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 | 07:52 | Calm | 16.09 | Mostly Cloudy | FEW070 FEW120 BKN250 | 18.3 | 13.3 | 21.7 | 16.7 | 73% | 76.35 | 1017.7 | |||||
| 01 | 06:52 | Calm | 16.09 | Mostly Cloudy | FEW120 BKN190 | 17.8 | 13.3 | 75% | 76.28 | 1016.5 | |||||||
| 01 | 05:52 | SW 13 | 16.09 | Mostly Cloudy | FEW120 SCT180 BKN200 | 18.3 | 13.3 | 73% | 76.23 | 1015.8 | |||||||
| 01 | 04:52 | SW 20 | 16.09 | Mostly Cloudy | FEW120 SCT180 BKN200 | 20 | 13.3 | 65% | 76.17 | 1015.2 | |||||||
| 01 | 03:52 | SW 24 G 43 | 16.09 | Mostly Cloudy | SCT180 BKN200 | 21.1 | 12.8 | 59% | 76.15 | 1014.8 | |||||||
| 01 | 02:52 | S 24 | 16.09 | Mostly Cloudy | SCT180 BKN200 | 21.1 | 12.8 | 59% | 76.15 | 1015.0 | |||||||
| 01 | 01:52 | SW 24 | 16.09 | Mostly Cloudy | BKN180 | 21.7 | 12.2 | 26.1 | 21.7 | 55% | 76.15 | 1014.9 | |||||
| 01 | 00:52 | SW 24 G 37 | 16.09 | Mostly Cloudy | BKN180 BKN200 | 22.2 | 12.2 | 53% | 76.15 | 1015.0 | |||||||
| 31 | 23:52 | S 26 G 41 | 16.09 | Fair | CLR | 22.8 | 12.2 | 51% | 76.15 | 1014.8 | |||||||
| 31 | 22:52 | S 26 G 39 | 16.09 | Partly Cloudy | FEW150 SCT250 | 23.3 | 12.2 | 50% | 76.1 | 1014.3 | |||||||
| 31 | 21:52 | S 24 G 39 | 16.09 | Partly Cloudy | FEW150 SCT250 | 23.9 | 12.2 | 48% | 25 | 76.1 | 1014.4 | ||||||
| 31 | 20:52 | S 22 | 16.09 | Partly Cloudy | FEW150 SCT250 | 25 | 12.2 | 45% | 26 | 76.12 | 1014.6 | ||||||
| 31 | 19:52 | SW 24 G 46 | 16.09 | Mostly Cloudy | SCT150 BKN250 | 26.1 | 12.2 | 28.3 | 25.6 | 42% | 26 | 76.1 | 1014.3 | ||||
| 31 | 18:52 | S 28 G 48 | 16.09 | Partly Cloudy | FEW070 SCT250 | 26.7 | 12.2 | 41% | 27 | 76.07 | 1014.1 | ||||||
| 31 | 17:52 | S 33 G 52 | 16.09 | Partly Cloudy and Breezy | FEW060 SCT250 | 27.8 | 12.2 | 38% | 27 | 76.07 | 1013.8 | ||||||
| 31 | 16:52 | S 33 G 56 | 16.09 | Mostly Cloudy and Breezy | FEW070 BKN250 | 27.8 | 12.2 | 38% | 27 | 76.1 | 1014.2 | ||||||
| 31 | 15:52 | S 26 G 50 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 27.2 | 12.8 | 41% | 27 | 76.17 | 1015.1 | ||||||
| 31 | 14:52 | S 22 G 39 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 27.8 | 12.8 | 40% | 27 | 76.23 | 1015.8 | ||||||
| 31 | 13:52 | S 22 G 41 | 16.09 | Mostly Cloudy | FEW060 FEW080 BKN250 | 26.7 | 12.8 | 26.7 | 15.6 | 42% | 27 | 76.33 | 1017.2 | ||||
| 31 | 11:52 | S 28 G 43 | 16.09 | Mostly Cloudy | FEW050 FEW200 BKN250 | 24.4 | 12.2 | 47% | 26 | 76.43 | 1018.9 | ||||||
| 31 | 10:52 | S 26 G 41 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 22.2 | 11.7 | 52% | 76.48 | 1019.4 | |||||||
| 31 | 09:52 | S 24 G 37 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 19.4 | 10.6 | 57% | 76.53 | 1020.1 | |||||||
| 31 | 08:52 | S 19 G 35 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 17.2 | 10 | 63% | 76.53 | 1020.3 | |||||||
| 31 | 07:52 | S 20 G 33 | 16.09 | Mostly Cloudy | FEW170 BKN250 | 15.6 | 10 | 17.2 | 15 | 70% | 76.56 | 1020.3 | |||||
| 31 | 06:52 | S 19 | 16.09 | Mostly Cloudy | FEW120 SCT170 BKN250 | 15 | 9.4 | 69% | 76.53 | 1020.0 | |||||||
| 31 | 05:52 | S 20 | 16.09 | Partly Cloudy | FEW120 SCT170 SCT250 | 15.6 | 9.4 | 67% | 76.5 | 1019.7 | |||||||
| 31 | 04:52 | S 19 | 16.09 | Fair | CLR | 16.1 | 10 | 67% | 76.43 | 1018.9 | |||||||
| 31 | 03:52 | S 20 | 16.09 | Fair | CLR | 16.7 | 10 | 65% | 76.43 | 1018.7 | |||||||
| 31 | 02:52 | S 24 G 44 | 16.09 | A Few Clouds | FEW120 | 16.7 | 10 | 65% | 76.43 | 1018.8 | |||||||
| 31 | 01:52 | S 28 G 44 | 16.09 | A Few Clouds | FEW120 | 17.2 | 10 | 18.9 | 17.2 | 63% | 76.48 | 1019.5 | |||||
| 31 | 00:52 | S 28 G 39 | 16.09 | Fair | CLR | 17.2 | 10.6 | 65% | 76.5 | 1020.0 | |||||||
| 30 | 23:52 | S 28 G 41 | 16.09 | A Few Clouds | FEW120 | 17.8 | 10 | 60% | 76.53 | 1020.2 | |||||||
| 30 | 22:52 | SW 30 G 46 | 16.09 | Mostly Cloudy | BKN120 | 18.9 | 10.6 | 59% | 76.53 | 1020.3 | |||||||
| 30 | 21:52 | SW 26 G 39 | 16.09 | Overcast | OVC120 | 18.9 | 10.6 | 59% | 76.58 | 1021.0 | |||||||
| 30 | 20:52 | SW 24 G 41 | 16.09 | Mostly Cloudy | BKN110 | 18.9 | 10 | 56% | 76.58 | 1021.0 | |||||||
| 30 | 19:52 | SW 22 G 37 | 16.09 | A Few Clouds | FEW090 FEW150 | 18.9 | 10.6 | 21.7 | 16.7 | 59% | 76.58 | 1020.8 | |||||
| 30 | 18:52 | S 26 G 43 | 16.09 | Partly Cloudy | FEW085 SCT140 | 19.4 | 10.6 | 57% | 76.56 | 1020.7 | |||||||
| 30 | 17:52 | S 28 G 52 | 16.09 | Mostly Cloudy | FEW080 BKN140 | 20.6 | 10.6 | 53% | 76.56 | 1020.4 | |||||||
| 30 | 16:52 | SW 30 G 46 | 16.09 | Mostly Cloudy | FEW080 BKN140 | 19.4 | 10 | 55% | 76.58 | 1020.9 | |||||||
| 30 | 15:52 | SW 22 G 41 | 16.09 | Mostly Cloudy | SCT070 BKN120 | 20 | 9.4 | 51% | 76.61 | 1021.2 | |||||||
| 30 | 14:52 | SW 30 G 44 | 16.09 | Mostly Cloudy | SCT070 BKN100 | 18.9 | 10 | 56% | 76.68 | 1022.2 | |||||||
| 30 | 13:52 | SW 30 G 48 | 16.09 | Mostly Cloudy | BKN090 BKN110 | 16.7 | 9.4 | 16.7 | 10.6 | 62% | 76.76 | 1023.3 | 0.08 | ||||
| 30 | 12:52 | S 17 G 35 | 16.09 | Overcast | BKN095 OVC120 | 15 | 9.4 | 69% | 76.84 | 1024.1 | |||||||
| 30 | 11:52 | SW 20 G 41 | 16.09 | Overcast | FEW070 OVC090 | 13.3 | 9.4 | 77% | 76.91 | 1025.2 | |||||||
| 30 | 10:52 | S 20 G 35 | 16.09 | Mostly Cloudy | FEW070 BKN090 | 11.1 | 9.4 | 89% | 76.96 | 1026.2 | 0.05 | 0.08 | |||||
| 30 | 08:52 | S 19 | 11.27 | Light Rain | BKN075 OVC085 | 11.1 | 7.2 | 77% | 76.96 | 1026.0 | 0.03 | ||||||
| 30 | 07:52 | S 17 G 28 | 16.09 | Light Rain | BKN070 OVC085 | 11.1 | 5.6 | 12.8 | 10.6 | 69% | 76.96 | 1026.0 | |||||
| 30 | 06:52 | S 22 G 37 | 16.09 | Overcast | OVC095 | 11.7 | 3.3 | 57% | 76.89 | 1025.1 | |||||||
| 30 | 05:52 | S 19 G 35 | 16.09 | Overcast | BKN170 OVC240 | 11.7 | 2.2 | 52% | 76.86 | 1024.7 | |||||||
| 30 | 04:52 | S 20 G 39 | 16.09 | Mostly Cloudy | BKN110 | 11.7 | 1.7 | 51% | 76.86 | 1024.5 | |||||||
| 30 | 03:52 | S 19 G 35 | 16.09 | Overcast | OVC120 | 11.7 | 0 | 45% | 76.89 | 1025.0 | |||||||
| 30 | 02:52 | S 20 | 16.09 | Overcast | BKN150 OVC180 | 12.2 | -1.7 | 38% | 76.91 | 1025.2 | |||||||
| 30 | 01:52 | S 15 G 31 | 16.09 | Overcast | SCT120 OVC150 | 12.8 | -5 | 14.4 | 12.8 | 29% | 76.96 | 1025.8 | |||||
| 30 | 00:52 | S 24 | 16.09 | Overcast | BKN130 OVC150 | 12.8 | -7.2 | 24% | 76.96 | 1025.9 | |||||||
| 29 | 23:52 | S 24 G 39 | 16.09 | Overcast | FEW120 OVC140 | 13.3 | -7.2 | 24% | 76.99 | 1026.5 | |||||||
| 29 | 22:52 | S 22 G 35 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 13.3 | -5.6 | 27% | 77.04 | 1027.0 | |||||||
| 29 | 21:52 | S 15 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 13.3 | -3.9 | 30% | 77.06 | 1027.3 | |||||||
| 29 | 20:52 | S 19 G 33 | 16.09 | Mostly Cloudy | FEW150 BKN220 BKN250 | 13.9 | -3.9 | 29% | 77.04 | 1027.1 | |||||||
| 29 | 19:52 | S 15 | 16.09 | Mostly Cloudy | FEW120 BKN200 BKN250 | 14.4 | -3.9 | 16.7 | 13.9 | 28% | 77.06 | 1027.4 | |||||
| 29 | 18:52 | S 19 G 31 | 16.09 | Mostly Cloudy | BKN200 BKN250 | 15 | -3.9 | 27% | 77.09 | 1027.7 | |||||||
| 29 | 17:52 | S 28 G 39 | 16.09 | Mostly Cloudy | FEW100 FEW200 BKN250 | 15.6 | -3.3 | 27% | 77.11 | 1028.1 | |||||||
| 29 | 16:52 | S 30 G 43 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 15.6 | -3.3 | 27% | 77.11 | 1028.3 | |||||||
| 29 | 15:52 | S 26 G 43 | 16.09 | Mostly Cloudy | FEW200 BKN250 | 16.1 | -2.8 | 27% | 77.19 | 1029.2 | |||||||
| 29 | 14:52 | S 33 G 46 | 16.09 | Partly Cloudy and Breezy | FEW200 SCT250 | 15.6 | -3.3 | 27% | 77.27 | 1030.2 | |||||||
| 29 | 13:52 | S 33 G 50 | 16.09 | A Few Clouds and Breezy | FEW250 | 15 | -3.3 | 15 | 0 | 28% | 77.37 | 1031.5 | |||||
| 29 | 12:52 | S 31 G 52 | 16.09 | A Few Clouds | FEW250 | 13.3 | -4.4 | 29% | 77.47 | 1032.9 | |||||||
| 29 | 11:52 | S 24 G 48 | 16.09 | Mostly Cloudy | SCT160 BKN250 | 12.8 | -4.4 | 30% | 77.55 | 1034.1 | |||||||
| 29 | 10:52 | S 26 G 39 | 16.09 | Mostly Cloudy | FEW170 BKN250 | 10.6 | -4.4 | 35% | 77.6 | 1034.8 | |||||||
| 29 | 09:52 | S 30 G 48 | 16.09 | Mostly Cloudy | BKN160 BKN250 | 8.3 | -5.6 | 37% | 5 | 77.65 | 1035.2 | ||||||
| 29 | 08:52 | S 15 | 16.09 | Mostly Cloudy | SCT160 BKN250 | 3.3 | -4.4 | 57% | 0 | 77.65 | 1035.4 | ||||||
| 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) | |||||||||||||||