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. | ||||||||||||||||
| 05 | 22:52 | E 3 | 1.50 | Light Snow Fog/Mist | OVC004 | 28.9 | 28 | 96% | 30 | 1016.2 | |||||||
| 05 | 21:52 | NE 5 | 4.00 | Fog/Mist | BKN006 OVC014 | 28.9 | 28 | 96% | 25 | 30.01 | 1016.7 | ||||||
| 05 | 20:52 | NE 3 | 4.00 | Fog/Mist | BKN008 OVC014 | 28.9 | 28 | 96% | 30.04 | 1017.4 | |||||||
| 05 | 19:52 | Calm | 8.00 | Overcast | FEW008 OVC010 | 30 | 27 | 88% | 30.04 | 1017.7 | |||||||
| 05 | 18:52 | NE 3 | 8.00 | Overcast | OVC011 | 28.9 | 26.1 | 30 | 28.9 | 89% | 30.04 | 1017.6 | |||||
| 05 | 17:52 | E 5 | 10.00 | Overcast | FEW010 OVC015 | 28.9 | 25 | 85% | 25 | 30.05 | 1017.9 | ||||||
| 05 | 16:52 | NE 3 | 10.00 | Overcast | OVC016 | 30 | 25 | 82% | 30.07 | 1018.4 | |||||||
| 05 | 15:52 | E 5 | 10.00 | Overcast | BKN019 OVC022 | 30 | 25 | 82% | 26 | 30.07 | 1018.6 | ||||||
| 05 | 14:52 | NE 5 | 9.00 | Overcast | SCT012 OVC022 | 30 | 25 | 82% | 26 | 30.08 | 1018.9 | ||||||
| 05 | 13:52 | E 3 | 5.00 | Fog/Mist | BKN014 OVC022 | 30 | 26.1 | 85% | 30.11 | 1019.7 | |||||||
| 05 | 12:52 | NE 5 | 3.00 | Fog/Mist | BKN012 BKN017 OVC024 | 28.9 | 25 | 30 | 27 | 85% | 25 | 30.13 | 1020.5 | 0.05 | |||
| 05 | 11:52 | E 5 | 1.50 | Light Snow Fog/Mist | SCT009 BKN023 OVC029 | 28.9 | 26.1 | 89% | 25 | 30.17 | 1021.8 | 0.01 | |||||
| 05 | 10:52 | Calm | 1.50 | Light Snow Fog/Mist | BKN010 OVC022 | 28 | 25 | 88% | 30.22 | 1023.5 | 0.01 | ||||||
| 05 | 09:52 | Calm | 1.50 | Light Snow Fog/Mist | SCT008 SCT014 OVC035 | 28 | 24.1 | 85% | 30.24 | 1024.5 | 0.01 | 0.03 | |||||
| 05 | 08:52 | E 5 | 1.75 | Light Snow Fog/Mist | FEW010 BKN029 OVC039 | 27 | 25 | 92% | 22 | 30.26 | 1025.0 | 0.01 | |||||
| 05 | 07:52 | E 3 | 2.00 | Light Snow Fog/Mist | BKN029 OVC038 | 27 | 23 | 85% | 30.28 | 1025.7 | 0.01 | ||||||
| 05 | 06:52 | E 7 | 2.00 | Light Snow | OVC029 | 27 | 21.9 | 30.9 | 27 | 81% | 20 | 30.27 | 1025.3 | ||||
| 05 | 05:52 | E 5 | 9.00 | Light Snow | OVC036 | 28.9 | 16 | 58% | 25 | 30.24 | 1024.5 | ||||||
| 05 | 04:52 | SE 6 | 8.00 | Light Snow | OVC036 | 28.9 | 16 | 58% | 23 | 30.27 | 1025.3 | ||||||
| 05 | 03:52 | E 3 | 10.00 | Overcast | BKN055 OVC070 | 30 | 10 | 43% | 30.28 | 1025.5 | |||||||
| 05 | 02:52 | NE 3 | 10.00 | Overcast | OVC065 | 30 | 9 | 41% | 30.28 | 1025.6 | |||||||
| 05 | 01:52 | NE 9 | 10.00 | Overcast | BKN070 OVC085 | 30.9 | 10.9 | 43% | 24 | 30.26 | 1024.9 | ||||||
| 05 | 00:52 | N 9 | 10.00 | Overcast | BKN070 OVC090 | 30.9 | 10.9 | 35.1 | 30.9 | 43% | 24 | 30.25 | 1024.7 | ||||
| 04 | 23:52 | N 9 | 10.00 | Overcast | OVC100 | 32 | 10.9 | 41% | 25 | 30.29 | 1025.8 | ||||||
| 04 | 22:52 | N 10 | 10.00 | Overcast | BKN120 OVC200 | 33.1 | 12.9 | 43% | 26 | 30.28 | 1025.5 | ||||||
| 04 | 21:52 | NW 7 | 10.00 | Overcast | BKN140 OVC200 | 34 | 17.1 | 50% | 29 | 30.28 | 1025.5 | ||||||
| 04 | 20:52 | NW 7 | 10.00 | Mostly Cloudy | BKN140 BKN200 | 33.1 | 19 | 56% | 28 | 30.27 | 1025.4 | ||||||
| 04 | 19:52 | W 7 | 10.00 | Overcast | OVC140 | 34 | 19 | 54% | 29 | 30.26 | 1025.0 | ||||||
| 04 | 18:52 | NW 9 | 10.00 | Overcast | FEW100 OVC160 | 34 | 19 | 43 | 34 | 54% | 27 | 30.22 | 1023.6 | ||||
| 04 | 17:52 | NW 7 | 10.00 | Mostly Cloudy | FEW100 BKN160 | 35.1 | 19.9 | 54% | 30 | 30.21 | 1023.2 | ||||||
| 04 | 16:52 | NW 8 | 10.00 | Mostly Cloudy | FEW100 SCT150 BKN250 | 37 | 21 | 52% | 32 | 30.2 | 1022.8 | ||||||
| 04 | 15:52 | NW 18 G 26 | 10.00 | Mostly Cloudy | FEW048 SCT120 BKN200 | 39 | 21 | 48% | 30 | 30.17 | 1021.8 | ||||||
| 04 | 14:52 | NW 17 G 28 | 10.00 | Mostly Cloudy | FEW048 FEW120 BKN200 | 42.1 | 23 | 47% | 34 | 30.17 | 1021.9 | ||||||
| 04 | 13:52 | NW 21 G 32 | 10.00 | Mostly Cloudy and Breezy | FEW050 BKN160 BKN250 | 43 | 25 | 49% | 35 | 30.15 | 1021.1 | ||||||
| 04 | 12:52 | NW 18 G 32 | 10.00 | Mostly Cloudy | FEW044 BKN160 BKN250 | 42.1 | 25 | 43 | 23 | 51% | 34 | 30.13 | 1020.6 | ||||
| 04 | 11:52 | NW 12 G 23 | 10.00 | Mostly Cloudy | SCT160 BKN250 | 43 | 25 | 49% | 37 | 30.14 | 1020.7 | ||||||
| 04 | 09:52 | W 3 | 10.00 | Mostly Cloudy | BKN110 BKN250 | 37.9 | 27 | 65% | 30.13 | 1020.7 | |||||||
| 04 | 08:52 | Calm | 10.00 | Mostly Cloudy | BKN100 BKN250 | 33.1 | 28 | 82% | 30.12 | 1020.1 | |||||||
| 04 | 07:52 | Calm | 10.00 | Mostly Cloudy | BKN110 BKN250 | 27 | 25 | 92% | 30.11 | 1019.7 | |||||||
| 04 | 06:52 | NW 3 | 10.00 | Mostly Cloudy | SCT090 BKN250 | 24.1 | 21.9 | 27 | 21 | 91% | 30.08 | 1018.9 | |||||
| 04 | 05:52 | Calm | 10.00 | A Few Clouds | FEW100 | 23 | 21 | 92% | 30.06 | 1018.1 | |||||||
| 04 | 04:52 | Calm | 10.00 | A Few Clouds | FEW100 | 23 | 21.9 | 96% | 30.08 | 1018.8 | |||||||
| 04 | 03:52 | SE 5 | 10.00 | Fair | CLR | 21.9 | 21 | 96% | 16 | 30.08 | 1018.8 | ||||||
| 04 | 02:52 | Calm | 10.00 | Fair | CLR | 24.1 | 23 | 96% | 30.1 | 1019.3 | |||||||
| 04 | 01:52 | NW 3 | 10.00 | Fair | CLR | 27 | 24.1 | 89% | 30.09 | 1019.0 | |||||||
| 04 | 00:52 | Calm | 10.00 | A Few Clouds | FEW200 | 25 | 23 | 32 | 25 | 92% | 30.09 | 1019.0 | |||||
| 03 | 23:52 | Calm | 10.00 | Partly Cloudy | SCT200 | 26.1 | 24.1 | 92% | 30.1 | 1019.6 | |||||||
| 03 | 22:52 | Calm | 10.00 | Partly Cloudy | SCT200 | 30 | 26.1 | 85% | 30.11 | 1019.6 | |||||||
| 03 | 21:52 | Calm | 10.00 | Partly Cloudy | SCT200 | 27 | 24.1 | 89% | 30.11 | 1019.9 | |||||||
| 03 | 20:52 | Calm | 10.00 | Fair | CLR | 28.9 | 25 | 85% | 30.11 | 1019.8 | |||||||
| 03 | 19:52 | SE 3 | 10.00 | Fair | CLR | 28.9 | 25 | 85% | 30.11 | 1019.8 | |||||||
| 03 | 18:52 | Calm | 10.00 | Fair | CLR | 30.9 | 25 | 44.1 | 30 | 79% | 30.1 | 1019.7 | |||||
| 03 | 17:52 | Calm | 10.00 | Fair | CLR | 36 | 26.1 | 67% | 30.09 | 1019.2 | |||||||
| 03 | 16:52 | Calm | 10.00 | A Few Clouds | FEW250 | 36 | 26.1 | 67% | 30.08 | 1018.7 | |||||||
| 03 | 15:52 | NW 5 | 10.00 | Fair | CLR | 43 | 25 | 49% | 41 | 30.07 | 1018.5 | ||||||
| 03 | 14:52 | Calm | 10.00 | A Few Clouds | FEW060 | 43 | 24.1 | 47% | 30.08 | 1018.7 | |||||||
| 03 | 13:52 | W 9 | 10.00 | A Few Clouds | FEW039 FEW250 | 42.1 | 24.1 | 49% | 37 | 30.07 | 1018.5 | ||||||
| 03 | 12:52 | N 5 | 10.00 | A Few Clouds | FEW035 FEW250 | 42.1 | 25 | 43 | 30 | 51% | 40 | 30.09 | 1019.1 | ||||
| 03 | 11:52 | NW 7 | 10.00 | A Few Clouds | FEW035 FEW250 | 42.1 | 25 | 51% | 38 | 30.11 | 1019.8 | ||||||
| 03 | 10:52 | NW 10 | 10.00 | A Few Clouds | FEW035 FEW250 | 41 | 24.1 | 51% | 35 | 30.14 | 1020.8 | ||||||
| 03 | 09:52 | NW 10 | 10.00 | A Few Clouds | FEW032 FEW250 | 39 | 24.1 | 55% | 33 | 30.13 | 1020.3 | ||||||
| 03 | 08:52 | NW 9 | 10.00 | Partly Cloudy | FEW032 SCT250 | 36 | 21.9 | 57% | 30 | 30.12 | 1020.1 | ||||||
| 03 | 07:52 | NW 3 | 10.00 | Mostly Cloudy | FEW032 BKN250 | 32 | 21.9 | 66% | 30.1 | 1019.6 | |||||||
| 03 | 06:52 | NW 7 | 10.00 | A Few Clouds | FEW032 FEW250 | 32 | 21 | 35.1 | 30.9 | 64% | 26 | 30.07 | 1018.4 | ||||
| 03 | 05:52 | N 6 G 17 | 10.00 | Fair | CLR | 32 | 19.9 | 61% | 27 | 30.04 | 1017.3 | ||||||
| 03 | 04:52 | NW 10 | 10.00 | Fair | CLR | 33.1 | 21 | 61% | 26 | 30.01 | 1016.2 | ||||||
| 03 | 03:52 | NW 9 | 10.00 | A Few Clouds | FEW040 | 33.1 | 21 | 61% | 26 | 30.02 | 1016.9 | ||||||
| 03 | 02:52 | NW 8 | 10.00 | Fair | CLR | 33.1 | 21.9 | 64% | 27 | 30.01 | 1016.5 | ||||||
| 03 | 01:52 | NW 8 | 10.00 | Fair | CLR | 33.1 | 23 | 66% | 27 | 30 | 1015.9 | ||||||
| 03 | 00:52 | N 7 | 10.00 | Overcast | OVC034 | 35.1 | 25 | 39.9 | 35.1 | 67% | 30 | 29.97 | 1015.1 | ||||
| 02 | 23:52 | NW 15 | 10.00 | Overcast | OVC034 | 36 | 26.1 | 67% | 27 | 29.94 | 1013.9 | ||||||
| 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) | |||||||||||||||