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. | ||||||||||||||||
| 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 | ||||
| 30 | 17:52 | S 10 | 10.00 | Overcast | OVC008 | 39.9 | 37 | 89% | 34 | 30.1 | 1019.6 | ||||||
| 30 | 16:52 | S 8 | 10.00 | Overcast | OVC009 | 39.9 | 37 | 89% | 35 | 30.09 | 1019.2 | ||||||
| 30 | 15:52 | S 13 | 10.00 | Overcast | OVC009 | 39.9 | 36 | 86% | 33 | 30.08 | 1018.8 | ||||||
| 30 | 14:52 | SW 8 | 10.00 | Overcast | OVC010 | 39.9 | 36 | 86% | 35 | 30.09 | 1019.2 | ||||||
| 30 | 13:52 | S 16 G 22 | 10.00 | Overcast | FEW015 SCT028 BKN038 BKN130 OVC200 | 39 | 34 | 82% | 31 | 30.1 | 1019.4 | ||||||
| 30 | 12:52 | S 12 | 10.00 | Overcast | FEW015 SCT024 OVC039 | 37 | 33.1 | 37 | 34 | 86% | 30 | 30.14 | 1020.9 | 0.06 | |||
| 30 | 11:52 | S 16 G 25 | 10.00 | Overcast | SCT030 BKN042 OVC055 | 36 | 32 | 86% | 27 | 30.19 | 1022.3 | ||||||
| 30 | 10:52 | S 12 | 10.00 | Overcast | SCT039 OVC055 | 35.1 | 28.9 | 78% | 28 | 30.23 | 1023.9 | ||||||
| 30 | 09:52 | S 12 | 10.00 | Overcast | FEW025 BKN037 OVC055 | 34 | 30 | 85% | 26 | 30.26 | 1024.7 | 0.02 | 0.06 | ||||
| 30 | 08:52 | S 12 | 9.00 | Light Rain | BKN055 BKN070 OVC100 | 34 | 28 | 79% | 26 | 30.27 | 1025.2 | 0.03 | |||||
| 30 | 07:52 | S 9 | 8.00 | Light Rain | OVC055 | 35.1 | 27 | 72% | 29 | 30.28 | 1025.7 | 0.01 | |||||
| 30 | 06:52 | S 12 | 10.00 | Light Rain Snow | OVC060 | 36 | 23 | 37 | 36 | 59% | 29 | 30.29 | 1026.1 | ||||
| 30 | 05:52 | S 10 | 10.00 | Overcast | OVC065 | 37 | 21 | 52% | 30 | 30.3 | 1026.1 | ||||||
| 30 | 04:52 | S 8 | 10.00 | Overcast | OVC110 | 36 | 21 | 55% | 30 | 30.31 | 1026.6 | ||||||
| 30 | 03:52 | S 8 | 10.00 | Overcast | FEW120 OVC140 | 36 | 19.9 | 52% | 30 | 30.33 | 1027.2 | ||||||
| 30 | 02:52 | S 8 | 10.00 | Overcast | OVC140 | 36 | 18 | 48% | 30 | 30.36 | 1028.4 | ||||||
| 30 | 01:52 | S 7 | 10.00 | Overcast | OVC140 | 37 | 19 | 48% | 32 | 30.41 | 1030.0 | ||||||
| 30 | 00:52 | S 7 | 10.00 | Overcast | FEW120 OVC140 | 37 | 19 | 37 | 35.1 | 48% | 32 | 30.41 | 1030.0 | ||||
| 29 | 23:52 | SE 10 | 10.00 | Overcast | BKN140 OVC190 | 37 | 19 | 48% | 30 | 30.42 | 1030.3 | ||||||
| 29 | 22:52 | S 7 | 10.00 | Overcast | OVC160 | 37 | 19 | 48% | 32 | 30.45 | 1031.4 | ||||||
| 29 | 21:52 | S 8 | 10.00 | Overcast | BKN160 OVC250 | 37 | 18 | 46% | 32 | 30.47 | 1031.9 | ||||||
| 29 | 20:52 | SE 6 | 10.00 | Overcast | BKN160 OVC250 | 36 | 18 | 48% | 32 | 30.47 | 1031.9 | ||||||
| 29 | 19:52 | S 5 | 10.00 | Overcast | BKN160 OVC250 | 36 | 17.1 | 46% | 33 | 30.48 | 1032.3 | ||||||
| 29 | 18:52 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 35.1 | 16 | 43 | 30 | 46% | 31 | 30.47 | 1032.3 | ||||
| 29 | 17:52 | Calm | 10.00 | Partly Cloudy | SCT250 | 35.1 | 16 | 46% | 30.48 | 1032.4 | |||||||
| 29 | 16:52 | Calm | 10.00 | Partly Cloudy | SCT250 | 37 | 16 | 42% | 30.48 | 1032.4 | |||||||
| 29 | 15:52 | Calm | 10.00 | A Few Clouds | FEW250 | 41 | 15.1 | 35% | 30.49 | 1032.6 | |||||||
| 29 | 14:52 | W 5 | 10.00 | A Few Clouds | FEW250 | 43 | 16 | 34% | 41 | 30.49 | 1032.6 | ||||||
| 29 | 13:52 | Calm | 10.00 | A Few Clouds | FEW250 | 42.1 | 16 | 35% | 30.48 | 1032.4 | |||||||
| 29 | 12:52 | Calm | 10.00 | Partly Cloudy | SCT250 | 42.1 | 16 | 42.1 | 27 | 35% | 30.5 | 1032.9 | |||||
| 29 | 11:52 | N 6 | 10.00 | Partly Cloudy | SCT250 | 39.9 | 16 | 38% | 36 | 30.53 | 1034.0 | ||||||
| 29 | 10:52 | W 9 | 10.00 | A Few Clouds | FEW250 | 37.9 | 15.1 | 39% | 32 | 30.55 | 1034.7 | ||||||
| 29 | 09:52 | NW 10 | 10.00 | A Few Clouds | FEW250 | 37 | 16 | 42% | 30 | 30.55 | 1034.8 | ||||||
| 29 | 08:52 | W 6 | 10.00 | A Few Clouds | FEW250 | 35.1 | 15.1 | 44% | 31 | 30.54 | 1034.3 | ||||||
| 29 | 07:52 | Calm | 10.00 | A Few Clouds | FEW250 | 28 | 16 | 60% | 30.52 | 1033.7 | |||||||
| 29 | 06:52 | W 9 | 10.00 | A Few Clouds | FEW250 | 27 | 15.1 | 32 | 24.1 | 61% | 19 | 30.48 | 1032.5 | ||||
| 29 | 05:52 | Calm | 10.00 | Fair | CLR | 24.1 | 14 | 65% | 30.46 | 1031.8 | |||||||
| 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) | |||||||||||||||