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 | 13:52 | SE 13 | 16.09 | Mostly Cloudy | FEW060 BKN250 | 31.7 | 13.9 | 32.2 | 18.9 | 34% | 31 | 75.84 | 1010.7 | ||||
| 16 | 12:52 | SE 6 | 16.09 | Mostly Cloudy | FEW050 BKN250 | 30.6 | 13.9 | 36% | 30 | 75.92 | 1011.7 | ||||||
| 16 | 11:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 30 | 13.9 | 37% | 29 | 75.97 | 1012.5 | ||||||
| 16 | 10:52 | N 7 | 16.09 | Mostly Cloudy | BKN250 | 28.9 | 11.1 | 33% | 28 | 76.02 | 1013.1 | ||||||
| 16 | 09:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 26.1 | 13.3 | 45% | 26 | 76.05 | 1013.4 | ||||||
| 16 | 08:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 22.8 | 12.8 | 53% | 76.07 | 1013.8 | |||||||
| 16 | 07:52 | Calm | 16.09 | Mostly Cloudy | BKN250 | 18.9 | 13.9 | 23.3 | 17.2 | 73% | 76.07 | 1013.8 | |||||
| 16 | 06:52 | Calm | 12.87 | Mostly Cloudy | BKN250 | 18.3 | 11.7 | 66% | 76.02 | 1013.2 | |||||||
| 16 | 05:52 | S 7 | 16.09 | Mostly Cloudy | BKN250 | 18.9 | 11.1 | 61% | 75.97 | 1012.6 | |||||||
| 16 | 04:52 | S 9 | 16.09 | Fair | CLR | 19.4 | 11.1 | 59% | 75.97 | 1012.4 | |||||||
| 16 | 03:52 | S 7 | 16.09 | Partly Cloudy | SCT240 | 21.1 | 11.1 | 53% | 75.97 | 1012.3 | |||||||
| 16 | 02:52 | Calm | 16.09 | Partly Cloudy | SCT240 | 21.7 | 10.6 | 49% | 75.92 | 1011.8 | |||||||
| 16 | 01:52 | S 9 | 16.09 | Mostly Cloudy | BKN240 | 22.8 | 10.6 | 28.9 | 21.1 | 46% | 75.95 | 1012.2 | |||||
| 16 | 00:52 | S 7 | 16.09 | Mostly Cloudy | BKN240 | 22.8 | 11.1 | 48% | 76 | 1012.8 | |||||||
| 15 | 23:52 | Calm | 16.09 | Mostly Cloudy | BKN240 | 25 | 11.1 | 42% | 26 | 76 | 1012.7 | ||||||
| 15 | 22:52 | S 15 | 16.09 | Mostly Cloudy | BKN240 | 26.1 | 11.1 | 39% | 26 | 75.97 | 1012.6 | ||||||
| 15 | 21:52 | S 15 | 16.09 | Mostly Cloudy | BKN250 | 26.7 | 11.7 | 39% | 27 | 75.97 | 1012.5 | ||||||
| 15 | 20:52 | S 13 | 16.09 | Mostly Cloudy | BKN250 | 27.2 | 12.2 | 39% | 27 | 75.95 | 1012.3 | ||||||
| 15 | 19:52 | S 7 | 16.09 | Mostly Cloudy | FEW100 BKN250 | 28.9 | 12.2 | 32.8 | 28.3 | 36% | 28 | 75.9 | 1011.6 | ||||
| 15 | 18:52 | S 19 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 30.6 | 12.8 | 34% | 30 | 75.92 | 1011.7 | ||||||
| 15 | 17:52 | S 20 G 37 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 31.7 | 12.8 | 31% | 31 | 75.92 | 1011.7 | ||||||
| 15 | 16:52 | SW 26 G 35 | 16.09 | Mostly Cloudy | BKN250 | 32.2 | 12.8 | 31% | 31 | 75.92 | 1012.0 | ||||||
| 15 | 15:52 | S 17 | 16.09 | Mostly Cloudy | FEW180 BKN250 | 32.2 | 12.8 | 31% | 31 | 75.97 | 1012.5 | ||||||
| 15 | 14:52 | SW 15 | 16.09 | Mostly Cloudy | BKN250 | 31.7 | 13.3 | 33% | 31 | 76.02 | 1013.3 | ||||||
| 15 | 13:52 | SW 19 G 31 | 16.09 | Mostly Cloudy | BKN250 | 31.7 | 13.9 | 31.7 | 18.3 | 34% | 31 | 76.07 | 1013.9 | ||||
| 15 | 12:52 | W 17 | 16.09 | Mostly Cloudy | BKN250 | 30.6 | 12.8 | 34% | 30 | 76.1 | 1014.4 | ||||||
| 15 | 11:52 | Vrbl 9 | 16.09 | Partly Cloudy | FEW160 SCT250 | 29.4 | 12.8 | 36% | 29 | 76.15 | 1015.0 | ||||||
| 15 | 10:52 | W 15 | 16.09 | Mostly Cloudy | SCT120 BKN160 BKN250 | 28.9 | 12.8 | 37% | 28 | 76.23 | 1015.8 | ||||||
| 15 | 09:52 | Calm | 16.09 | Mostly Cloudy | SCT120 BKN160 BKN250 | 23.9 | 16.1 | 62% | 25 | 76.25 | 1016.2 | ||||||
| 15 | 08:52 | SW 6 | 16.09 | Mostly Cloudy | BKN120 BKN250 | 22.8 | 15.6 | 64% | 76.25 | 1016.3 | |||||||
| 15 | 07:52 | S 7 | 16.09 | Mostly Cloudy | SCT150 BKN250 | 18.3 | 15.6 | 18.9 | 14.4 | 84% | 76.2 | 1015.6 | |||||
| 15 | 06:52 | S 6 | 16.09 | Mostly Cloudy | SCT120 SCT180 BKN250 | 15.6 | 15 | 96% | 76.15 | 1015.0 | |||||||
| 15 | 05:52 | Calm | 16.09 | A Few Clouds | FEW120 | 15 | 14.4 | 96% | 76.12 | 1014.5 | |||||||
| 15 | 04:52 | Calm | 16.09 | A Few Clouds | FEW250 | 15.6 | 15 | 96% | 76.1 | 1014.3 | |||||||
| 15 | 03:52 | SE 9 | 16.09 | Fair | CLR | 17.2 | 15.6 | 90% | 76.02 | 1013.3 | |||||||
| 15 | 02:52 | Calm | 16.09 | A Few Clouds | FEW120 | 16.7 | 15 | 90% | 76.07 | 1013.9 | |||||||
| 15 | 01:52 | Calm | 16.09 | Mostly Cloudy | BKN120 | 18.3 | 15.6 | 27.2 | 17.8 | 84% | 76.1 | 1014.4 | 0.03 | ||||
| 15 | 00:52 | Calm | 16.09 | Partly Cloudy | SCT120 | 20 | 16.1 | 78% | 76.15 | 1014.8 | |||||||
| 14 | 23:52 | N 7 | 16.09 | Mostly Cloudy | BKN110 | 21.7 | 15.6 | 68% | 76.15 | 1014.9 | |||||||
| 14 | 22:52 | N 20 | 16.09 | Light Rain | FEW060 BKN075 OVC110 | 22.2 | 15.6 | 66% | 76.17 | 1015.3 | 0.03 | 0.03 | |||||
| 14 | 21:52 | SW 15 | 16.09 | Partly Cloudy | FEW120 SCT250 | 25.6 | 12.8 | 45% | 26 | 76.02 | 1013.1 | ||||||
| 14 | 20:52 | S 15 | 16.09 | Partly Cloudy | FEW080 SCT110 | 25 | 12.8 | 47% | 26 | 75.97 | 1012.7 | ||||||
| 14 | 19:52 | S 13 | 16.09 | Partly Cloudy | FEW080 SCT110 SCT250 | 27.2 | 12.8 | 30.6 | 27.2 | 41% | 27 | 75.95 | 1012.3 | ||||
| 14 | 17:52 | SW 24 G 39 | 16.09 | Mostly Cloudy | SCT080 SCT110 BKN250 | 30 | 12.8 | 35% | 29 | 76 | 1012.8 | ||||||
| 14 | 16:52 | S 26 G 37 | 16.09 | Partly Cloudy | FEW065 FEW110 FEW180 SCT250 | 30 | 12.8 | 35% | 29 | 76 | 1013.0 | ||||||
| 14 | 15:52 | SW 20 G 33 | 16.09 | Partly Cloudy | FEW065 FEW180 SCT250 | 29.4 | 12.2 | 35% | 29 | 76.05 | 1013.7 | ||||||
| 14 | 14:52 | SW 19 G 30 | 16.09 | Partly Cloudy | FEW060 SCT180 SCT250 | 30 | 12.2 | 33% | 29 | 76.12 | 1014.6 | ||||||
| 14 | 13:52 | SW 19 | 16.09 | Partly Cloudy | SCT100 SCT250 | 28.9 | 12.2 | 29.4 | 17.8 | 36% | 28 | 76.2 | 1015.8 | ||||
| 14 | 12:52 | W 19 G 39 | 16.09 | Partly Cloudy | SCT110 SCT250 | 28.9 | 10.6 | 32% | 28 | 76.25 | 1016.4 | ||||||
| 14 | 11:52 | S 15 G 30 | 16.09 | Partly Cloudy | SCT100 SCT250 | 27.8 | 11.1 | 35% | 27 | 76.3 | 1017.0 | ||||||
| 14 | 10:52 | SW 17 G 26 | 16.09 | Mostly Cloudy | BKN100 BKN250 | 27.2 | 11.1 | 37% | 27 | 76.35 | 1017.5 | ||||||
| 14 | 09:52 | S 11 | 16.09 | Mostly Cloudy | BKN095 BKN120 | 23.3 | 12.8 | 52% | 76.38 | 1018.0 | |||||||
| 14 | 08:52 | S 9 | 16.09 | Mostly Cloudy | FEW090 FEW120 BKN250 | 20.6 | 12.8 | 61% | 76.4 | 1018.2 | |||||||
| 14 | 07:52 | S 6 | 16.09 | Mostly Cloudy | BKN090 BKN250 | 17.8 | 12.2 | 18.3 | 12.2 | 70% | 76.4 | 1018.3 | |||||
| 14 | 06:52 | Calm | 16.09 | Partly Cloudy | FEW140 SCT250 | 12.2 | 10.6 | 90% | 76.38 | 1018.0 | |||||||
| 14 | 05:52 | Calm | 16.09 | A Few Clouds | FEW100 | 13.9 | 11.1 | 83% | 76.35 | 1017.6 | |||||||
| 14 | 04:52 | SW 9 | 16.09 | Partly Cloudy | SCT100 | 15 | 11.1 | 78% | 76.33 | 1017.5 | |||||||
| 14 | 03:52 | SW 9 | 16.09 | Fair | CLR | 14.4 | 10.6 | 78% | 76.33 | 1017.3 | |||||||
| 14 | 02:52 | SW 9 | 16.09 | Fair | CLR | 17.8 | 11.1 | 65% | 76.3 | 1017.0 | |||||||
| 14 | 01:52 | S 7 | 16.09 | Fair | CLR | 17.8 | 11.1 | 23.3 | 17.2 | 65% | 76.33 | 1017.4 | |||||
| 14 | 00:52 | S 15 | 16.09 | Fair | CLR | 18.9 | 11.1 | 61% | 76.35 | 1017.7 | |||||||
| 13 | 23:52 | SW 17 | 16.09 | Fair | CLR | 19.4 | 11.1 | 59% | 76.33 | 1017.5 | |||||||
| 13 | 22:52 | S 17 | 16.09 | A Few Clouds | FEW250 | 20 | 11.1 | 57% | 76.38 | 1017.8 | |||||||
| 13 | 21:52 | S 11 | 16.09 | A Few Clouds | FEW250 | 20 | 11.1 | 57% | 76.38 | 1018.0 | |||||||
| 13 | 20:52 | SW 15 | 16.09 | A Few Clouds | FEW050 FEW250 | 22.2 | 11.1 | 50% | 76.35 | 1017.7 | |||||||
| 13 | 19:52 | SW 19 | 16.09 | A Few Clouds | FEW050 FEW250 | 23.3 | 10.6 | 26.1 | 23.3 | 45% | 76.33 | 1017.3 | |||||
| 13 | 18:52 | SW 19 | 16.09 | Partly Cloudy | FEW070 SCT250 | 25 | 11.1 | 42% | 26 | 76.33 | 1017.2 | ||||||
| 13 | 17:52 | SW 22 G 35 | 16.09 | Mostly Cloudy | FEW070 BKN220 | 25 | 11.1 | 42% | 26 | 76.33 | 1017.5 | ||||||
| 13 | 16:52 | SW 24 G 35 | 16.09 | Mostly Cloudy | FEW070 BKN140 BKN220 | 25.6 | 11.7 | 42% | 26 | 76.33 | 1017.3 | ||||||
| 13 | 15:52 | SW 28 G 48 | 16.09 | Mostly Cloudy | FEW070 BKN140 BKN180 | 25 | 11.7 | 43% | 26 | 76.35 | 1017.7 | ||||||
| 13 | 14:52 | SW 22 G 39 | 16.09 | Overcast | FEW050 BKN140 OVC180 | 25 | 11.7 | 43% | 26 | 76.4 | 1018.4 | ||||||
| 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) | |||||||||||||||