Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (edt) | 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. | ||||||||||||||||
| 10 | 06:52 | Calm | 10.00 | A Few Clouds | FEW100 FEW250 | 51.1 | 50 | 96% | 29.9 | 1012.2 | |||||||
| 10 | 05:52 | Calm | 10.00 | A Few Clouds | FEW250 | 48 | 46.9 | 96% | 29.87 | 1011.5 | |||||||
| 10 | 04:52 | Calm | 10.00 | Fair | CLR | 48 | 48 | 100% | 29.87 | 1011.4 | |||||||
| 10 | 03:52 | Calm | 10.00 | Fair | CLR | 48.9 | 48 | 97% | 29.86 | 1010.9 | |||||||
| 10 | 02:52 | Calm | 10.00 | Fair | CLR | 50 | 48.9 | 96% | 29.84 | 1010.5 | |||||||
| 10 | 01:52 | W 3 | 10.00 | Fair | CLR | 51.1 | 48.9 | 71.1 | 51.1 | 92% | 29.83 | 1010.1 | |||||
| 10 | 00:52 | Calm | 10.00 | Fair | CLR | 53.1 | 50 | 89% | 29.84 | 1010.2 | |||||||
| 09 | 23:52 | Calm | 10.00 | A Few Clouds | FEW100 | 55.9 | 52 | 87% | 29.83 | 1009.9 | |||||||
| 09 | 22:52 | Calm | 10.00 | A Few Clouds | FEW100 | 57.9 | 51.1 | 78% | 29.83 | 1009.9 | |||||||
| 09 | 21:52 | Calm | 10.00 | Partly Cloudy | SCT100 | 59 | 50 | 72% | 29.81 | 1009.3 | |||||||
| 09 | 20:52 | SE 3 | 10.00 | Fair | CLR | 61 | 50 | 67% | 29.79 | 1008.5 | |||||||
| 09 | 19:52 | Calm | 10.00 | Fair | CLR | 71.1 | 48.9 | 75.9 | 68 | 46% | 29.78 | 1008.1 | |||||
| 09 | 18:52 | Calm | 10.00 | Mostly Cloudy | BKN070 BKN120 | 73 | 48.9 | 43% | 29.77 | 1007.8 | |||||||
| 09 | 17:52 | SW 6 | 10.00 | Overcast | OVC110 | 73.9 | 48.9 | 41% | 29.77 | 1007.8 | |||||||
| 09 | 16:52 | W 6 | 10.00 | Mostly Cloudy | FEW050 BKN120 | 73.9 | 48 | 40% | 29.76 | 1007.6 | |||||||
| 09 | 15:52 | SW 6 | 10.00 | Mostly Cloudy | FEW049 FEW080 BKN150 | 72 | 51.1 | 48% | 29.77 | 1008.0 | |||||||
| 09 | 14:52 | SW 10 G 18 | 10.00 | Mostly Cloudy | SCT055 BKN080 BKN150 | 70 | 51.1 | 51% | 29.8 | 1008.9 | |||||||
| 09 | 13:52 | W 5 | 10.00 | Overcast | FEW050 BKN075 BKN120 OVC180 | 68 | 48.9 | 70 | 57.9 | 51% | 29.83 | 1009.8 | |||||
| 09 | 12:52 | SW 9 | 10.00 | Mostly Cloudy | SCT046 BKN075 BKN250 | 68 | 48.9 | 51% | 29.83 | 1010.1 | |||||||
| 09 | 11:52 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW050 BKN070 BKN085 BKN250 | 68 | 48 | 49% | 29.84 | 1010.3 | |||||||
| 09 | 10:52 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW050 FEW110 SCT150 BKN250 | 64.9 | 46 | 51% | 29.86 | 1010.8 | |||||||
| 09 | 09:52 | S 9 | 10.00 | Overcast | FEW043 BKN075 BKN090 OVC150 | 60.1 | 44.1 | 56% | 29.86 | 1011.2 | |||||||
| 09 | 08:52 | SW 6 | 10.00 | Overcast | FEW060 BKN085 BKN110 OVC170 | 59 | 43 | 56% | 29.87 | 1011.4 | |||||||
| 09 | 07:52 | S 12 | 10.00 | Overcast | SCT090 BKN110 OVC180 | 57.9 | 41 | 59 | 55.9 | 53% | 29.86 | 1011.0 | |||||
| 09 | 06:52 | S 12 | 10.00 | Overcast | BKN110 OVC180 | 57.9 | 39.9 | 51% | 29.85 | 1010.6 | |||||||
| 09 | 05:52 | S 9 | 10.00 | Mostly Cloudy | BKN110 BKN180 | 57 | 39.9 | 53% | 29.85 | 1010.5 | |||||||
| 09 | 04:52 | S 10 | 10.00 | Overcast | OVC110 | 57 | 39.9 | 53% | 29.86 | 1010.9 | |||||||
| 09 | 03:52 | S 9 | 10.00 | Overcast | OVC120 | 57.9 | 39 | 50% | 29.87 | 1011.3 | |||||||
| 09 | 02:52 | S 10 | 10.00 | Mostly Cloudy | BKN120 | 59 | 37.9 | 46% | 29.87 | 1011.2 | |||||||
| 09 | 01:52 | S 9 | 10.00 | Mostly Cloudy | BKN120 | 59 | 37.9 | 66.9 | 59 | 46% | 29.88 | 1011.6 | |||||
| 09 | 00:52 | S 12 G 22 | 10.00 | Mostly Cloudy | BKN140 | 60.1 | 37.9 | 44% | 29.88 | 1011.5 | |||||||
| 08 | 23:52 | S 10 | 10.00 | A Few Clouds | FEW120 | 60.1 | 37.9 | 44% | 29.88 | 1011.7 | |||||||
| 08 | 22:52 | S 7 | 10.00 | A Few Clouds | FEW120 | 60.1 | 37.9 | 44% | 29.89 | 1012.1 | |||||||
| 08 | 21:52 | S 6 | 10.00 | A Few Clouds | FEW120 | 62.1 | 37.9 | 41% | 29.89 | 1012.0 | |||||||
| 08 | 20:52 | S 7 | 10.00 | Partly Cloudy | SCT110 | 64 | 37.9 | 38% | 29.88 | 1011.8 | |||||||
| 08 | 19:52 | S 9 | 10.00 | Mostly Cloudy | BKN100 BKN130 | 66.9 | 37.9 | 73 | 66.9 | 35% | 29.87 | 1011.3 | |||||
| 08 | 18:52 | SW 7 | 10.00 | Mostly Cloudy | FEW090 BKN110 BKN130 | 69.1 | 36 | 30% | 29.86 | 1011.0 | |||||||
| 08 | 17:52 | SW 7 | 10.00 | Mostly Cloudy | BKN100 BKN120 | 70 | 33.1 | 26% | 29.86 | 1011.1 | |||||||
| 08 | 16:52 | W 6 | 10.00 | Partly Cloudy | FEW090 SCT100 | 70 | 32 | 25% | 29.86 | 1011.1 | |||||||
| 08 | 15:52 | W 6 G 18 | 10.00 | Partly Cloudy | FEW090 SCT110 | 71.1 | 32 | 24% | 29.88 | 1011.8 | |||||||
| 08 | 14:52 | W 15 G 31 | 10.00 | Partly Cloudy | SCT090 SCT120 | 71.1 | 32 | 24% | 29.91 | 1012.6 | |||||||
| 08 | 13:52 | W 10 G 22 | 10.00 | Partly Cloudy | FEW080 SCT250 | 68 | 32 | 70 | 53.1 | 26% | 29.93 | 1013.2 | |||||
| 08 | 12:52 | W 10 G 20 | 10.00 | Partly Cloudy | SCT050 | 68 | 34 | 28% | 29.95 | 1013.9 | |||||||
| 08 | 11:52 | NW 17 G 24 | 10.00 | A Few Clouds | FEW050 | 66 | 34 | 30% | 29.97 | 1014.7 | |||||||
| 08 | 10:52 | W 12 G 21 | 10.00 | A Few Clouds | FEW100 | 63 | 33.1 | 33% | 29.98 | 1015.3 | |||||||
| 08 | 09:52 | SW 9 | 10.00 | A Few Clouds | FEW100 | 61 | 30.9 | 32% | 29.99 | 1015.5 | |||||||
| 08 | 08:52 | SW 6 | 10.00 | A Few Clouds | FEW090 FEW250 | 57.9 | 35.1 | 42% | 30.01 | 1016.0 | |||||||
| 08 | 07:52 | Calm | 10.00 | A Few Clouds | FEW060 | 53.1 | 37 | 53.1 | 37 | 55% | 30 | 1015.8 | |||||
| 08 | 06:52 | Calm | 10.00 | Fair | CLR | 41 | 35.1 | 79% | 29.98 | 1015.1 | |||||||
| 08 | 05:52 | Calm | 10.00 | Fair | CLR | 41 | 35.1 | 79% | 29.96 | 1014.6 | |||||||
| 08 | 04:52 | Calm | 10.00 | Fair | CLR | 39 | 34 | 82% | 29.95 | 1014.3 | |||||||
| 08 | 03:52 | NW 5 | 10.00 | Fair | CLR | 48.9 | 34 | 56% | 48 | 29.94 | 1013.8 | ||||||
| 08 | 02:52 | NW 9 | 10.00 | Fair | CLR | 51.1 | 35.1 | 54% | 29.92 | 1012.9 | |||||||
| 08 | 01:52 | NW 13 | 10.00 | Fair | CLR | 52 | 37.9 | 57 | 45 | 59% | 29.9 | 1012.5 | |||||
| 08 | 00:52 | SE 3 | 10.00 | Fair | CLR | 45 | 43 | 93% | 29.89 | 1012.3 | |||||||
| 07 | 23:52 | Calm | 10.00 | Fair | CLR | 48.9 | 45 | 86% | 29.87 | 1011.6 | |||||||
| 07 | 22:52 | S 7 | 10.00 | Fair | CLR | 51.1 | 45 | 80% | 29.86 | 1011.2 | |||||||
| 07 | 21:52 | S 8 | 10.00 | A Few Clouds | FEW090 | 53.1 | 45 | 74% | 29.86 | 1011.0 | |||||||
| 07 | 20:52 | S 9 | 10.00 | Partly Cloudy | FEW060 SCT090 | 54 | 44.1 | 69% | 29.84 | 1010.2 | |||||||
| 07 | 19:52 | SW 8 | 10.00 | Partly Cloudy | FEW060 SCT090 | 57 | 44.1 | 64.9 | 57 | 62% | 29.81 | 1009.3 | |||||
| 07 | 18:52 | S 10 | 10.00 | A Few Clouds | FEW080 | 61 | 43 | 52% | 29.79 | 1008.7 | |||||||
| 07 | 17:52 | S 13 | 10.00 | A Few Clouds | FEW075 FEW100 | 62.1 | 43 | 50% | 29.78 | 1008.4 | |||||||
| 07 | 16:52 | S 8 | 10.00 | Partly Cloudy | FEW070 SCT100 | 63 | 42.1 | 47% | 29.78 | 1008.4 | |||||||
| 07 | 15:52 | Vrbl 6 | 10.00 | Partly Cloudy | SCT070 SCT100 | 63 | 36 | 37% | 29.78 | 1008.5 | |||||||
| 07 | 14:52 | Calm | 10.00 | Partly Cloudy | FEW070 SCT100 | 62.1 | 34 | 35% | 29.81 | 1009.3 | |||||||
| 07 | 13:52 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW080 BKN100 | 62.1 | 37.9 | 63 | 54 | 41% | 29.83 | 1009.9 | |||||
| 07 | 12:52 | SE 7 | 10.00 | Mostly Cloudy | BKN095 BKN110 | 61 | 37 | 41% | 29.86 | 1011.0 | |||||||
| 07 | 11:52 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW070 BKN090 | 57.9 | 34 | 41% | 29.89 | 1011.9 | |||||||
| 07 | 10:52 | N 7 | 10.00 | Mostly Cloudy | FEW055 BKN070 | 55.9 | 34 | 44% | 29.9 | 1012.5 | |||||||
| 07 | 09:52 | N 10 G 18 | 10.00 | Overcast | SCT047 OVC060 | 55 | 34 | 45% | 29.92 | 1013.0 | |||||||
| 07 | 08:52 | NW 10 | 10.00 | Mostly Cloudy | FEW020 BKN050 | 55 | 36 | 49% | 29.91 | 1012.9 | |||||||
| 07 | 07:52 | NW 9 | 10.00 | Mostly Cloudy | FEW020 BKN050 | 55 | 41 | 57 | 55 | 59% | 29.91 | 1012.7 | |||||
| Date | Time (edt) | 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) | |||||||||||||||