Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 15 | 01:52 | Calm | 10.00 | Mostly Cloudy | FEW140 BKN160 | 32 | 25 | 75% | 30.07 | 1018.2 | |||||||
| 15 | 00:52 | Calm | 10.00 | Mostly Cloudy | BKN160 | 33.1 | 27 | 42.1 | 33.1 | 78% | 30.08 | 1018.7 | |||||
| 14 | 23:52 | Calm | 10.00 | Mostly Cloudy | BKN180 | 34 | 25 | 70% | 30.09 | 1018.9 | |||||||
| 14 | 22:52 | S 3 | 10.00 | Partly Cloudy | SCT250 | 34 | 25 | 70% | 30.09 | 1019.0 | |||||||
| 14 | 21:52 | Calm | 10.00 | Partly Cloudy | SCT250 | 36 | 26.1 | 67% | 30.08 | 1018.9 | |||||||
| 14 | 20:52 | S 3 | 10.00 | Partly Cloudy | SCT250 | 37 | 26.1 | 65% | 30.09 | 1019.2 | |||||||
| 14 | 19:52 | Calm | 10.00 | Fair | CLR | 39 | 25 | 57% | 30.1 | 1019.4 | |||||||
| 14 | 18:52 | S 3 | 10.00 | Partly Cloudy | FEW120 SCT250 | 39.9 | 25 | 57 | 39.9 | 55% | 30.1 | 1019.5 | |||||
| 14 | 17:52 | S 3 | 10.00 | Overcast | BKN120 OVC200 | 48 | 25 | 41% | 30.08 | 1018.8 | |||||||
| 14 | 16:52 | S 6 | 10.00 | Mostly Cloudy | FEW120 BKN250 | 52 | 27 | 38% | 30.07 | 1018.6 | |||||||
| 14 | 15:52 | W 6 | 10.00 | Partly Cloudy | FEW150 SCT250 | 55.9 | 27 | 33% | 30.07 | 1018.3 | |||||||
| 14 | 14:52 | SW 8 | 10.00 | A Few Clouds | FEW250 | 57 | 26.1 | 30% | 30.06 | 1018.0 | |||||||
| 14 | 13:52 | W 7 | 10.00 | Mostly Cloudy | FEW080 BKN250 | 55.9 | 27 | 33% | 30.08 | 1018.7 | |||||||
| 14 | 12:52 | W 9 | 10.00 | A Few Clouds | FEW080 FEW250 | 54 | 28.9 | 54 | 23 | 38% | 30.1 | 1019.4 | |||||
| 14 | 11:52 | S 7 | 10.00 | A Few Clouds | FEW080 FEW250 | 51.1 | 25 | 36% | 30.13 | 1020.5 | |||||||
| 14 | 10:52 | S 6 | 10.00 | A Few Clouds | FEW250 | 46 | 23 | 40% | 44 | 30.16 | 1021.6 | ||||||
| 14 | 09:52 | S 7 | 10.00 | A Few Clouds | FEW090 FEW250 | 39 | 19.9 | 46% | 35 | 30.17 | 1022.1 | ||||||
| 14 | 08:52 | S 6 | 10.00 | Partly Cloudy | SCT090 | 32 | 19 | 59% | 27 | 30.18 | 1022.4 | ||||||
| 14 | 07:52 | S 5 | 10.00 | A Few Clouds | FEW090 | 26.1 | 17.1 | 69% | 21 | 30.17 | 1022.0 | ||||||
| 14 | 06:52 | Calm | 10.00 | A Few Clouds | FEW080 | 24.1 | 16 | 27 | 21.9 | 71% | 30.18 | 1022.1 | |||||
| 14 | 05:52 | Calm | 10.00 | A Few Clouds | FEW080 | 24.1 | 15.1 | 68% | 30.17 | 1021.9 | |||||||
| 14 | 04:52 | Calm | 10.00 | A Few Clouds | FEW100 | 24.1 | 14 | 65% | 30.17 | 1022.0 | |||||||
| 14 | 03:52 | S 5 | 10.00 | Fair | CLR | 25 | 15.1 | 66% | 20 | 30.17 | 1021.8 | ||||||
| 14 | 02:52 | S 7 | 10.00 | Fair | CLR | 24.1 | 15.1 | 68% | 17 | 30.18 | 1022.3 | ||||||
| 14 | 01:52 | S 6 | 10.00 | Fair | CLR | 26.1 | 14 | 60% | 20 | 30.19 | 1022.6 | ||||||
| 14 | 00:52 | S 7 | 10.00 | Fair | CLR | 25 | 15.1 | 30 | 23 | 66% | 18 | 30.19 | 1022.6 | ||||
| 13 | 23:52 | S 3 | 10.00 | Fair | CLR | 24.1 | 15.1 | 68% | 30.2 | 1023.0 | |||||||
| 13 | 22:52 | Calm | 10.00 | Fair | CLR | 24.1 | 15.1 | 68% | 30.2 | 1022.9 | |||||||
| 13 | 21:52 | S 3 | 10.00 | Fair | CLR | 24.1 | 15.1 | 68% | 30.2 | 1022.9 | |||||||
| 13 | 20:52 | SW 5 | 10.00 | Fair | CLR | 25 | 15.1 | 66% | 20 | 30.2 | 1022.9 | ||||||
| 13 | 19:52 | E 3 | 10.00 | Fair | CLR | 27 | 15.1 | 61% | 30.21 | 1023.1 | |||||||
| 13 | 18:52 | Calm | 10.00 | Fair | CLR | 30.9 | 12.9 | 39 | 28.9 | 47% | 30.2 | 1022.8 | |||||
| 13 | 17:52 | N 5 | 10.00 | A Few Clouds | FEW250 | 37 | 10.9 | 34% | 34 | 30.19 | 1022.6 | ||||||
| 13 | 16:52 | NW 6 | 10.00 | A Few Clouds | FEW250 | 39 | 12 | 33% | 35 | 30.19 | 1022.5 | ||||||
| 13 | 15:52 | N 6 | 10.00 | A Few Clouds | FEW200 | 39 | 12.9 | 34% | 35 | 30.19 | 1022.5 | ||||||
| 13 | 14:52 | N 7 | 10.00 | Fair | CLR | 37.9 | 12.9 | 36% | 33 | 30.19 | 1022.7 | ||||||
| 13 | 13:52 | NW 8 G 17 | 10.00 | Fair | CLR | 36 | 12 | 37% | 30 | 30.21 | 1023.2 | ||||||
| 13 | 12:52 | NW 10 | 10.00 | Fair | CLR | 35.1 | 12.9 | 35.1 | 25 | 40% | 28 | 30.23 | 1023.9 | ||||
| 13 | 11:52 | N 8 | 10.00 | A Few Clouds | FEW050 | 33.1 | 12.9 | 43% | 27 | 30.25 | 1024.8 | ||||||
| 13 | 10:52 | NW 10 | 10.00 | A Few Clouds | FEW050 | 32 | 14 | 47% | 24 | 30.27 | 1025.2 | ||||||
| 13 | 09:52 | NW 14 G 23 | 10.00 | A Few Clouds | FEW045 | 30 | 14 | 51% | 20 | 30.27 | 1025.3 | ||||||
| 13 | 08:52 | N 12 | 10.00 | Fair | CLR | 28 | 12 | 51% | 19 | 30.27 | 1025.2 | ||||||
| 13 | 07:52 | N 12 | 10.00 | Fair | CLR | 26.1 | 12 | 55% | 16 | 30.26 | 1024.8 | ||||||
| 13 | 06:52 | N 8 | 10.00 | A Few Clouds | FEW050 | 25 | 12.9 | 28.9 | 25 | 60% | 17 | 30.23 | 1024.0 | ||||
| 13 | 05:52 | N 8 | 10.00 | Partly Cloudy | SCT040 | 26.1 | 14 | 60% | 18 | 30.21 | 1023.4 | ||||||
| 13 | 04:52 | N 12 | 10.00 | Partly Cloudy | SCT041 | 27 | 15.1 | 61% | 17 | 30.2 | 1023.1 | ||||||
| 13 | 03:52 | NW 9 | 10.00 | Partly Cloudy | SCT041 | 28 | 15.1 | 58% | 20 | 30.19 | 1022.7 | ||||||
| 13 | 02:52 | N 9 | 10.00 | Partly Cloudy | SCT042 | 28 | 15.1 | 58% | 20 | 30.19 | 1022.7 | ||||||
| 13 | 01:52 | NW 5 | 10.00 | A Few Clouds | FEW100 | 27 | 15.1 | 61% | 22 | 30.19 | 1022.6 | ||||||
| 13 | 00:52 | NW 5 | 10.00 | Fair | CLR | 27 | 16 | 32 | 27 | 63% | 22 | 30.19 | 1022.6 | ||||
| 12 | 23:52 | NW 10 | 10.00 | Fair | CLR | 28.9 | 15.1 | 56% | 20 | 30.17 | 1022.1 | ||||||
| 12 | 22:52 | NW 9 | 10.00 | Fair | CLR | 30 | 15.1 | 54% | 22 | 30.17 | 1021.9 | ||||||
| 12 | 21:52 | NW 8 | 10.00 | A Few Clouds | FEW060 | 30 | 15.1 | 54% | 23 | 30.17 | 1022.1 | ||||||
| 12 | 20:52 | NW 10 | 10.00 | Fair | CLR | 30.9 | 15.1 | 52% | 23 | 30.17 | 1022.1 | ||||||
| 12 | 19:52 | NW 14 | 10.00 | A Few Clouds | FEW047 FEW250 | 30.9 | 16 | 54% | 21 | 30.17 | 1021.9 | ||||||
| 12 | 18:52 | NW 14 | 10.00 | A Few Clouds | FEW250 | 32 | 17.1 | 37 | 32 | 54% | 23 | 30.17 | 1021.8 | ||||
| 12 | 17:52 | NW 13 G 23 | 10.00 | Partly Cloudy | FEW047 SCT250 | 34 | 18 | 52% | 26 | 30.14 | 1021.0 | ||||||
| 12 | 16:52 | NW 13 G 23 | 10.00 | Partly Cloudy | SCT045 | 36 | 19 | 50% | 28 | 30.12 | 1020.1 | ||||||
| 12 | 15:52 | NW 15 G 25 | 10.00 | Mostly Cloudy | BKN048 | 37 | 19 | 48% | 29 | 30.1 | 1019.5 | ||||||
| 12 | 14:52 | NW 20 G 30 | 10.00 | Mostly Cloudy | BKN048 | 37 | 19 | 48% | 27 | 30.11 | 1019.6 | ||||||
| 12 | 13:52 | NW 14 G 28 | 10.00 | Mostly Cloudy | BKN048 | 36 | 19 | 50% | 28 | 30.11 | 1019.9 | ||||||
| 12 | 12:52 | NW 17 G 30 | 10.00 | Mostly Cloudy | BKN044 | 34 | 18 | 35.1 | 33.1 | 52% | 24 | 30.13 | 1020.4 | ||||
| 12 | 11:52 | NW 18 G 30 | 10.00 | Overcast | OVC045 | 34 | 18 | 52% | 24 | 30.14 | 1020.8 | ||||||
| 12 | 10:52 | N 13 | 10.00 | Overcast | BKN042 OVC049 | 33.1 | 19 | 56% | 25 | 30.14 | 1020.9 | ||||||
| 12 | 09:52 | NW 13 | 10.00 | Overcast | OVC048 | 33.1 | 19 | 56% | 25 | 30.13 | 1020.6 | ||||||
| 12 | 08:52 | NW 10 | 10.00 | Overcast | OVC043 | 33.1 | 19 | 56% | 26 | 30.13 | 1020.4 | ||||||
| 12 | 07:52 | N 10 | 10.00 | Overcast | OVC043 | 33.1 | 19 | 56% | 26 | 30.12 | 1020.0 | ||||||
| 12 | 06:52 | NW 12 | 10.00 | Overcast | OVC041 | 33.1 | 19 | 36 | 33.1 | 56% | 25 | 30.1 | 1019.4 | ||||
| 12 | 05:52 | N 9 | 10.00 | Overcast | OVC044 | 33.1 | 19.9 | 58% | 26 | 30.09 | 1019.1 | ||||||
| 12 | 04:52 | N 14 | 10.00 | Overcast | OVC044 | 34 | 19.9 | 56% | 25 | 30.07 | 1018.3 | ||||||
| 12 | 03:52 | NW 15 G 25 | 10.00 | Overcast | OVC047 | 35.1 | 19 | 52% | 26 | 30.06 | 1018.1 | ||||||
| 12 | 02:52 | NW 15 G 25 | 10.00 | Overcast | OVC042 | 35.1 | 19.9 | 54% | 26 | 30.06 | 1018.1 | ||||||
| Date | Time (est) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||