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. | ||||||||||||||||
| 10 | 14:52 | NW 20 G 31 | 10.00 | Mostly Cloudy | BKN065 | 48 | 21 | 34% | 42 | 29.77 | 1008.0 | ||||||
| 10 | 13:52 | NW 16 G 29 | 10.00 | Partly Cloudy | SCT055 | 46.9 | 23 | 39% | 41 | 29.76 | 1007.6 | ||||||
| 10 | 12:52 | NW 15 G 24 | 10.00 | Mostly Cloudy | SCT050 BKN130 | 48 | 25 | 51.1 | 41 | 41% | 43 | 29.76 | 1007.8 | ||||
| 10 | 11:52 | NW 16 G 28 | 10.00 | Mostly Cloudy | SCT048 BKN090 | 46.9 | 25 | 42% | 41 | 29.8 | 1009.0 | ||||||
| 10 | 10:52 | NW 16 G 24 | 10.00 | Mostly Cloudy | FEW040 BKN090 | 46 | 27 | 47% | 40 | 29.82 | 1009.8 | ||||||
| 10 | 09:52 | NW 13 G 22 | 10.00 | Mostly Cloudy | FEW035 BKN090 | 44.1 | 28.9 | 55% | 38 | 29.82 | 1009.9 | ||||||
| 10 | 08:52 | NW 16 G 29 | 10.00 | Mostly Cloudy | SCT080 BKN095 | 44.1 | 28.9 | 55% | 37 | 29.83 | 1010.1 | ||||||
| 10 | 07:52 | NW 12 G 21 | 10.00 | Mostly Cloudy | SCT075 BKN090 | 42.1 | 28.9 | 60% | 36 | 29.83 | 1009.9 | ||||||
| 10 | 06:52 | NW 12 | 10.00 | Mostly Cloudy | SCT075 BKN095 | 41 | 28 | 52 | 41 | 60% | 35 | 29.82 | 1009.7 | ||||
| 10 | 05:52 | NW 14 G 25 | 10.00 | Mostly Cloudy | BKN100 | 42.1 | 28.9 | 60% | 35 | 29.82 | 1009.6 | ||||||
| 10 | 04:52 | NW 16 G 25 | 10.00 | Partly Cloudy | SCT065 SCT095 | 43 | 28.9 | 58% | 36 | 29.8 | 1009.2 | ||||||
| 10 | 03:52 | NW 14 G 23 | 10.00 | Partly Cloudy | SCT065 SCT095 | 44.1 | 28.9 | 55% | 38 | 29.79 | 1008.8 | ||||||
| 10 | 02:52 | NW 16 G 24 | 10.00 | Overcast | BKN060 OVC090 | 48.9 | 33.1 | 55% | 44 | 29.79 | 1008.5 | ||||||
| 10 | 01:52 | NW 14 G 24 | 10.00 | Overcast | SCT100 OVC120 | 51.1 | 35.1 | 54% | 29.77 | 1007.9 | |||||||
| 10 | 00:52 | NW 13 G 23 | 10.00 | Mostly Cloudy | BKN095 BKN110 | 52 | 36 | 64 | 52 | 55% | 29.78 | 1008.3 | 0.06 | ||||
| 09 | 23:52 | NW 8 | 10.00 | Mostly Cloudy | BKN100 | 54 | 39.9 | 59% | 29.78 | 1008.4 | |||||||
| 09 | 22:52 | NW 7 | 10.00 | Overcast | OVC090 | 54 | 45 | 72% | 29.77 | 1008.0 | |||||||
| 09 | 21:52 | N 6 | 10.00 | Light Rain | FEW025 BKN065 OVC100 | 55 | 46.9 | 74% | 29.76 | 1007.7 | 0.01 | 0.06 | |||||
| 09 | 20:52 | NW 8 | 10.00 | Light Rain | SCT025 OVC065 | 55.9 | 46 | 70% | 29.75 | 1007.3 | 0.05 | ||||||
| 09 | 19:52 | NW 9 | 10.00 | Overcast | SCT025 BKN065 OVC100 | 59 | 46 | 62% | 29.73 | 1006.5 | |||||||
| 09 | 18:52 | N 8 | 10.00 | Mostly Cloudy | BKN070 BKN120 | 64 | 48 | 68 | 62.1 | 56% | 29.71 | 1006.1 | |||||
| 09 | 17:52 | NW 5 | 10.00 | Overcast | BKN070 OVC100 | 62.1 | 57 | 84% | 29.7 | 1005.7 | |||||||
| 09 | 16:52 | SE 3 | 10.00 | Overcast | BKN085 OVC200 | 64 | 57 | 78% | 29.68 | 1005.0 | |||||||
| 09 | 15:52 | S 7 | 10.00 | Overcast | FEW060 BKN100 OVC200 | 64 | 55.9 | 75% | 29.68 | 1005.0 | |||||||
| 09 | 14:52 | SE 8 | 10.00 | Mostly Cloudy | FEW050 BKN250 | 68 | 55.9 | 65% | 29.67 | 1004.7 | |||||||
| 09 | 13:52 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW050 SCT075 SCT120 BKN250 | 68 | 57 | 68% | 29.68 | 1004.9 | |||||||
| 09 | 12:52 | SE 9 | 10.00 | Mostly Cloudy | FEW009 FEW070 BKN250 | 66.9 | 55.9 | 66.9 | 51.1 | 68% | 29.68 | 1004.8 | |||||
| 09 | 11:52 | S 6 | 10.00 | Mostly Cloudy | SCT007 BKN250 | 63 | 57 | 81% | 29.71 | 1005.9 | |||||||
| 09 | 10:52 | S 10 | 8.00 | Mostly Cloudy | BKN007 | 59 | 55.9 | 90% | 29.74 | 1007.0 | |||||||
| 09 | 09:52 | SE 6 | 10.00 | Overcast | OVC008 | 57 | 53.1 | 87% | 29.77 | 1007.8 | |||||||
| 09 | 08:52 | E 5 | 10.00 | Overcast | FEW008 OVC010 | 54 | 52 | 93% | 29.79 | 1008.6 | |||||||
| 09 | 07:52 | Calm | 9.00 | Overcast | BKN014 OVC020 | 53.1 | 52 | 96% | 29.8 | 1008.9 | |||||||
| 09 | 06:52 | E 6 | 9.00 | Mostly Cloudy | FEW018 BKN050 BKN070 BKN130 BKN250 | 51.1 | 48.9 | 53.1 | 45 | 92% | 29.79 | 1008.8 | 0.02 | 0.02 | |||
| 09 | 05:52 | Calm | 10.00 | Overcast | OVC060 | 46.9 | 46 | 97% | 29.8 | 1009.1 | |||||||
| 09 | 04:52 | Calm | 10.00 | Partly Cloudy | SCT070 | 46 | 46 | 100% | 29.81 | 1009.3 | |||||||
| 09 | 03:52 | SE 3 | 10.00 | Partly Cloudy | SCT070 | 48.9 | 48 | 97% | 29.82 | 1009.5 | |||||||
| 09 | 02:52 | S 3 | 10.00 | A Few Clouds | FEW065 FEW190 | 48.9 | 46.9 | 93% | 29.83 | 1010.1 | |||||||
| 09 | 01:52 | S 6 | 10.00 | Mostly Cloudy | BKN190 | 52 | 48 | 86% | 29.84 | 1010.4 | |||||||
| 09 | 00:52 | S 7 | 10.00 | Partly Cloudy | FEW080 SCT190 | 53.1 | 48 | 61 | 53.1 | 83% | 29.85 | 1010.6 | |||||
| 08 | 23:52 | S 7 | 10.00 | Partly Cloudy | SCT080 | 55 | 48 | 77% | 29.85 | 1010.6 | |||||||
| 08 | 22:52 | S 6 | 10.00 | A Few Clouds | FEW080 | 55 | 46.9 | 74% | 29.85 | 1010.9 | |||||||
| 08 | 21:52 | S 9 | 10.00 | Fair | CLR | 59 | 46.9 | 64% | 29.84 | 1010.5 | |||||||
| 08 | 20:52 | S 7 | 10.00 | Partly Cloudy | SCT140 | 60.1 | 44.1 | 56% | 29.84 | 1010.3 | |||||||
| 08 | 19:52 | S 8 | 10.00 | Partly Cloudy | FEW100 SCT200 | 60.1 | 43 | 53% | 29.84 | 1010.2 | |||||||
| 08 | 18:52 | SE 6 | 10.00 | A Few Clouds | FEW120 FEW250 | 60.1 | 43 | 71.1 | 60.1 | 53% | 29.84 | 1010.4 | |||||
| 08 | 17:52 | SE 7 | 10.00 | Mostly Cloudy | FEW070 SCT120 BKN250 | 62.1 | 42.1 | 48% | 29.83 | 1010.1 | |||||||
| 08 | 16:52 | S 3 | 10.00 | Mostly Cloudy | FEW070 BKN120 BKN250 | 64 | 42.1 | 45% | 29.81 | 1009.4 | |||||||
| 08 | 15:52 | S 5 | 10.00 | Mostly Cloudy | FEW070 BKN250 | 70 | 41 | 35% | 29.8 | 1009.0 | |||||||
| 08 | 14:52 | W 3 | 10.00 | Mostly Cloudy | FEW060 BKN250 | 69.1 | 41 | 36% | 29.79 | 1008.7 | |||||||
| 08 | 13:52 | NW 8 | 10.00 | A Few Clouds | FEW065 FEW250 | 70 | 42.1 | 37% | 29.8 | 1008.8 | |||||||
| 08 | 12:52 | W 7 | 10.00 | A Few Clouds | FEW055 FEW250 | 69.1 | 44.1 | 69.1 | 48 | 41% | 29.81 | 1009.3 | |||||
| 08 | 11:52 | W 6 | 10.00 | A Few Clouds | FEW050 | 68 | 46 | 45% | 29.82 | 1009.6 | |||||||
| 08 | 10:52 | W 8 | 10.00 | A Few Clouds | FEW040 | 66 | 45 | 47% | 29.84 | 1010.5 | |||||||
| 08 | 09:52 | W 8 | 10.00 | A Few Clouds | FEW025 | 63 | 50 | 63% | 29.83 | 1010.1 | |||||||
| 08 | 08:52 | NW 6 | 10.00 | Fair | CLR | 60.1 | 52 | 75% | 29.82 | 1009.8 | |||||||
| 08 | 07:52 | S 5 | 10.00 | A Few Clouds | FEW250 | 53.1 | 52 | 96% | 29.8 | 1009.0 | |||||||
| 08 | 06:52 | SW 5 | 8.00 | Shallow Fog | FEW250 | 48.9 | 48.9 | 55.9 | 48.9 | 100% | 48 | 29.77 | 1008.1 | 0.02 | |||
| 08 | 05:52 | S 3 | 8.00 | A Few Clouds | FEW250 | 52 | 52 | 100% | 29.75 | 1007.1 | |||||||
| 08 | 04:52 | S 6 | 10.00 | A Few Clouds | FEW075 FEW250 | 53.1 | 53.1 | 100% | 29.71 | 1006.0 | |||||||
| 08 | 03:52 | S 9 | 10.00 | Overcast | FEW045 SCT050 OVC075 | 55 | 54 | 96% | 29.69 | 1005.4 | 0.02 | ||||||
| 08 | 02:52 | SW 7 | 10.00 | Overcast | SCT050 BKN070 OVC085 | 55 | 54 | 96% | 29.69 | 1005.3 | |||||||
| 08 | 01:52 | SW 9 | 10.00 | Light Rain | SCT070 OVC085 | 55.9 | 53.1 | 90% | 29.69 | 1005.3 | 0.02 | ||||||
| 08 | 00:52 | S 10 | 9.00 | Light Rain | OVC080 | 55 | 53.1 | 62.1 | 54 | 93% | 29.69 | 1005.4 | 0.09 | 0.24 | |||
| 07 | 23:52 | S 9 | 7.00 | Light Rain | OVC080 | 55 | 52 | 90% | 29.7 | 1005.5 | 0.1 | ||||||
| 07 | 22:52 | S 7 | 8.00 | Light Rain | OVC080 | 55 | 51.1 | 87% | 29.71 | 1006.0 | 0.05 | ||||||
| 07 | 21:52 | S 9 | 10.00 | Light Rain | BKN090 BKN120 OVC180 | 59 | 48 | 67% | 29.72 | 1006.2 | |||||||
| 07 | 20:52 | S 10 | 10.00 | Mostly Cloudy | BKN080 BKN140 BKN220 | 60.1 | 46.9 | 62% | 29.71 | 1006.1 | |||||||
| 07 | 19:52 | S 10 | 10.00 | Mostly Cloudy | SCT085 SCT120 BKN180 BKN250 | 62.1 | 46.9 | 58% | 29.71 | 1006.2 | |||||||
| 07 | 18:52 | S 15 | 10.00 | Overcast | FEW080 BKN200 OVC250 | 62.1 | 46 | 64 | 61 | 56% | 29.72 | 1006.3 | |||||
| 07 | 17:52 | S 16 G 23 | 10.00 | Overcast | BKN200 OVC250 | 62.1 | 42.1 | 48% | 29.72 | 1006.5 | |||||||
| 07 | 16:52 | S 15 G 24 | 10.00 | Mostly Cloudy | BKN180 BKN250 | 62.1 | 41 | 46% | 29.74 | 1007.1 | |||||||
| 07 | 15:52 | S 18 G 33 | 10.00 | Mostly Cloudy | SCT170 BKN250 | 63 | 39.9 | 43% | 29.75 | 1007.4 | |||||||
| 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) | |||||||||||||||