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. | ||||||||||||||||
| 06 | 11:52 | NW 10 G 20 | 10.00 | A Few Clouds | FEW060 | 57 | 25 | 29% | 30.19 | 1022.2 | |||||||
| 06 | 10:52 | NW 17 G 29 | 7.00 | A Few Clouds | FEW060 | 55 | 24.1 | 30% | 30.21 | 1022.9 | |||||||
| 06 | 09:52 | NW 17 G 29 | 9.00 | A Few Clouds | FEW033 FEW065 | 53.1 | 26.1 | 35% | 30.21 | 1022.8 | |||||||
| 06 | 08:52 | W 8 G 20 | 10.00 | A Few Clouds | FEW060 | 51.1 | 25 | 36% | 30.21 | 1022.8 | |||||||
| 06 | 07:52 | W 7 | 10.00 | A Few Clouds | FEW070 | 48 | 25 | 41% | 45 | 30.19 | 1022.2 | ||||||
| 06 | 06:52 | NW 9 | 10.00 | A Few Clouds | FEW060 | 45 | 25 | 55.9 | 45 | 46% | 41 | 30.15 | 1021.1 | ||||
| 06 | 05:52 | NW 8 | 10.00 | A Few Clouds | FEW055 | 46 | 21.9 | 38% | 42 | 30.13 | 1020.3 | ||||||
| 06 | 04:52 | NW 10 | 10.00 | A Few Clouds | FEW055 | 46.9 | 21.9 | 37% | 43 | 30.1 | 1019.3 | ||||||
| 06 | 03:52 | NW 10 G 20 | 10.00 | A Few Clouds | FEW055 | 51.1 | 24.1 | 35% | 30.07 | 1018.1 | |||||||
| 06 | 02:52 | NW 12 G 22 | 10.00 | A Few Clouds | FEW060 | 52 | 30.9 | 45% | 30.05 | 1017.4 | |||||||
| 06 | 01:52 | N 13 G 26 | 9.00 | A Few Clouds | FEW055 | 55 | 33.1 | 44% | 30.01 | 1016.0 | |||||||
| 06 | 00:52 | NW 13 G 22 | 10.00 | A Few Clouds | FEW040 | 55.9 | 33.1 | 71.1 | 55.9 | 42% | 29.97 | 1014.8 | |||||
| 05 | 23:52 | NW 15 G 28 | 10.00 | Mostly Cloudy | FEW075 BKN090 | 60.1 | 42.1 | 52% | 29.91 | 1012.8 | |||||||
| 05 | 22:52 | NW 25 G 43 | 7.00 | Overcast and Breezy | OVC070 | 68 | 44.1 | 42% | 29.83 | 1009.8 | |||||||
| 05 | 21:52 | Vrbl 7 | 10.00 | Partly Cloudy | SCT080 | 64 | 39.9 | 41% | 29.77 | 1008.0 | |||||||
| 05 | 20:52 | SW 8 | 10.00 | Mostly Cloudy | BKN085 | 66.9 | 39 | 36% | 29.76 | 1007.6 | |||||||
| 05 | 19:52 | S 10 | 10.00 | Partly Cloudy | SCT090 | 60.1 | 41 | 50% | 29.77 | 1008.0 | |||||||
| 05 | 18:52 | SW 5 | 10.00 | A Few Clouds | FEW150 FEW250 | 63 | 39 | 73.9 | 61 | 41% | 29.77 | 1008.1 | |||||
| 05 | 17:52 | SW 9 | 10.00 | Partly Cloudy | FEW140 SCT250 | 64.9 | 39 | 39% | 29.75 | 1007.5 | |||||||
| 05 | 16:52 | SW 12 G 24 | 10.00 | Partly Cloudy | FEW140 SCT250 | 71.1 | 37.9 | 30% | 29.74 | 1007.0 | |||||||
| 05 | 15:52 | SW 17 G 28 | 10.00 | A Few Clouds | FEW140 FEW250 | 73 | 36 | 26% | 29.75 | 1007.2 | |||||||
| 05 | 14:52 | SW 17 G 32 | 10.00 | Partly Cloudy | FEW140 SCT250 | 72 | 37.9 | 29% | 29.77 | 1008.1 | |||||||
| 05 | 13:52 | SW 14 G 25 | 10.00 | Mostly Cloudy | BKN250 | 73 | 37 | 27% | 29.81 | 1009.4 | |||||||
| 05 | 12:52 | SW 13 G 25 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 35.1 | 70 | 37 | 29% | 29.85 | 1011.0 | |||||
| 05 | 11:52 | S 13 G 22 | 10.00 | Mostly Cloudy | BKN250 | 68 | 34 | 28% | 29.93 | 1013.4 | |||||||
| 05 | 10:52 | S 13 | 10.00 | A Few Clouds | FEW250 | 63 | 32 | 31% | 29.99 | 1015.4 | |||||||
| 05 | 09:52 | S 10 | 10.00 | A Few Clouds | FEW170 | 57 | 32 | 39% | 30.03 | 1016.9 | |||||||
| 05 | 08:52 | S 10 | 10.00 | A Few Clouds | FEW170 | 51.1 | 28.9 | 43% | 30.08 | 1018.6 | |||||||
| 05 | 07:52 | S 6 | 10.00 | A Few Clouds | FEW170 FEW250 | 45 | 30 | 56% | 42 | 30.12 | 1019.8 | ||||||
| 05 | 06:52 | Calm | 10.00 | Partly Cloudy | SCT170 SCT250 | 39 | 28 | 41 | 33.1 | 65% | 30.14 | 1020.7 | |||||
| 05 | 05:52 | Calm | 10.00 | Fair | CLR | 39 | 27 | 62% | 30.16 | 1021.3 | |||||||
| 05 | 04:52 | Calm | 10.00 | Partly Cloudy | SCT140 | 37.9 | 28.9 | 70% | 30.17 | 1021.6 | |||||||
| 05 | 03:52 | S 3 | 10.00 | Partly Cloudy | SCT140 | 39.9 | 28.9 | 65% | 30.18 | 1022.0 | |||||||
| 05 | 02:52 | Calm | 10.00 | Partly Cloudy | SCT140 | 33.1 | 27 | 78% | 30.19 | 1022.2 | |||||||
| 05 | 01:52 | E 3 | 10.00 | A Few Clouds | FEW140 | 37 | 27 | 67% | 30.2 | 1022.5 | |||||||
| 05 | 00:52 | Calm | 10.00 | A Few Clouds | FEW140 | 39 | 27 | 57 | 37 | 62% | 30.21 | 1023.1 | |||||
| 04 | 23:52 | S 3 | 10.00 | Fair | CLR | 37.9 | 27 | 65% | 30.23 | 1023.7 | |||||||
| 04 | 22:52 | Calm | 10.00 | Fair | CLR | 44.1 | 24.1 | 45% | 30.24 | 1024.0 | |||||||
| 04 | 21:52 | Calm | 10.00 | A Few Clouds | FEW200 | 43 | 24.1 | 47% | 30.25 | 1024.3 | |||||||
| 04 | 20:52 | S 3 | 10.00 | Partly Cloudy | SCT200 | 48 | 23 | 37% | 30.25 | 1024.3 | |||||||
| 04 | 19:52 | W 8 | 10.00 | Mostly Cloudy | FEW120 BKN200 | 55 | 19.9 | 25% | 30.24 | 1023.9 | |||||||
| 04 | 18:52 | W 6 | 10.00 | Partly Cloudy | SCT200 | 57 | 19.9 | 64 | 53.1 | 24% | 30.23 | 1023.8 | |||||
| 04 | 17:52 | W 6 | 10.00 | A Few Clouds | FEW060 FEW250 | 57 | 19.9 | 24% | 30.22 | 1023.3 | |||||||
| 04 | 16:52 | NW 7 | 10.00 | A Few Clouds | FEW060 FEW250 | 60.1 | 19.9 | 21% | 30.2 | 1022.6 | |||||||
| 04 | 15:52 | W 9 | 10.00 | Partly Cloudy | SCT250 | 64 | 23 | 21% | 30.18 | 1022.0 | |||||||
| 04 | 14:52 | W 13 | 10.00 | Partly Cloudy | SCT250 | 63 | 24.1 | 23% | 30.19 | 1022.1 | |||||||
| 04 | 13:52 | W 17 G 26 | 10.00 | Mostly Cloudy | BKN250 | 63 | 23 | 22% | 30.2 | 1022.7 | |||||||
| 04 | 12:52 | NW 14 G 23 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 62.1 | 25 | 63 | 46 | 24% | 30.22 | 1023.4 | |||||
| 04 | 11:52 | NW 13 G 22 | 10.00 | Mostly Cloudy | BKN250 | 60.1 | 26.1 | 27% | 30.26 | 1024.5 | |||||||
| 04 | 10:52 | W 13 G 23 | 10.00 | Mostly Cloudy | BKN250 | 60.1 | 28.9 | 31% | 30.28 | 1025.2 | |||||||
| 04 | 09:52 | W 13 G 20 | 10.00 | Mostly Cloudy | BKN250 | 57.9 | 30.9 | 36% | 30.28 | 1025.2 | |||||||
| 04 | 08:52 | W 9 | 10.00 | Mostly Cloudy | BKN250 | 55 | 30 | 38% | 30.29 | 1025.5 | |||||||
| 04 | 07:52 | W 6 | 10.00 | Mostly Cloudy | BKN250 | 51.1 | 30.9 | 46% | 30.26 | 1024.8 | |||||||
| 04 | 06:52 | SW 7 | 10.00 | A Few Clouds | FEW250 | 46 | 30 | 53.1 | 39.9 | 54% | 43 | 30.23 | 1023.7 | ||||
| 04 | 05:52 | SW 7 | 10.00 | Fair | CLR | 45 | 30 | 56% | 42 | 30.2 | 1022.8 | ||||||
| 04 | 04:52 | SW 5 | 10.00 | Fair | CLR | 39.9 | 30 | 68% | 37 | 30.19 | 1022.2 | ||||||
| 04 | 03:52 | Calm | 10.00 | Fair | CLR | 41 | 30.9 | 67% | 30.15 | 1021.0 | |||||||
| 04 | 02:52 | W 6 | 10.00 | Fair | CLR | 50 | 32 | 50% | 48 | 30.14 | 1020.5 | ||||||
| 04 | 01:52 | NW 16 G 23 | 10.00 | Fair | CLR | 53.1 | 34 | 48% | 30.12 | 1019.8 | |||||||
| 04 | 00:52 | NW 13 | 10.00 | Fair | CLR | 53.1 | 35.1 | 59 | 53.1 | 51% | 30.1 | 1019.2 | |||||
| 03 | 23:52 | NW 14 G 25 | 10.00 | Fair | CLR | 53.1 | 37 | 55% | 30.09 | 1018.7 | |||||||
| 03 | 22:52 | NW 13 | 10.00 | Fair | CLR | 53.1 | 36 | 52% | 30.08 | 1018.4 | |||||||
| 03 | 21:52 | NW 17 G 26 | 10.00 | Fair | CLR | 54 | 35.1 | 49% | 30.07 | 1018.4 | |||||||
| 03 | 20:52 | NW 18 | 10.00 | Fair | CLR | 55.9 | 35.1 | 46% | 30.05 | 1017.5 | |||||||
| 03 | 19:52 | NW 21 G 31 | 10.00 | Fair and Breezy | CLR | 57 | 34 | 42% | 30.03 | 1016.9 | |||||||
| 03 | 18:52 | NW 12 | 10.00 | Fair | CLR | 57 | 35.1 | 68 | 57 | 44% | 30.01 | 1016.3 | |||||
| 03 | 17:52 | W 13 | 10.00 | A Few Clouds | FEW050 FEW070 | 59 | 35.1 | 41% | 30 | 1016.0 | |||||||
| 03 | 16:52 | NW 15 G 26 | 9.00 | A Few Clouds | FEW050 FEW070 | 64 | 36 | 35% | 29.98 | 1015.0 | |||||||
| 03 | 15:52 | NW 10 | 10.00 | A Few Clouds | FEW070 | 66.9 | 37 | 33% | 29.96 | 1014.3 | |||||||
| 03 | 14:52 | W 9 | 10.00 | A Few Clouds | FEW070 FEW120 | 66.9 | 37 | 33% | 29.96 | 1014.5 | |||||||
| 03 | 13:52 | NW 8 | 10.00 | Partly Cloudy | FEW050 SCT090 | 66.9 | 37 | 33% | 29.99 | 1015.6 | |||||||
| 03 | 12:52 | W 10 | 10.00 | Partly Cloudy | SCT050 | 64.9 | 42.1 | 64.9 | 48.9 | 43% | 30.03 | 1017.0 | |||||
| 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) | |||||||||||||||