.9 | 33.1 | 83% | 30 | 29.76 | 1007.9 | ||||||
| 02 | 15:52 | NW 14 G 20 | 10.00 | Mostly Cloudy | FEW012 BKN045 BKN110 | 39.9 | 35.1 | 83% | 33 | 29.74 | 1007.1 | ||||||
| 02 | 14:52 | NW 9 | 10.00 | Overcast | SCT010 BKN042 OVC120 | 39.9 | 37 | 89% | 34 | 29.72 | 1006.6 | ||||||
| 02 | 13:52 | N 10 | 10.00 | Mostly Cloudy | BKN007 BKN042 BKN095 BKN130 BKN250 | 39 | 36 | 89% | 33 | 29.73 | 1006.7 | ||||||
| 02 | 12:52 | NW 6 | 7.00 | Light Rain | BKN005 OVC060 | 37 | 36 | 37 | 33.1 | 96% | 33 | 29.75 | 1007.5 | 0.04 | 0.54 | ||
| 02 | 11:52 | NE 3 | 4.00 | Light Rain Fog/Mist | FEW006 BKN024 OVC041 | 37 | 35.1 | 93% | 29.78 | 1008.6 | 0.09 | ||||||
| 02 | 10:52 | N 7 | 2.50 | Light Rain Fog/Mist | SCT005 BKN027 OVC033 | 35.1 | 34 | 96% | 30 | 29.86 | 1011.2 | 0.09 | |||||
| 02 | 09:52 | N 7 | 2.00 | Rain Fog/Mist | BKN005 BKN013 OVC020 | 34 | 33.1 | 97% | 29 | 29.91 | 1013.3 | 0.15 | 0.32 | ||||
| 02 | 08:52 | Calm | 2.50 | Rain Fog/Mist | FEW005 BKN007 OVC013 | 34 | 33.1 | 97% | 29.91 | 1013.3 | 0.1 | ||||||
| 02 | 07:52 | SW 5 | 4.00 | Light Rain Fog/Mist | SCT010 BKN017 OVC050 | 34 | 33.1 | 97% | 30 | 29.94 | 1014.1 | 0.07 | |||||
| 02 | 06:52 | S 5 | 6.00 | Light Rain Fog/Mist | BKN015 BKN020 OVC060 | 33.1 | 30.9 | 37 | 33.1 | 92% | 29 | 29.96 | 1014.7 | 0.08 | 0.19 | ||
| 02 | 05:52 | SW 5 | 7.00 | Rain | OVC021 | 33.1 | 30.9 | 92% | 29 | 30 | 1016.3 | 0.1 | |||||
| 02 | 04:52 | S 3 | 7.00 | Rain | OVC027 | 36 | 28 | 73% | 30.02 | 1016.8 | 0.01 | ||||||
| 02 | 03:52 | S 7 | 10.00 | Overcast | BKN033 OVC110 | 36 | 25 | 64% | 31 | 30.06 | 1018.3 | ||||||
| 02 | 02:52 | S 5 | 10.00 | Overcast | OVC140 | 36 | 25 | 64% | 33 | 30.09 | 1019.0 | ||||||
| 02 | 01:52 | S 7 | 10.00 | Overcast | OVC140 | 36 | 24.1 | 62% | 31 | 30.12 | 1020.2 | ||||||
| 02 | 00:52 | S 6 | 10.00 | Overcast | OVC140 | 36 | 25 | 37 | 25 | 64% | 32 | 30.17 | 1021.9 | ||||
| 01 | 23:52 | SE 6 | 10.00 | Overcast | OVC120 | 35.1 | 25 | 67% | 31 | 30.2 | 1022.7 | ||||||
| 01 | 22:52 | SE 7 | 10.00 | Partly Cloudy | FEW100 SCT220 | 34 | 25 | 70% | 29 | 30.23 | 1023.9 | ||||||
| 01 | 21:52 | Calm | 10.00 | Mostly Cloudy | FEW100 BKN220 | 28.9 | 21.9 | 75% | 30.25 | 1024.6 | |||||||
| 01 | 20:52 | SE 6 | 10.00 | A Few Clouds | FEW250 | 30.9 | 21 | 67% | 26 | 30.26 | 1025.0 | ||||||
| 01 | 19:52 | Calm | 10.00 | A Few Clouds | FEW250 | 28 | 19.9 | 72% | 30.28 | 1025.7 | |||||||
| 01 | 18:52 | Calm | 10.00 | A Few Clouds | FEW250 | 32 | 19.9 | 44.1 | 28.9 | 61% | 30.28 | 1025.7 | |||||
| 01 | 17:52 | Calm | 10.00 | Partly Cloudy | SCT250 | 32 | 21 | 64% | 30.3 | 1026.3 | |||||||
| 01 | 16:52 | Calm | 10.00 | Mostly Cloudy | BKN250 | 37.9 | 19.9 | 48% | 30.31 | 1026.6 | |||||||
| 01 | 15:52 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN250 | 42.1 | 19 | 40% | 39 | 30.3 | 1026.4 | ||||||
| 01 | 14:52 | N 6 | 10.00 | Mostly Cloudy | BKN250 | 44.1 | 19.9 | 38% | 41 | 30.32 | 1026.9 | ||||||
| 01 | 13:52 | N 8 | 10.00 | Mostly Cloudy | BKN250 | 44.1 | 19.9 | 38% | 40 | 30.32 | 1027.1 | ||||||
| 01 | 12:52 | N 10 G 18 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 43 | 19.9 | 43 | 33.1 | 40% | 38 | 30.34 | 1027.7 | ||||
| 01 | 11:52 | NW 10 | 10.00 | A Few Clouds | FEW045 FEW250 | 42.1 | 19.9 | 41% | 37 | 30.38 | 1029.0 | ||||||
| 01 | 10:52 | NW 15 G 21 | 10.00 | A Few Clouds | FEW045 FEW250 | 41 | 21 | 45% | 34 | 30.42 | 1030.1 | ||||||
| 01 | 09:52 | N 15 G 23 | 10.00 | Partly Cloudy | FEW045 SCT250 | 39.9 | 21 | 47% | 32 | 30.43 | 1030.6 | ||||||
| 01 | 08:52 | NW 17 G 23 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 37.9 | 21 | 51% | 29 | 30.42 | 1030.5 | ||||||
| 01 | 07:52 | NW 12 | 10.00 | Partly Cloudy | FEW044 SCT250 | 35.1 | 21 | 57% | 28 | 30.42 | 1030.2 | ||||||
| 01 | 06:52 | NW 6 | 10.00 | Partly Cloudy | SCT043 | 34 | 19.9 | 37 | 32 | 56% | 29 | 30.4 | 1029.7 | ||||
| 01 | 05:52 | N 6 | 10.00 | Partly Cloudy | SCT044 | 34 | 19.9 | 56% | 29 | 30.38 | 1029.0 | ||||||
| 01 | 04:52 | NW 7 | 10.00 | Mostly Cloudy | BKN047 | 32 | 19.9 | 61% | 26 | 30.36 | 1028.4 | ||||||
| 01 | 03:52 | NW 13 | 10.00 | Partly Cloudy | SCT046 | 34 | 19.9 | 56% | 26 | 30.35 | 1027.9 | ||||||
| 01 | 02:52 | NW 14 | 10.00 | Mostly Cloudy | BKN046 | 36 | 21 | 55% | 28 | 30.34 | 1027.5 | ||||||
| 01 | 01:52 | NW 9 | 10.00 | Mostly Cloudy | SCT050 BKN200 | 36 | 21.9 | 57% | 30 | 30.32 | 1026.8 | ||||||
| 01 | 00:52 | NW 9 | 10.00 | Overcast | FEW060 SCT120 OVC200 | 36 | 21.9 | 41 | 36 | 57% | 30 | 30.29 | 1026.0 | ||||
| 30 | 23:52 | NW 20 G 31 | 10.00 | Overcast | FEW060 SCT120 OVC200 | 39 | 23 | 53% | 30 | 30.26 | 1024.8 | ||||||
| 30 | 22:52 | NW 22 G 29 | 10.00 | Overcast and Breezy | SCT060 BKN120 OVC200 | 41 | 25 | 53% | 32 | 30.22 | 1023.4 | ||||||
| 30 | 21:52 | W 3 | 10.00 | Overcast | BKN060 BKN120 OVC200 | 37.9 | 36 | 93% | 30.19 | 1022.5 | |||||||
| 30 | 20:52 | Calm | 10.00 | Overcast | FEW011 BKN044 OVC100 | 37.9 | 36 | 93% | 30.16 | 1021.4 | |||||||
| 30 | 19:52 | SW 3 | 10.00 | Overcast | SCT009 BKN040 OVC100 | 39 | 37 | 93% | 30.15 | 1021.0 | |||||||
| 30 | 18:52 | W 8 | 10.00 | Overcast | OVC008 | 39.9 | 37 | 39.9 | 37 | 89% | 35 | 30.14 | 1020.9 | ||||
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||