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. | ||||||||||||||||
| 07 | 18:52 | SW 3 | 10.00 | Fair | CLR | 34 | 30 | 44.1 | 34 | 85% | 30.08 | 1018.9 | |||||
| 07 | 17:52 | S 6 | 10.00 | A Few Clouds | FEW250 | 37 | 30 | 76% | 33 | 30.08 | 1019.0 | ||||||
| 07 | 16:52 | S 6 | 10.00 | A Few Clouds | FEW250 | 39 | 30 | 70% | 35 | 30.06 | 1018.4 | ||||||
| 07 | 15:52 | SW 5 | 10.00 | A Few Clouds | FEW035 FEW250 | 43 | 30 | 60% | 41 | 30.05 | 1017.9 | ||||||
| 07 | 14:52 | SW 8 | 10.00 | Partly Cloudy | FEW035 SCT250 | 44.1 | 28.9 | 55% | 40 | 30.05 | 1017.8 | ||||||
| 07 | 13:52 | SW 9 | 10.00 | Mostly Cloudy | FEW035 FEW230 BKN250 | 43 | 28.9 | 58% | 38 | 30.07 | 1018.6 | ||||||
| 07 | 12:52 | S 8 | 10.00 | Mostly Cloudy | FEW030 BKN230 | 42.1 | 28 | 43 | 26.1 | 58% | 38 | 30.1 | 1019.3 | ||||
| 07 | 11:52 | SW 8 | 10.00 | Partly Cloudy | FEW025 FEW220 SCT250 | 42.1 | 30 | 62% | 38 | 30.12 | 1020.2 | ||||||
| 07 | 10:52 | SW 3 | 10.00 | Mostly Cloudy | FEW180 BKN250 | 37 | 32 | 82% | 30.15 | 1021.2 | |||||||
| 07 | 09:52 | Calm | 8.00 | Partly Cloudy | FEW180 SCT250 | 33.1 | 30.9 | 92% | 30.15 | 1021.2 | |||||||
| 07 | 08:52 | S 3 | 5.00 | Fog/Mist | FEW036 FEW220 BKN250 | 28.9 | 28 | 96% | 30.14 | 1020.8 | |||||||
| 07 | 07:52 | SW 3 | 4.00 | Fog/Mist | FEW036 SCT150 BKN220 | 26.1 | 25 | 96% | 30.13 | 1020.5 | |||||||
| 07 | 06:52 | Calm | 0.50 | Freezing Fog | BKN002 BKN007 BKN012 | 26.1 | 25 | 28.9 | 24.1 | 96% | 30.13 | 1020.4 | |||||
| 07 | 05:52 | Calm | 1.50 | Fog/Mist | BKN001 | 26.1 | 25 | 96% | 30.12 | 1020.2 | |||||||
| 07 | 04:52 | Calm | 4.00 | Fog/Mist | SCT200 | 25 | 24.1 | 96% | 30.1 | 1019.6 | |||||||
| 07 | 03:52 | Calm | 5.00 | Fog/Mist | OVC200 | 26.1 | 25 | 96% | 30.09 | 1019.0 | |||||||
| 07 | 02:52 | SW 3 | 3.00 | Fog/Mist | BKN190 | 25 | 25 | 100% | 30.08 | 1018.7 | |||||||
| 07 | 01:52 | SE 3 | 4.00 | Fog/Mist | BKN190 | 28 | 27 | 96% | 30.05 | 1017.8 | |||||||
| 07 | 00:52 | W 5 | 6.00 | Fog/Mist | FEW055 SCT190 | 28.9 | 28 | 32 | 27 | 96% | 25 | 30.07 | 1018.4 | ||||
| 06 | 23:52 | Calm | 5.00 | Fog/Mist | FEW055 | 30 | 28.9 | 96% | 30.06 | 1018.0 | |||||||
| 06 | 22:52 | Calm | 5.00 | Fog/Mist | BKN055 | 30.9 | 30 | 96% | 30.03 | 1017.3 | |||||||
| 06 | 21:52 | S 3 | 8.00 | Mostly Cloudy | BKN055 | 28.9 | 28.9 | 100% | 30.02 | 1016.9 | |||||||
| 06 | 20:52 | Calm | 7.00 | Mostly Cloudy | BKN060 | 30 | 30 | 100% | 30 | 1016.2 | |||||||
| 06 | 19:52 | SW 5 | 8.00 | Partly Cloudy | SCT055 SCT250 | 30.9 | 30 | 96% | 27 | 29.99 | 1016.0 | ||||||
| 06 | 18:52 | S 5 | 8.00 | Partly Cloudy | FEW050 SCT180 | 32 | 30.9 | 42.1 | 32 | 96% | 28 | 29.98 | 1015.7 | ||||
| 06 | 17:52 | S 5 | 10.00 | Mostly Cloudy | BKN180 BKN250 | 35.1 | 32 | 89% | 32 | 29.98 | 1015.5 | ||||||
| 06 | 16:52 | S 6 | 10.00 | Mostly Cloudy | BKN180 BKN250 | 36 | 33.1 | 89% | 32 | 29.96 | 1014.7 | ||||||
| 06 | 15:52 | SW 7 | 10.00 | Mostly Cloudy | FEW030 BKN130 BKN250 | 37.9 | 33.1 | 83% | 33 | 29.94 | 1014.1 | ||||||
| 06 | 14:52 | SW 6 | 10.00 | Mostly Cloudy | FEW030 BKN120 BKN250 | 39.9 | 33.1 | 77% | 36 | 29.91 | 1013.1 | ||||||
| 06 | 13:52 | S 5 | 10.00 | Mostly Cloudy | FEW025 BKN160 BKN250 | 41 | 33.1 | 73% | 38 | 29.91 | 1012.9 | ||||||
| 06 | 12:52 | Calm | 10.00 | Mostly Cloudy | FEW032 FEW120 BKN220 | 41 | 33.1 | 41 | 28.9 | 73% | 29.92 | 1013.4 | |||||
| 06 | 11:52 | SW 5 | 10.00 | Mostly Cloudy | FEW009 FEW032 BKN220 | 37.9 | 32 | 79% | 35 | 29.93 | 1013.6 | ||||||
| 06 | 10:52 | SW 5 | 6.00 | Fog/Mist | BKN007 | 33.1 | 30 | 89% | 29 | 29.96 | 1014.8 | ||||||
| 06 | 09:52 | Calm | 2.50 | Fog/Mist | FEW003 BKN005 | 32 | 30 | 92% | 29.97 | 1015.2 | |||||||
| 06 | 08:52 | Vrbl 6 | 2.50 | Fog/Mist | OVC006 | 30.9 | 28.9 | 92% | 26 | 29.96 | 1014.9 | ||||||
| 06 | 07:52 | Calm | 6.00 | Fog/Mist | SCT025 BKN032 BKN250 | 30 | 28 | 92% | 29.95 | 1014.5 | |||||||
| 06 | 06:52 | Calm | 7.00 | Mostly Cloudy | FEW012 BKN026 | 30.9 | 28.9 | 30.9 | 28.9 | 92% | 29.95 | 1014.5 | |||||
| 06 | 05:52 | Calm | 7.00 | Overcast | SCT012 OVC026 | 30 | 28 | 92% | 29.94 | 1014.0 | |||||||
| 06 | 04:52 | Calm | 7.00 | Overcast | SCT008 BKN012 OVC028 | 30 | 27 | 88% | 29.93 | 1013.9 | |||||||
| 06 | 03:52 | NW 3 | 7.00 | Overcast | BKN008 OVC017 | 30 | 28 | 92% | 29.94 | 1014.2 | |||||||
| 06 | 02:52 | NW 3 | 6.00 | Fog/Mist | BKN006 OVC017 | 30 | 28 | 92% | 29.95 | 1014.5 | |||||||
| 06 | 01:52 | Calm | 3.00 | Fog/Mist | BKN006 OVC017 | 30 | 28 | 92% | 29.96 | 1014.7 | |||||||
| 06 | 00:52 | Calm | 2.50 | Light Snow Fog/Mist | OVC005 | 28.9 | 28 | 30 | 28.9 | 96% | 29.96 | 1014.9 | |||||
| 05 | 23:52 | Calm | 2.00 | Light Snow Fog/Mist | BKN004 OVC008 | 30 | 28 | 92% | 29.99 | 1015.7 | |||||||
| 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 | ||||||
| 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) | |||||||||||||||