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. | ||||||||||||||||
| 16 | 20:52 | NW 44 G 69 | 1.21 | Heavy Rain Fog/Mist and Windy | VV009 | 5 | 3.9 | 93% | -1 | 74.65 | 995.3 | 0.51 | |||||
| 16 | 19:52 | Vrbl 11 G 43 | 16.09 | Overcast | FEW013 OVC035 | 18.3 | 13.9 | 18.3 | 16.1 | 76% | 74.3 | 990.4 | |||||
| 16 | 18:52 | S 20 G 44 | 16.09 | Overcast | FEW011 SCT033 OVC120 | 18.3 | 15 | 81% | 74.32 | 990.7 | |||||||
| 16 | 17:52 | SE 22 G 37 | 16.09 | Mostly Cloudy | SCT010 BKN090 BKN110 | 17.2 | 16.1 | 93% | 74.45 | 992.3 | |||||||
| 16 | 16:52 | S 20 G 39 | 16.09 | Overcast | SCT025 BKN065 OVC120 | 16.7 | 15 | 90% | 74.57 | 994.1 | |||||||
| 16 | 15:52 | S 17 G 39 | 16.09 | Overcast | FEW022 BKN070 OVC120 | 16.1 | 13.9 | 87% | 74.68 | 995.5 | |||||||
| 16 | 14:52 | S 19 G 39 | 16.09 | Light Rain | FEW018 BKN039 OVC080 | 16.7 | 14.4 | 86% | 74.78 | 996.7 | |||||||
| 16 | 13:52 | S 19 | 11.27 | Light Rain | BKN050 OVC080 | 16.7 | 15 | 20.6 | 16.7 | 90% | 74.85 | 997.7 | 0.2 | 0.94 | |||
| 16 | 12:52 | S 39 G 59 | 4.83 | Rain Fog/Mist and Breezy | BKN027 BKN055 OVC070 | 17.2 | 15 | 87% | 74.96 | 999.2 | 0.46 | ||||||
| 16 | 11:52 | S 20 G 39 | 3.22 | Light Rain Fog/Mist | BKN009 BKN019 OVC022 | 18.9 | 17.2 | 90% | 75.03 | 1000.1 | 0.28 | ||||||
| 16 | 10:52 | S 19 G 39 | 16.09 | Overcast | BKN019 OVC025 | 20 | 16.7 | 81% | 75.08 | 1000.7 | |||||||
| 16 | 09:52 | S 17 G 48 | 16.09 | Overcast | BKN020 OVC025 | 19.4 | 16.7 | 84% | 75.13 | 1001.6 | |||||||
| 16 | 08:52 | S 22 G 39 | 16.09 | Overcast | OVC018 | 18.3 | 16.7 | 90% | 75.16 | 1001.9 | |||||||
| 16 | 07:52 | S 20 G 31 | 16.09 | Overcast | BKN014 OVC024 | 17.2 | 16.1 | 17.2 | 15 | 93% | 75.23 | 1002.7 | 0.05 | ||||
| 16 | 06:52 | S 17 G 37 | 16.09 | Overcast | BKN008 OVC014 | 17.2 | 16.1 | 93% | 75.26 | 1003.1 | 0.03 | ||||||
| 16 | 05:52 | SE 20 G 33 | 16.09 | Overcast | BKN007 OVC012 | 16.1 | 15.6 | 97% | 75.31 | 1003.9 | 0.03 | ||||||
| 16 | 04:52 | SE 22 G 35 | 16.09 | Overcast | BKN008 OVC013 | 16.1 | 15.6 | 97% | 75.39 | 1005.0 | |||||||
| 16 | 03:52 | S 22 G 37 | 14.48 | Light Rain | OVC007 | 15.6 | 15 | 96% | 75.49 | 1006.2 | |||||||
| 16 | 02:52 | SE 20 G 35 | 16.09 | Overcast | OVC006 | 15.6 | 14.4 | 93% | 75.57 | 1007.3 | |||||||
| 16 | 01:52 | SE 22 G 48 | 14.48 | Light Rain | OVC006 | 15 | 13.9 | 15 | 11.7 | 93% | 75.67 | 1008.7 | 0.03 | 0.2 | |||
| 16 | 00:52 | SE 17 G 31 | 6.44 | Light Rain Fog/Mist | BKN007 OVC010 | 13.3 | 12.8 | 97% | 75.79 | 1010.4 | 0.13 | ||||||
| 15 | 23:52 | SE 15 G 30 | 11.27 | Light Rain | OVC014 | 13.3 | 11.7 | 90% | 75.95 | 1012.5 | 0.05 | ||||||
| 15 | 22:52 | SE 15 | 16.09 | Mostly Cloudy | BKN025 BKN038 | 13.3 | 10.6 | 84% | 76.07 | 1014.2 | |||||||
| 15 | 21:52 | SE 17 | 16.09 | Mostly Cloudy | BKN025 BKN090 | 13.3 | 9.4 | 77% | 76.2 | 1015.9 | |||||||
| 15 | 20:52 | E 11 | 16.09 | Overcast | BKN023 OVC037 | 11.7 | 5 | 64% | 76.3 | 1017.2 | |||||||
| 15 | 19:52 | E 13 | 16.09 | Overcast | SCT025 OVC037 | 12.8 | 6.7 | 13.9 | 12.8 | 67% | 76.35 | 1018.1 | |||||
| 15 | 18:52 | E 22 G 37 | 16.09 | Overcast | BKN030 BKN050 OVC100 | 13.3 | 6.1 | 62% | 76.4 | 1018.6 | |||||||
| 15 | 17:52 | E 13 | 16.09 | Overcast | BKN033 OVC100 | 12.8 | 3.3 | 53% | 76.48 | 1019.6 | |||||||
| 15 | 16:52 | E 20 G 33 | 16.09 | Overcast | BKN034 OVC100 | 12.8 | 2.2 | 49% | 76.56 | 1020.5 | |||||||
| 15 | 15:52 | SE 19 G 35 | 16.09 | Overcast | OVC037 | 13.9 | 1.7 | 44% | 76.61 | 1021.2 | |||||||
| 15 | 14:52 | SE 20 G 39 | 16.09 | Mostly Cloudy | BKN040 BKN150 | 13.9 | 2.2 | 45% | 76.66 | 1022.0 | |||||||
| 15 | 13:52 | SE 20 G 37 | 16.09 | Overcast | OVC042 | 12.8 | 1.1 | 12.8 | 5.6 | 45% | 76.78 | 1023.6 | |||||
| 15 | 12:52 | SE 22 G 35 | 16.09 | Overcast | BKN039 OVC070 | 11.1 | 0 | 47% | 76.89 | 1025.1 | |||||||
| 15 | 11:52 | SE 19 | 16.09 | Overcast | OVC038 | 10 | -2.8 | 41% | 8 | 76.94 | 1025.9 | ||||||
| 15 | 10:52 | SE 17 G 31 | 16.09 | Overcast | OVC040 | 9.4 | -3.3 | 41% | 7 | 77.01 | 1026.8 | ||||||
| 15 | 09:52 | E 19 G 30 | 16.09 | Mostly Cloudy | BKN045 | 8.9 | -4.4 | 39% | 6 | 77.01 | 1026.8 | ||||||
| 15 | 08:52 | E 13 G 30 | 16.09 | Mostly Cloudy | BKN050 BKN170 | 7.8 | -3.9 | 44% | 6 | 77.01 | 1026.8 | ||||||
| 15 | 07:52 | E 6 | 16.09 | Mostly Cloudy | SCT055 SCT170 BKN250 | 5.6 | -4.4 | 6.7 | 2.8 | 49% | 76.99 | 1026.6 | |||||
| 15 | 06:52 | Calm | 16.09 | Mostly Cloudy | BKN055 BKN170 | 6.7 | -5 | 43% | 76.99 | 1026.4 | |||||||
| 15 | 05:52 | E 6 | 16.09 | Mostly Cloudy | BKN048 | 6.1 | -5 | 45% | 76.94 | 1025.8 | |||||||
| 15 | 04:52 | E 7 | 16.09 | Mostly Cloudy | FEW050 BKN200 | 6.7 | -6.1 | 40% | 6 | 76.94 | 1025.8 | ||||||
| 15 | 03:52 | E 11 | 16.09 | Mostly Cloudy | FEW170 BKN200 | 6.7 | -6.7 | 38% | 5 | 76.96 | 1026.0 | ||||||
| 15 | 02:52 | E 6 | 16.09 | Mostly Cloudy | SCT150 BKN180 | 3.9 | -5 | 53% | 76.96 | 1026.2 | |||||||
| 15 | 01:52 | E 6 | 16.09 | Partly Cloudy | FEW140 SCT250 | 4.4 | -6.1 | 12.2 | 3.9 | 47% | 76.96 | 1026.2 | |||||
| 15 | 00:52 | E 6 | 16.09 | Mostly Cloudy | BKN140 BKN250 | 6.7 | -8.3 | 34% | 76.96 | 1026.2 | |||||||
| 14 | 23:52 | E 7 | 16.09 | Partly Cloudy | FEW130 SCT250 | 5.6 | -8.3 | 36% | 4 | 76.96 | 1026.1 | ||||||
| 14 | 22:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 7.2 | -8.3 | 33% | 76.94 | 1025.8 | |||||||
| 14 | 21:52 | E 7 | 16.09 | A Few Clouds | FEW200 | 6.7 | -8.3 | 34% | 6 | 76.89 | 1025.2 | ||||||
| 14 | 20:52 | N 11 | 16.09 | Fair | CLR | 10 | -10 | 24% | 9 | 76.78 | 1023.8 | ||||||
| 14 | 19:52 | N 11 | 16.09 | Mostly Cloudy | FEW140 BKN200 | 11.1 | -9.4 | 15.6 | 10.6 | 23% | 76.71 | 1022.6 | |||||
| 14 | 18:52 | NW 17 | 16.09 | Mostly Cloudy | FEW140 BKN200 | 13.3 | -10 | 19% | 76.66 | 1022.1 | |||||||
| 14 | 17:52 | N 15 | 16.09 | Mostly Cloudy | BKN200 | 15 | -10 | 17% | 76.58 | 1021.0 | |||||||
| 14 | 16:52 | NW 13 | 16.09 | Mostly Cloudy | BKN200 | 15.6 | -9.4 | 17% | 76.58 | 1020.8 | |||||||
| 14 | 15:52 | NW 19 | 16.09 | Mostly Cloudy | BKN200 | 15 | -8.3 | 19% | 76.56 | 1020.8 | |||||||
| 14 | 14:52 | W 26 G 37 | 16.09 | Mostly Cloudy | BKN200 | 14.4 | -8.3 | 20% | 76.53 | 1020.4 | |||||||
| 14 | 13:52 | NW 31 G 44 | 16.09 | Mostly Cloudy | FEW180 BKN250 | 13.9 | -8.3 | 13.9 | 7.8 | 21% | 76.58 | 1021.0 | |||||
| 14 | 12:52 | W 28 G 39 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 13.3 | -7.8 | 22% | 76.58 | 1020.9 | |||||||
| 14 | 11:52 | NW 33 G 44 | 14.48 | Mostly Cloudy and Breezy | FEW200 BKN250 | 11.7 | -7.2 | 26% | 76.53 | 1020.3 | |||||||
| 14 | 10:52 | NW 24 G 44 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 10.6 | -7.8 | 27% | 76.5 | 1019.9 | |||||||
| 14 | 09:52 | NW 26 G 41 | 16.09 | Mostly Cloudy | BKN250 | 10 | -8.3 | 27% | 7 | 76.43 | 1018.9 | ||||||
| 14 | 08:52 | W 11 | 16.09 | Mostly Cloudy | BKN250 | 10.6 | -8.3 | 26% | 76.33 | 1017.5 | |||||||
| 14 | 07:52 | W 9 | 16.09 | Partly Cloudy | SCT250 | 7.8 | -10 | 11.1 | 6.7 | 27% | 6 | 76.23 | 1016.3 | ||||
| 14 | 06:52 | W 9 | 16.09 | A Few Clouds | FEW250 | 8.3 | -11.7 | 23% | 7 | 76.1 | 1014.6 | ||||||
| 14 | 05:52 | W 9 | 16.09 | A Few Clouds | FEW250 | 10 | -12.8 | 19% | 9 | 76 | 1013.2 | ||||||
| 14 | 04:52 | W 17 G 33 | 16.09 | A Few Clouds | FEW250 | 9.4 | -6.1 | 33% | 7 | 75.9 | 1011.9 | ||||||
| 14 | 03:52 | SW 9 | 16.09 | A Few Clouds | FEW250 | 7.8 | -1.7 | 51% | 6 | 75.84 | 1011.1 | ||||||
| 14 | 02:52 | S 17 | 16.09 | A Few Clouds | FEW085 | 8.9 | -1.7 | 48% | 7 | 75.79 | 1010.6 | ||||||
| 14 | 01:52 | SW 13 G 35 | 16.09 | A Few Clouds | FEW050 | 10 | -1.1 | 12.2 | 10 | 46% | 8 | 75.77 | 1010.1 | ||||
| 14 | 00:52 | SW 15 | 16.09 | A Few Clouds | FEW050 FEW200 | 10.6 | -1.7 | 43% | 75.74 | 1009.7 | |||||||
| 13 | 23:52 | SW 15 | 16.09 | A Few Clouds | FEW200 | 11.1 | -1.7 | 41% | 75.69 | 1009.1 | |||||||
| 13 | 22:52 | SW 22 | 16.09 | A Few Clouds | FEW200 | 11.7 | -2.2 | 38% | 75.64 | 1008.4 | |||||||
| 13 | 21:52 | SW 24 G 43 | 16.09 | A Few Clouds | FEW200 | 11.7 | -2.2 | 38% | 75.59 | 1007.8 | |||||||
| 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) | |||||||||||||||