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. | ||||||||||||||||
| 28 | 13:52 | NW 20 G 32 | 10.00 | Mostly Cloudy | BKN060 | 39.9 | 14 | 35% | 31 | 30.18 | 1022.1 | ||||||
| 28 | 12:52 | W 22 G 31 | 10.00 | Mostly Cloudy and Breezy | BKN055 | 39.9 | 12.9 | 41 | 30.9 | 33% | 31 | 30.17 | 1021.8 | ||||
| 28 | 11:52 | NW 18 G 30 | 10.00 | Mostly Cloudy | SCT048 BKN055 | 39.9 | 14 | 35% | 31 | 30.16 | 1021.4 | ||||||
| 28 | 10:52 | NW 22 G 33 | 10.00 | Mostly Cloudy and Breezy | FEW040 BKN055 | 39 | 15.1 | 38% | 29 | 30.16 | 1021.4 | ||||||
| 28 | 09:52 | W 26 G 37 | 10.00 | Partly Cloudy and Windy | SCT045 | 36 | 16 | 44% | 24 | 30.14 | 1020.9 | ||||||
| 28 | 08:52 | W 21 G 30 | 10.00 | A Few Clouds and Breezy | FEW040 | 35.1 | 16 | 46% | 25 | 30.13 | 1020.4 | ||||||
| 28 | 07:52 | W 7 | 10.00 | A Few Clouds | FEW060 | 32 | 12.9 | 45% | 26 | 30.13 | 1020.5 | ||||||
| 28 | 06:52 | W 8 | 10.00 | A Few Clouds | FEW060 | 30.9 | 12 | 35.1 | 30.9 | 45% | 24 | 30.12 | 1020.0 | ||||
| 28 | 05:52 | W 8 | 10.00 | A Few Clouds | FEW060 | 32 | 12 | 43% | 25 | 30.09 | 1019.0 | ||||||
| 28 | 04:52 | W 12 G 18 | 10.00 | Fair | CLR | 32 | 10.9 | 41% | 24 | 30.07 | 1018.4 | ||||||
| 28 | 03:52 | W 7 | 10.00 | Mostly Cloudy | BKN065 | 32 | 12.9 | 45% | 26 | 30.07 | 1018.3 | ||||||
| 28 | 02:52 | W 17 G 30 | 10.00 | A Few Clouds | FEW060 | 33.1 | 14 | 45% | 23 | 30.07 | 1018.4 | ||||||
| 28 | 01:52 | W 7 | 10.00 | A Few Clouds | FEW060 | 33.1 | 16 | 49% | 28 | 30.07 | 1018.3 | ||||||
| 28 | 00:52 | W 13 G 23 | 10.00 | Mostly Cloudy | BKN060 | 34 | 15.1 | 37 | 33.1 | 46% | 26 | 30.05 | 1017.8 | ||||
| 27 | 23:52 | W 14 G 22 | 10.00 | Mostly Cloudy | BKN060 | 35.1 | 12.9 | 40% | 27 | 30.06 | 1018.1 | ||||||
| 27 | 22:52 | NW 21 G 32 | 10.00 | Overcast and Breezy | OVC060 | 36 | 12.9 | 39% | 26 | 30.06 | 1018.3 | ||||||
| 27 | 21:52 | W 14 G 22 | 10.00 | Mostly Cloudy | BKN060 | 36 | 16 | 44% | 28 | 30.07 | 1018.4 | ||||||
| 27 | 20:52 | NW 20 G 26 | 10.00 | Mostly Cloudy | BKN055 | 36 | 18 | 48% | 26 | 30.07 | 1018.5 | ||||||
| 27 | 19:52 | NW 17 G 29 | 10.00 | Mostly Cloudy | BKN060 BKN250 | 37 | 16 | 42% | 28 | 30.07 | 1018.6 | ||||||
| 27 | 18:52 | NW 14 G 23 | 10.00 | Mostly Cloudy | SCT060 SCT110 BKN250 | 37 | 18 | 41 | 37 | 46% | 29 | 30.08 | 1018.7 | ||||
| 27 | 17:52 | NW 10 | 10.00 | Mostly Cloudy | FEW055 BKN110 BKN250 | 37 | 19 | 48% | 30 | 30.07 | 1018.6 | ||||||
| 27 | 16:52 | NW 15 G 24 | 10.00 | Mostly Cloudy | SCT055 BKN110 BKN250 | 37.9 | 18 | 44% | 30 | 30.06 | 1018.1 | ||||||
| 27 | 15:52 | NW 13 G 22 | 10.00 | Mostly Cloudy | SCT055 BKN110 BKN250 | 39.9 | 18 | 41% | 33 | 30.05 | 1017.8 | ||||||
| 27 | 14:52 | NW 15 | 10.00 | Mostly Cloudy | SCT055 BKN110 BKN250 | 41 | 18 | 39% | 34 | 30.04 | 1017.2 | ||||||
| 27 | 13:52 | W 16 | 10.00 | Overcast | FEW055 SCT120 BKN160 OVC200 | 41 | 19 | 41% | 33 | 30.03 | 1017.1 | ||||||
| 27 | 12:52 | NW 15 G 22 | 10.00 | Overcast | FEW055 BKN170 OVC220 | 41 | 18 | 44.1 | 35.1 | 39% | 34 | 30.04 | 1017.3 | ||||
| 27 | 11:52 | NW 16 | 10.00 | Mostly Cloudy | FEW050 BKN140 BKN220 | 41 | 19 | 41% | 33 | 30.04 | 1017.4 | ||||||
| 27 | 10:52 | NW 17 G 25 | 10.00 | Mostly Cloudy | FEW055 SCT140 BKN200 BKN250 | 43 | 19.9 | 40% | 36 | 30.05 | 1017.6 | ||||||
| 27 | 09:52 | NW 12 G 21 | 10.00 | Mostly Cloudy | FEW050 FEW120 SCT180 BKN250 | 44.1 | 19.9 | 38% | 39 | 30.04 | 1017.3 | ||||||
| 27 | 08:52 | W 16 G 23 | 10.00 | Mostly Cloudy | FEW210 BKN250 | 42.1 | 19 | 40% | 35 | 30.02 | 1016.8 | ||||||
| 27 | 07:52 | W 7 | 10.00 | Mostly Cloudy | FEW060 FEW120 BKN250 | 41 | 21 | 45% | 37 | 30.03 | 1017.0 | ||||||
| 27 | 06:52 | Calm | 10.00 | Partly Cloudy | FEW060 FEW130 SCT220 | 37.9 | 19 | 44.1 | 37.9 | 46% | 30.02 | 1016.6 | |||||
| 27 | 05:52 | W 7 | 10.00 | Partly Cloudy | SCT220 | 39 | 19 | 45% | 35 | 30.01 | 1016.2 | ||||||
| 27 | 04:52 | W 8 | 10.00 | Overcast | FEW060 OVC220 | 39.9 | 19.9 | 45% | 35 | 30 | 1016.0 | ||||||
| 27 | 03:52 | W 8 | 10.00 | Overcast | FEW060 OVC220 | 42.1 | 19 | 40% | 38 | 29.99 | 1015.3 | ||||||
| 27 | 02:52 | W 13 G 24 | 10.00 | Overcast | FEW060 OVC250 | 43 | 19 | 38% | 37 | 29.99 | 1015.4 | ||||||
| 27 | 01:52 | W 8 G 17 | 10.00 | Overcast | FEW010 OVC250 | 43 | 21 | 42% | 39 | 29.98 | 1015.1 | ||||||
| 27 | 00:52 | W 22 G 35 | 10.00 | Fair and Breezy | CLR | 44.1 | 21 | 57.9 | 44.1 | 40% | 36 | 29.96 | 1014.4 | ||||
| 26 | 23:52 | W 16 G 28 | 10.00 | Fair | CLR | 46 | 21.9 | 38% | 40 | 29.95 | 1014.2 | ||||||
| 26 | 22:52 | NW 10 G 21 | 10.00 | Fair | CLR | 46.9 | 26.1 | 44% | 43 | 29.94 | 1013.7 | ||||||
| 26 | 21:52 | NW 18 G 31 | 10.00 | Fair | CLR | 48 | 28 | 46% | 42 | 29.9 | 1012.4 | ||||||
| 26 | 20:52 | NW 23 G 38 | 10.00 | Fair and Breezy | CLR | 50 | 30 | 46% | 44 | 29.86 | 1011.0 | ||||||
| 26 | 19:52 | NW 13 G 26 | 10.00 | A Few Clouds | FEW070 | 55.9 | 37 | 49% | 29.81 | 1009.3 | |||||||
| 26 | 18:52 | NW 14 | 10.00 | Partly Cloudy | SCT065 | 57 | 42.1 | 72 | 57 | 58% | 29.79 | 1008.7 | |||||
| 26 | 17:52 | NW 22 G 33 | 10.00 | Mostly Cloudy and Breezy | BKN065 | 61 | 46.9 | 60% | 29.76 | 1007.7 | |||||||
| 26 | 16:52 | W 3 | 10.00 | Mostly Cloudy | BKN065 BKN100 | 62.1 | 48.9 | 62% | 29.73 | 1006.5 | |||||||
| 26 | 15:52 | W 8 | 10.00 | Mostly Cloudy | BKN055 BKN090 | 68 | 50 | 53% | 29.71 | 1005.9 | |||||||
| 26 | 14:52 | SW 14 G 25 | 10.00 | Mostly Cloudy | SCT050 BKN075 | 70 | 51.1 | 51% | 29.7 | 1005.6 | |||||||
| 26 | 13:52 | SW 12 | 10.00 | Mostly Cloudy | SCT046 BKN075 | 70 | 52 | 53% | 29.71 | 1005.9 | |||||||
| 26 | 12:52 | S 10 | 10.00 | Partly Cloudy | SCT030 SCT070 | 69.1 | 55.9 | 69.1 | 55 | 63% | 29.73 | 1006.8 | |||||
| 26 | 11:52 | S 7 | 10.00 | A Few Clouds | FEW020 FEW070 | 66 | 57 | 73% | 29.77 | 1007.8 | |||||||
| 26 | 10:52 | S 7 | 10.00 | Mostly Cloudy | SCT008 BKN070 | 61 | 55.9 | 84% | 29.81 | 1009.3 | |||||||
| 26 | 09:52 | S 5 | 4.00 | Fog/Mist | BKN007 | 57 | 55 | 93% | 29.84 | 1010.5 | |||||||
| 26 | 08:52 | Vrbl 7 | 2.00 | Fog/Mist | OVC003 | 55.9 | 55 | 97% | 29.85 | 1010.9 | |||||||
| 26 | 07:52 | S 12 | 2.00 | Fog/Mist | OVC003 | 55 | 54 | 96% | 29.85 | 1010.6 | |||||||
| 26 | 06:52 | SW 12 G 21 | 10.00 | Overcast | OVC005 | 55 | 54 | 55 | 50 | 96% | 29.84 | 1010.6 | 0.01 | ||||
| 26 | 05:52 | S 9 | 10.00 | Mostly Cloudy | BKN008 BKN090 | 54 | 53.1 | 97% | 29.84 | 1010.5 | |||||||
| 26 | 04:52 | S 8 | 10.00 | Partly Cloudy | SCT080 | 54 | 52 | 93% | 29.85 | 1010.9 | |||||||
| 26 | 03:52 | S 13 | 10.00 | Partly Cloudy | SCT045 SCT055 SCT070 | 54 | 52 | 93% | 29.86 | 1011.2 | 0.01 | 0.01 | |||||
| 26 | 02:52 | S 9 | 7.00 | Light Rain | BKN050 OVC065 | 52 | 51.1 | 97% | 29.89 | 1012.1 | |||||||
| 26 | 01:52 | S 10 | 10.00 | Light Rain | BKN065 OVC080 | 51.1 | 48.9 | 92% | 29.89 | 1012.1 | |||||||
| 26 | 00:52 | S 8 | 10.00 | Overcast | OVC060 | 50 | 48 | 50 | 43 | 93% | 47 | 29.91 | 1012.8 | ||||
| 25 | 23:52 | S 5 | 10.00 | Overcast | OVC070 | 48.9 | 46.9 | 93% | 48 | 29.92 | 1013.3 | ||||||
| 25 | 22:52 | S 5 | 6.00 | Fog/Mist | BKN100 | 45 | 45 | 100% | 43 | 29.94 | 1013.7 | ||||||
| 25 | 21:52 | Calm | 9.00 | A Few Clouds | FEW025 | 45 | 44.1 | 97% | 29.95 | 1014.1 | |||||||
| 25 | 20:52 | S 5 | 7.00 | A Few Clouds | FEW032 | 46 | 46 | 100% | 44 | 29.96 | 1014.6 | ||||||
| 25 | 19:52 | SE 5 | 9.00 | Partly Cloudy | FEW025 SCT033 | 48 | 46.9 | 96% | 47 | 29.98 | 1015.1 | ||||||
| 25 | 18:52 | SE 5 | 10.00 | Overcast | SCT025 BKN037 OVC045 | 50 | 48 | 54 | 48.9 | 93% | 49 | 29.99 | 1015.6 | 0.02 | 0.12 | ||
| 25 | 17:52 | SE 3 | 7.00 | Light Rain | FEW016 SCT023 OVC032 | 48.9 | 48 | 97% | 30 | 1015.9 | 0.04 | ||||||
| 25 | 16:52 | Calm | 7.00 | Light Rain | BKN034 OVC050 | 48.9 | 46.9 | 93% | 30.01 | 1016.2 | 0.06 | ||||||
| 25 | 15:52 | SE 5 | 10.00 | Light Rain | FEW040 SCT055 OVC140 | 53.1 | 43 | 69% | 30.01 | 1016.4 | |||||||
| 25 | 14:52 | S 8 | 10.00 | Overcast | BKN055 BKN065 OVC140 | 54 | 43 | 67% | 30.03 | 1016.9 | |||||||
| 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) | |||||||||||||||