Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (est) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 25 | 03:52 | S 26 G 39 | 16.09 | Overcast | OVC110 | 2.8 | -8.3 | 44% | -2 | 75.49 | 1006.5 | ||||||
| 25 | 02:52 | S 19 G 35 | 16.09 | Overcast | OVC100 | 2.2 | -8.9 | 44% | -2 | 75.49 | 1006.5 | ||||||
| 25 | 01:52 | S 19 | 16.09 | Overcast | OVC090 | 1.7 | -8.9 | 46% | -2 | 75.59 | 1007.9 | ||||||
| 25 | 00:52 | S 19 G 39 | 16.09 | Overcast | OVC085 | 1.1 | -8.9 | 1.7 | -0.6 | 48% | -3 | 75.72 | 1009.6 | ||||
| 24 | 23:52 | S 11 | 16.09 | Mostly Cloudy | SCT080 BKN095 | 0.6 | -9.4 | 48% | -2 | 75.74 | 1010.0 | ||||||
| 24 | 22:52 | S 11 | 16.09 | Partly Cloudy | SCT200 | 0 | -10 | 47% | -3 | 75.84 | 1011.5 | ||||||
| 24 | 21:52 | S 11 | 16.09 | A Few Clouds | FEW150 | 0 | -10.6 | 45% | -3 | 75.92 | 1012.4 | ||||||
| 24 | 20:52 | S 13 | 16.09 | A Few Clouds | FEW150 | 0.6 | -10.6 | 43% | -3 | 75.95 | 1012.9 | ||||||
| 24 | 19:52 | S 13 | 16.09 | Mostly Cloudy | SCT100 BKN150 | 1.7 | -10 | 42% | -2 | 76.02 | 1013.6 | ||||||
| 24 | 18:52 | S 9 | 16.09 | Mostly Cloudy | FEW100 BKN150 | 1.1 | -10.6 | 4.4 | 1.1 | 42% | -1 | 76.05 | 1014.1 | ||||
| 24 | 17:52 | SW 13 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 2.8 | -11.1 | 36% | -0 | 76 | 1013.5 | ||||||
| 24 | 16:52 | SW 13 | 16.09 | Mostly Cloudy | SCT120 BKN250 | 4.4 | -11.1 | 32% | 2 | 76.02 | 1013.8 | ||||||
| 24 | 15:52 | W 11 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 3.3 | -11.7 | 33% | 1 | 76.05 | 1014.3 | ||||||
| 24 | 14:52 | SW 20 G 33 | 16.09 | Overcast | BKN120 OVC250 | 3.9 | -10.6 | 34% | 0 | 76.1 | 1014.9 | ||||||
| 24 | 13:52 | NW 20 G 39 | 16.09 | Mostly Cloudy | FEW060 FEW120 BKN250 | 2.8 | -11.1 | 36% | -1 | 76.17 | 1016.0 | ||||||
| 24 | 12:52 | W 22 G 43 | 16.09 | Mostly Cloudy | FEW055 BKN250 | 2.2 | -10.6 | 2.2 | -3.9 | 39% | -2 | 76.25 | 1016.9 | ||||
| 24 | 11:52 | W 22 G 35 | 16.09 | Mostly Cloudy | BKN050 BKN250 | 1.1 | -10.6 | 42% | -4 | 76.33 | 1017.9 | ||||||
| 24 | 10:52 | NW 20 G 37 | 16.09 | Mostly Cloudy | BKN046 | -0.6 | -11.1 | 45% | -6 | 76.35 | 1018.4 | ||||||
| 24 | 09:52 | NW 26 G 41 | 16.09 | Partly Cloudy | SCT040 | -1.1 | -11.7 | 45% | -7 | 76.38 | 1018.5 | ||||||
| 24 | 08:52 | NW 28 G 41 | 16.09 | A Few Clouds | FEW040 | -2.8 | -11.7 | 51% | -9 | 76.4 | 1019.0 | ||||||
| 24 | 07:52 | NW 22 G 31 | 16.09 | A Few Clouds | FEW040 FEW250 | -3.3 | -11.7 | 53% | -9 | 76.43 | 1019.2 | ||||||
| 24 | 06:52 | NW 26 G 43 | 16.09 | A Few Clouds | FEW040 | -3.9 | -11.7 | -1.7 | -3.9 | 55% | -11 | 76.38 | 1018.6 | ||||
| 24 | 05:52 | NW 22 G 35 | 16.09 | A Few Clouds | FEW040 | -3.9 | -10.6 | 60% | -10 | 76.33 | 1017.8 | ||||||
| 24 | 04:52 | NW 24 G 37 | 16.09 | A Few Clouds | FEW040 | -3.3 | -11.1 | 55% | -10 | 76.28 | 1017.2 | ||||||
| 24 | 03:52 | NW 19 G 35 | 16.09 | Fair | CLR | -2.8 | -10.6 | 55% | -8 | 76.25 | 1016.8 | ||||||
| 24 | 02:52 | NW 20 G 35 | 16.09 | Fair | CLR | -2.8 | -10.6 | 55% | -8 | 76.23 | 1016.4 | ||||||
| 24 | 01:52 | NW 20 | 16.09 | Fair | CLR | -2.2 | -10 | 56% | -8 | 76.23 | 1016.4 | ||||||
| 24 | 00:52 | NW 31 G 57 | 16.09 | A Few Clouds | FEW042 | -1.7 | -10 | 2.2 | -1.7 | 54% | -8 | 76.23 | 1016.3 | ||||
| 23 | 23:52 | NW 19 G 33 | 16.09 | Overcast | BKN042 OVC049 | -0.6 | -8.9 | 54% | -5 | 76.2 | 1016.2 | ||||||
| 23 | 22:52 | NW 31 G 52 | 16.09 | Overcast | OVC045 | 0 | -8.3 | 54% | -6 | 76.17 | 1015.6 | ||||||
| 23 | 21:52 | NW 26 G 39 | 16.09 | Mostly Cloudy | SCT060 BKN200 | 0 | -7.2 | 59% | -6 | 76.15 | 1015.3 | ||||||
| 23 | 20:52 | NW 19 G 33 | 16.09 | Mostly Cloudy | FEW040 BKN060 BKN200 | 0.6 | -6.7 | 58% | -4 | 76.12 | 1015.1 | ||||||
| 23 | 19:52 | NW 24 G 43 | 16.09 | Mostly Cloudy | BKN050 BKN200 | 1.1 | -6.7 | 56% | -4 | 76.07 | 1014.4 | ||||||
| 23 | 18:52 | NW 26 G 46 | 16.09 | Mostly Cloudy | BKN047 BKN180 | 2.2 | -6.1 | 4.4 | 2.2 | 55% | -3 | 76.05 | 1013.9 | ||||
| 23 | 17:52 | NW 30 G 54 | 16.09 | Mostly Cloudy | BKN049 BKN180 | 2.8 | -5.6 | 54% | -2 | 75.95 | 1012.8 | ||||||
| 23 | 16:52 | NW 26 G 44 | 16.09 | Mostly Cloudy | BKN050 BKN180 | 3.3 | -5 | 55% | -1 | 75.87 | 1011.7 | ||||||
| 23 | 15:52 | NW 28 G 56 | 16.09 | Mostly Cloudy | BKN044 BKN085 BKN150 | 3.9 | -4.4 | 55% | -1 | 75.79 | 1010.8 | ||||||
| 23 | 14:52 | NW 37 G 54 | 16.09 | Overcast and Breezy | SCT045 BKN085 OVC150 | 4.4 | -3.9 | 55% | -1 | 75.74 | 1010.1 | ||||||
| 23 | 13:52 | NW 28 G 52 | 16.09 | Overcast | SCT044 BKN085 BKN150 OVC250 | 3.9 | -3.9 | 57% | -1 | 75.69 | 1009.4 | ||||||
| 23 | 12:52 | NW 35 G 54 | 16.09 | Overcast and Breezy | BKN045 OVC150 | 3.3 | -4.4 | 3.3 | 0.6 | 57% | -2 | 75.69 | 1009.4 | ||||
| 23 | 11:52 | NW 24 G 46 | 16.09 | Overcast | FEW034 BKN044 OVC150 | 3.3 | -3.9 | 60% | -1 | 75.69 | 1009.4 | ||||||
| 23 | 10:52 | NW 39 G 56 | 16.09 | Overcast and Breezy | FEW034 BKN048 BKN150 OVC250 | 2.8 | -3.9 | 62% | -3 | 75.67 | 1009.1 | ||||||
| 23 | 09:52 | NW 26 G 46 | 16.09 | Overcast | FEW028 SCT040 OVC055 | 1.1 | -3.3 | 73% | -4 | 75.69 | 1009.3 | ||||||
| 23 | 08:52 | NW 31 G 50 | 16.09 | Overcast | OVC042 | 1.1 | -3.9 | 70% | -5 | 75.69 | 1009.2 | ||||||
| 23 | 07:52 | NW 26 G 52 | 16.09 | Overcast | BKN043 OVC050 | 0.6 | -4.4 | 70% | -5 | 75.67 | 1009.0 | ||||||
| 23 | 06:52 | NW 31 G 50 | 16.09 | Overcast | OVC048 | 0.6 | -4.4 | 0.6 | -0.6 | 70% | -5 | 75.62 | 1008.5 | ||||
| 23 | 05:52 | NW 26 G 48 | 16.09 | Overcast | OVC060 | 0 | -4.4 | 73% | -6 | 75.62 | 1008.3 | ||||||
| 23 | 04:52 | NW 26 G 46 | 16.09 | Overcast | OVC049 | 0 | -3.9 | 75% | -6 | 75.62 | 1008.3 | ||||||
| 23 | 03:52 | NW 26 G 46 | 16.09 | Overcast | OVC070 | 0 | -3.9 | 75% | -6 | 75.62 | 1008.3 | ||||||
| 23 | 02:52 | NW 28 G 37 | 16.09 | Overcast | BKN055 OVC070 | 0 | -3.3 | 79% | -6 | 75.62 | 1008.2 | ||||||
| 23 | 01:52 | NW 20 | 6.44 | Light Snow Fog/Mist | SCT015 BKN020 OVC030 | -0.6 | -2.2 | 89% | -6 | 75.64 | 1008.7 | ||||||
| 23 | 00:52 | NW 26 G 39 | 6.44 | Light Snow Fog/Mist | FEW018 BKN027 OVC031 | 0 | -1.7 | 1.1 | 0 | 88% | -6 | 75.64 | 1008.6 | 0.23 | |||
| 22 | 23:52 | NW 31 G 50 | 4.02 | Light Snow Fog/Mist | OVC020 | 0 | -1.7 | 88% | -6 | 75.67 | 1008.8 | ||||||
| 22 | 22:52 | NW 26 G 50 | 3.22 | Light Snow Fog/Mist | BKN019 OVC025 | 0.6 | -1.7 | 85% | -5 | 75.69 | 1009.4 | ||||||
| 22 | 21:52 | NW 26 G 48 | 3.22 | Light Snow Fog/Mist | FEW013 BKN023 OVC029 | 0.6 | -1.1 | 89% | -5 | 75.74 | 1010.0 | 0.03 | 0.23 | ||||
| 22 | 20:52 | NW 24 G 41 | 1.21 | Light Snow Fog/Mist | BKN010 OVC014 | 0.6 | -0.6 | 92% | -5 | 75.77 | 1010.5 | 0.05 | |||||
| 22 | 19:52 | NW 28 | 2.41 | Light Snow Fog/Mist | BKN007 OVC012 | 0.6 | 0 | 96% | -5 | 75.79 | 1010.8 | 0.15 | |||||
| 22 | 18:52 | NW 20 G 31 | 1.21 | Light Snow Fog/Mist | OVC004 | 0.6 | 0 | 3.3 | 0.6 | 96% | -4 | 75.82 | 1011.0 | 0.2 | 1.22 | ||
| 22 | 17:52 | NW 19 | 1.21 | Light Snow Fog/Mist | OVC004 | 0.6 | 0 | 96% | -4 | 75.79 | 1010.8 | 0.33 | |||||
| 22 | 16:52 | NW 13 | 0.80 | Snow Fog | OVC004 | 0.6 | 0 | 96% | -3 | 75.79 | 1010.5 | 0.23 | |||||
| 22 | 15:52 | NW 15 | 2.41 | Light Snow Fog/Mist | OVC006 | 1.1 | 0 | 92% | -3 | 75.77 | 1010.4 | 0.2 | 0.46 | ||||
| 22 | 14:52 | N 15 | 4.83 | Light Rain Snow Fog/Mist | OVC007 | 2.2 | 1.1 | 93% | -1 | 75.79 | 1010.5 | 0.18 | |||||
| 22 | 13:52 | N 19 | 9.66 | Light Rain Fog/Mist | BKN009 OVC012 | 2.8 | 1.7 | 93% | -1 | 75.82 | 1010.8 | 0.08 | |||||
| 22 | 12:52 | N 17 | 11.27 | Light Rain | SCT009 OVC014 | 3.3 | 1.7 | 3.9 | 2.8 | 89% | -0 | 75.87 | 1011.5 | 0.05 | 0.3 | ||
| 22 | 11:52 | NE 11 | 8.05 | Light Rain Fog/Mist | SCT007 OVC012 | 3.3 | 1.7 | 89% | 1 | 75.97 | 1012.9 | 0.03 | |||||
| 22 | 10:52 | N 6 | 16.09 | Light Rain | FEW007 SCT012 OVC015 | 3.3 | 1.7 | 89% | 76.05 | 1014.0 | |||||||
| 22 | 09:52 | NE 6 | 9.66 | Light Rain Fog/Mist | FEW007 BKN017 OVC025 | 2.8 | 1.7 | 93% | 76.07 | 1014.5 | 0.05 | 0.23 | |||||
| 22 | 08:52 | NE 7 | 8.05 | Light Rain Fog/Mist | FEW007 BKN013 OVC024 | 3.3 | 1.7 | 89% | 2 | 76.12 | 1014.8 | 0.15 | |||||
| 22 | 07:52 | Calm | 14.48 | Light Rain | OVC021 | 3.3 | 2.2 | 93% | 76.15 | 1015.3 | 0.03 | ||||||
| 22 | 06:52 | N 7 | 16.09 | Light Rain | FEW020 BKN032 OVC043 | 3.9 | 1.7 | 4.4 | 2.8 | 86% | 2 | 76.15 | 1015.2 | 0.1 | |||
| 22 | 05:52 | Calm | 16.09 | Unknown Precip | OVC039 | 3.3 | 2.2 | 93% | 76.2 | 1016.0 | 0.03 | ||||||
| 22 | 04:52 | NE 6 | 16.09 | Light Rain | OVC032 | 3.3 | 1.7 | 89% | 76.2 | 1016.0 | 0.05 | ||||||
| Date | Time (est) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||