Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (edt) | 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. | ||||||||||||||||
| 01 | 21:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 8.9 | 1.1 | 58% | 76.53 | 1020.3 | |||||||
| 01 | 20:52 | NW 7 | 16.09 | Mostly Cloudy | BKN250 | 11.7 | 0.6 | 47% | 76.48 | 1019.6 | |||||||
| 01 | 19:52 | NW 9 | 16.09 | Mostly Cloudy | FEW120 BKN200 | 13.3 | 1.1 | 17.8 | 12.2 | 44% | 76.45 | 1019.2 | |||||
| 01 | 18:52 | W 7 | 16.09 | Mostly Cloudy | FEW070 BKN250 | 13.3 | 1.1 | 44% | 76.38 | 1018.4 | |||||||
| 01 | 17:52 | W 9 | 16.09 | Mostly Cloudy | FEW070 BKN250 | 15 | 1.1 | 39% | 76.33 | 1017.7 | |||||||
| 01 | 16:52 | NW 13 | 16.09 | Mostly Cloudy | SCT070 BKN250 | 17.2 | 1.1 | 34% | 76.3 | 1017.0 | |||||||
| 01 | 15:52 | NW 15 | 16.09 | Mostly Cloudy | SCT065 BKN250 | 17.8 | 1.1 | 33% | 76.28 | 1016.9 | |||||||
| 01 | 14:52 | NW 22 | 16.09 | Mostly Cloudy | BKN060 BKN250 | 16.7 | 1.7 | 37% | 76.28 | 1016.8 | |||||||
| 01 | 13:52 | NW 19 G 30 | 14.48 | Mostly Cloudy | SCT060 BKN250 | 17.2 | 2.2 | 17.8 | 4.4 | 37% | 76.3 | 1017.1 | |||||
| 01 | 12:52 | W 19 G 37 | 16.09 | Partly Cloudy | FEW060 FEW090 SCT250 | 16.7 | 1.7 | 37% | 76.33 | 1017.4 | |||||||
| 01 | 11:52 | NW 30 G 43 | 16.09 | Partly Cloudy | FEW050 FEW080 SCT250 | 15.6 | 0.6 | 36% | 76.35 | 1017.8 | |||||||
| 01 | 10:52 | W 28 G 39 | 16.09 | Partly Cloudy | FEW080 SCT250 | 14.4 | 1.1 | 41% | 76.35 | 1017.8 | |||||||
| 01 | 09:52 | S 9 | 16.09 | Mostly Cloudy | BKN250 | 11.1 | 2.2 | 55% | 76.35 | 1017.8 | |||||||
| 01 | 08:52 | S 9 | 16.09 | A Few Clouds | FEW080 FEW250 | 6.7 | 1.7 | 71% | 5 | 76.28 | 1017.0 | ||||||
| 01 | 07:52 | S 7 | 16.09 | A Few Clouds | FEW080 FEW250 | 4.4 | 0.6 | 10.6 | 4.4 | 77% | 3 | 76.23 | 1016.2 | ||||
| 01 | 06:52 | S 7 | 16.09 | A Few Clouds | FEW250 | 5 | 0.6 | 73% | 4 | 76.15 | 1015.1 | ||||||
| 01 | 05:52 | SW 11 | 16.09 | A Few Clouds | FEW250 | 6.1 | 0 | 65% | 4 | 76.07 | 1014.3 | ||||||
| 01 | 04:52 | W 9 | 16.09 | Fair | CLR | 8.9 | 0 | 54% | 8 | 76.05 | 1013.8 | ||||||
| 01 | 03:52 | S 7 | 16.09 | Fair | CLR | 8.3 | 0 | 56% | 7 | 76.02 | 1013.4 | ||||||
| 01 | 02:52 | W 19 | 16.09 | A Few Clouds | FEW060 | 10 | 0.6 | 52% | 8 | 75.97 | 1012.8 | ||||||
| 01 | 01:52 | W 15 | 16.09 | A Few Clouds | FEW060 | 10.6 | 1.1 | 12.8 | 10 | 52% | 75.92 | 1012.1 | |||||
| 01 | 00:52 | SW 11 | 16.09 | Mostly Cloudy | BKN060 | 11.1 | 1.7 | 53% | 75.92 | 1011.9 | |||||||
| 31 | 23:52 | W 13 | 16.09 | Partly Cloudy | SCT060 | 10 | 1.7 | 57% | 8 | 75.87 | 1011.4 | ||||||
| 31 | 22:52 | W 13 | 16.09 | Partly Cloudy | SCT060 | 12.2 | 0.6 | 45% | 75.84 | 1011.1 | |||||||
| 31 | 21:52 | W 28 G 37 | 16.09 | Mostly Cloudy | BKN060 | 12.2 | 0 | 43% | 75.77 | 1010.2 | |||||||
| 31 | 20:52 | W 15 | 16.09 | Mostly Cloudy | BKN065 | 12.8 | 0 | 42% | 75.74 | 1009.9 | |||||||
| 31 | 19:52 | W 13 | 16.09 | Mostly Cloudy | BKN070 | 12.8 | 0 | 16.1 | 12.2 | 42% | 75.72 | 1009.3 | |||||
| 31 | 18:52 | W 17 G 33 | 16.09 | Overcast | OVC070 | 13.3 | -1.1 | 37% | 75.64 | 1008.5 | |||||||
| 31 | 17:52 | W 24 G 39 | 16.09 | Partly Cloudy | SCT070 | 13.3 | -1.1 | 37% | 75.59 | 1007.8 | |||||||
| 31 | 16:52 | W 44 G 67 | 16.09 | A Few Clouds and Windy | FEW070 | 14.4 | -0.6 | 36% | 75.49 | 1006.4 | |||||||
| 31 | 15:52 | W 33 G 54 | 16.09 | A Few Clouds and Breezy | FEW065 | 15.6 | -1.1 | 32% | 75.41 | 1005.1 | |||||||
| 31 | 14:52 | W 39 G 57 | 16.09 | A Few Clouds and Breezy | FEW065 | 15.6 | -0.6 | 33% | 75.34 | 1004.4 | |||||||
| 31 | 13:52 | W 39 G 59 | 16.09 | Partly Cloudy and Breezy | FEW065 SCT200 | 16.1 | -0.6 | 16.1 | 10 | 32% | 75.31 | 1003.8 | |||||
| 31 | 12:52 | NW 44 G 70 | 16.09 | Partly Cloudy and Windy | FEW065 FEW080 SCT250 | 15.6 | -0.6 | 33% | 75.31 | 1003.8 | |||||||
| 31 | 11:52 | NW 37 G 59 | 16.09 | Mostly Cloudy and Breezy | FEW060 SCT080 BKN250 | 14.4 | 0 | 38% | 75.31 | 1004.0 | |||||||
| 31 | 10:52 | W 35 G 59 | 16.09 | Partly Cloudy and Breezy | FEW055 SCT250 | 13.3 | 0.6 | 42% | 75.29 | 1003.8 | |||||||
| 31 | 09:52 | W 35 G 61 | 16.09 | A Few Clouds and Breezy | FEW055 FEW250 | 12.8 | 0.6 | 44% | 75.29 | 1003.8 | |||||||
| 31 | 08:52 | W 17 G 41 | 16.09 | A Few Clouds | FEW050 | 11.1 | 1.7 | 53% | 75.26 | 1003.5 | |||||||
| 31 | 07:52 | W 26 G 43 | 16.09 | Partly Cloudy | SCT042 | 10 | 1.7 | 12.2 | 9.4 | 57% | 7 | 75.21 | 1002.6 | ||||
| 31 | 06:52 | W 28 G 57 | 16.09 | Mostly Cloudy | BKN042 | 10.6 | 2.8 | 59% | 75.13 | 1001.5 | |||||||
| 31 | 05:52 | NW 28 G 43 | 16.09 | Partly Cloudy | SCT043 | 10.6 | 3.3 | 61% | 75.03 | 1000.3 | |||||||
| 31 | 04:52 | W 39 G 61 | 16.09 | Mostly Cloudy and Breezy | BKN045 | 11.7 | 3.3 | 57% | 74.98 | 999.6 | |||||||
| 31 | 03:52 | W 20 G 43 | 16.09 | Mostly Cloudy | BKN048 | 12.2 | 4.4 | 59% | 74.98 | 999.4 | |||||||
| 31 | 02:52 | W 20 G 35 | 16.09 | Mostly Cloudy | BKN048 | 11.7 | 4.4 | 61% | 74.96 | 999.0 | |||||||
| 31 | 01:52 | SW 11 | 16.09 | Partly Cloudy | SCT048 | 9.4 | 5 | 13.3 | 8.9 | 74% | 8 | 74.93 | 998.6 | ||||
| 31 | 00:52 | SW 9 | 16.09 | A Few Clouds | FEW050 | 10.6 | 5 | 69% | 74.93 | 998.7 | |||||||
| 30 | 23:52 | SW 11 | 16.09 | A Few Clouds | FEW055 | 10.6 | 5 | 69% | 74.9 | 998.4 | |||||||
| 30 | 22:52 | SW 11 | 16.09 | A Few Clouds | FEW055 | 8.9 | 6.1 | 83% | 7 | 74.93 | 999.1 | ||||||
| 30 | 21:52 | W 7 | 16.09 | A Few Clouds | FEW070 | 11.7 | 5.6 | 66% | 74.96 | 999.3 | |||||||
| 30 | 20:52 | W 11 | 16.09 | A Few Clouds | FEW050 | 12.8 | 6.1 | 64% | 74.96 | 999.3 | |||||||
| 30 | 19:52 | NW 6 | 16.09 | Partly Cloudy | FEW046 SCT070 | 13.3 | 7.8 | 18.9 | 12.8 | 70% | 74.96 | 999.0 | |||||
| 30 | 18:52 | NW 13 | 16.09 | Mostly Cloudy | BKN044 | 15 | 8.3 | 64% | 74.93 | 999.0 | |||||||
| 30 | 17:52 | W 11 | 16.09 | Partly Cloudy | SCT037 | 16.1 | 7.8 | 58% | 74.9 | 998.4 | |||||||
| 30 | 16:52 | W 19 | 16.09 | Mostly Cloudy | FEW038 BKN065 BKN080 | 17.2 | 10 | 63% | 74.88 | 998.1 | |||||||
| 30 | 15:52 | SW 19 | 16.09 | Mostly Cloudy | SCT025 BKN037 BKN120 | 17.8 | 8.9 | 56% | 74.85 | 997.9 | |||||||
| 30 | 14:52 | S 17 | 16.09 | Mostly Cloudy | SCT022 BKN035 | 18.3 | 10.6 | 61% | 74.88 | 998.2 | |||||||
| 30 | 13:52 | S 17 G 30 | 16.09 | Mostly Cloudy | BKN016 BKN042 | 17.2 | 12.8 | 17.2 | 11.7 | 76% | 74.93 | 998.9 | 0.1 | ||||
| 30 | 12:52 | S 15 | 16.09 | Overcast | BKN015 OVC021 | 15 | 12.8 | 87% | 74.98 | 999.4 | |||||||
| 30 | 11:52 | S 19 G 33 | 16.09 | Overcast | SCT008 OVC012 | 15 | 13.3 | 90% | 75.01 | 999.9 | |||||||
| 30 | 10:52 | S 11 | 16.09 | Overcast | OVC010 | 15 | 13.3 | 90% | 75.06 | 1000.4 | 0.1 | ||||||
| 30 | 09:52 | E 6 | 11.27 | Mostly Cloudy | FEW008 BKN012 BKN019 | 12.8 | 11.7 | 93% | 75.06 | 1000.7 | |||||||
| 30 | 08:52 | NW 7 | 16.09 | Overcast | SCT007 BKN021 OVC027 | 11.7 | 10.6 | 93% | 75.11 | 1001.2 | 0.1 | ||||||
| 30 | 07:52 | SE 17 G 28 | 8.05 | Thunderstorm Light Rain Fog/Mist | SCT007 OVC015CB | 15.6 | 14.4 | 15.6 | 10.6 | 93% | 75.03 | 1000.1 | 0.15 | 1.12 | |||
| 30 | 06:52 | E 19 G 33 | 4.83 | Light Rain Fog/Mist | SCT005 OVC013 | 13.9 | 13.3 | 96% | 75.03 | 1000.1 | 0.13 | ||||||
| 30 | 05:52 | NE 20 | 8.05 | Fog/Mist | OVC005 | 12.2 | 11.7 | 97% | 75.16 | 1001.8 | 0.03 | ||||||
| 30 | 04:52 | NE 19 | 8.05 | Light Rain Fog/Mist | BKN005 OVC023 | 11.1 | 10.6 | 97% | 75.31 | 1003.8 | 0.05 | 0.81 | |||||
| 30 | 03:52 | N 11 | 9.66 | Light Rain Fog/Mist | SCT008 BKN011 OVC019 | 11.1 | 10.6 | 97% | 75.49 | 1006.4 | 0.36 | ||||||
| 30 | 02:52 | N 13 | 9.66 | Heavy Rain Fog/Mist | SCT008 BKN011 OVC019 | 11.1 | 10.6 | 97% | 75.62 | 1007.8 | 0.41 | ||||||
| 30 | 01:52 | NE 17 | 9.66 | Light Rain Fog/Mist | BKN007 BKN011 OVC022 | 10.6 | 10 | 12.2 | 10.6 | 96% | 75.67 | 1008.8 | 0.28 | 1.73 | |||
| 30 | 00:52 | NE 20 | 4.83 | Light Rain Fog/Mist | BKN007 BKN011 OVC018 | 10.6 | 10 | 96% | 75.77 | 1010.0 | 0.46 | ||||||
| 29 | 23:52 | N 15 | 6.44 | Rain Fog/Mist | BKN007 OVC013 | 10.6 | 10 | 96% | 75.92 | 1012.1 | 0.81 | ||||||
| 29 | 22:52 | NE 6 | 6.44 | Light Rain Fog/Mist | OVC007 | 10.6 | 10 | 96% | 76.02 | 1013.6 | 0.1 | 0.18 | |||||
| Date | Time (edt) | 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) | |||||||||||||||