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. | ||||||||||||||||
| 27 | 12:52 | NW 6 | 11.27 | Light Rain | SCT020 BKN045 BKN120 | 23.3 | 20.6 | 85% | 76.07 | 1013.8 | 0.03 | ||||||
| 27 | 11:52 | N 7 | 11.27 | Overcast | SCT014 BKN028 OVC120 | 25 | 19.4 | 71% | 26 | 76.12 | 1014.7 | ||||||
| 27 | 10:52 | NW 11 | 11.27 | Mostly Cloudy | BKN012 BKN015 BKN055 | 23.9 | 20.6 | 82% | 24 | 76.12 | 1014.7 | ||||||
| 27 | 09:52 | NW 9 | 8.05 | Fog/Mist | BKN006 BKN012 OVC050 | 22.8 | 21.1 | 90% | 76.12 | 1014.7 | |||||||
| 27 | 08:52 | S 6 | 3.22 | Fog/Mist | BKN003 OVC008 | 21.7 | 20.6 | 94% | 76.1 | 1014.3 | |||||||
| 27 | 07:52 | S 6 | 2.41 | Fog/Mist | OVC003 | 21.1 | 20.6 | 21.1 | 20 | 97% | 76.12 | 1014.5 | 0.03 | ||||
| 27 | 06:52 | Calm | 2.41 | Fog/Mist | OVC003 | 21.1 | 20.6 | 97% | 76.12 | 1014.5 | |||||||
| 27 | 05:52 | S 6 | 9.66 | Fog/Mist | OVC004 | 20.6 | 20 | 96% | 76.12 | 1014.5 | |||||||
| 27 | 04:52 | S 6 | 12.87 | Overcast | OVC007 | 21.1 | 20 | 93% | 76.12 | 1014.6 | 0.03 | ||||||
| 27 | 03:52 | S 7 | 11.27 | Light Rain | OVC010 | 20.6 | 20 | 96% | 76.15 | 1014.8 | 0.03 | ||||||
| 27 | 02:52 | SE 7 | 12.87 | Overcast | OVC011 | 20.6 | 20 | 96% | 76.15 | 1014.9 | |||||||
| 27 | 01:52 | Calm | 12.87 | Overcast | OVC012 | 20 | 19.4 | 22.8 | 20 | 96% | 76.2 | 1015.7 | |||||
| 27 | 00:52 | S 6 | 14.48 | Overcast | BKN015 OVC120 | 20.6 | 19.4 | 93% | 76.25 | 1016.2 | |||||||
| 26 | 23:52 | Calm | 16.09 | Overcast | OVC100 | 20.6 | 20 | 96% | 76.28 | 1016.8 | |||||||
| 26 | 22:52 | SW 7 | 16.09 | Overcast | OVC120 | 21.1 | 19.4 | 90% | 76.35 | 1017.6 | |||||||
| 26 | 21:52 | S 6 | 16.09 | Mostly Cloudy | BKN100 | 21.7 | 20 | 90% | 76.35 | 1017.5 | |||||||
| 26 | 20:52 | S 6 | 16.09 | Overcast | BKN110 OVC140 | 21.7 | 19.4 | 87% | 76.33 | 1017.5 | |||||||
| 26 | 19:52 | S 7 | 16.09 | Light Rain | FEW025 SCT036 BKN140 OVC200 | 22.8 | 19.4 | 24.4 | 22.2 | 81% | 76.35 | 1017.6 | |||||
| 26 | 18:52 | S 7 | 16.09 | Overcast | FEW028 BKN032 BKN055 OVC180 | 23.3 | 18.9 | 76% | 76.35 | 1017.6 | |||||||
| 26 | 17:52 | SE 6 | 16.09 | Overcast | FEW028 OVC033 | 23.9 | 18.3 | 71% | 25 | 76.38 | 1017.9 | ||||||
| 26 | 16:52 | SE 6 | 16.09 | Mostly Cloudy | SCT032 BKN040 BKN180 | 23.9 | 18.3 | 71% | 25 | 76.38 | 1018.1 | ||||||
| 26 | 15:52 | Calm | 16.09 | Overcast | FEW020 OVC045 | 23.3 | 18.3 | 74% | 76.43 | 1018.7 | |||||||
| 26 | 14:52 | E 6 | 16.09 | Light Rain | FEW015 SCT030 OVC050 | 22.2 | 18.9 | 82% | 76.48 | 1019.4 | |||||||
| 26 | 13:52 | E 6 | 11.27 | Overcast | SCT011 OVC055 | 22.2 | 18.9 | 22.2 | 19.4 | 82% | 76.53 | 1020.2 | 0.15 | ||||
| 26 | 12:52 | E 11 | 11.27 | Overcast | FEW011 OVC055 | 21.7 | 18.9 | 84% | 76.58 | 1020.8 | |||||||
| 26 | 11:52 | E 9 | 9.66 | Light Rain Fog/Mist | SCT009 OVC055 | 21.1 | 19.4 | 90% | 76.61 | 1021.1 | 0.03 | ||||||
| 26 | 10:52 | E 11 | 9.66 | Rain Fog/Mist | SCT008 BKN075 OVC100 | 21.1 | 19.4 | 90% | 76.61 | 1021.1 | 0.03 | 0.13 | |||||
| 26 | 09:52 | Calm | 8.05 | Fog/Mist | SCT018 OVC055 | 21.1 | 20 | 93% | 76.61 | 1021.1 | 0.05 | ||||||
| 26 | 08:52 | NE 6 | 4.83 | Light Rain Fog/Mist | BKN010 BKN016 OVC065 | 20 | 19.4 | 96% | 76.58 | 1020.8 | 0.05 | ||||||
| 26 | 07:52 | Calm | 4.83 | Light Rain Fog/Mist | SCT009 OVC070 | 19.4 | 19.4 | 19.4 | 16.7 | 100% | 76.58 | 1020.6 | 0.05 | 0.05 | |||
| 26 | 06:52 | Calm | 4.83 | Light Rain Fog/Mist | SCT010 SCT055 OVC080 | 18.3 | 18.3 | 100% | 76.5 | 1019.9 | |||||||
| 26 | 05:52 | Calm | 11.27 | Mostly Cloudy | BKN100 | 17.8 | 17.8 | 100% | 76.43 | 1018.8 | |||||||
| 26 | 04:52 | Calm | 6.44 | Fog/Mist | BKN008 OVC012 | 17.2 | 17.2 | 100% | 76.4 | 1018.2 | |||||||
| 26 | 03:52 | Calm | 8.05 | Fog/Mist | BKN006 BKN010 OVC100 | 17.8 | 17.8 | 100% | 76.35 | 1017.9 | |||||||
| 26 | 02:52 | Calm | 8.05 | Fog/Mist | SCT005 OVC200 | 18.9 | 18.9 | 100% | 76.38 | 1017.8 | |||||||
| 26 | 01:52 | Calm | 8.05 | Fog/Mist | FEW005 OVC200 | 18.9 | 18.3 | 22.8 | 18.3 | 96% | 76.4 | 1018.3 | |||||
| 26 | 00:52 | Calm | 9.66 | Fog/Mist | FEW035 OVC190 | 18.9 | 18.9 | 100% | 76.43 | 1018.7 | |||||||
| 25 | 23:52 | Calm | 14.48 | Overcast | FEW035 BKN130 OVC200 | 19.4 | 19.4 | 100% | 76.45 | 1019.0 | |||||||
| 25 | 22:52 | Calm | 12.87 | Overcast | FEW035 OVC130 | 20 | 19.4 | 96% | 76.45 | 1019.0 | |||||||
| 25 | 21:52 | Calm | 16.09 | Mostly Cloudy | FEW035 BKN100 BKN200 | 21.1 | 20 | 93% | 76.43 | 1018.9 | |||||||
| 25 | 20:52 | E 7 | 16.09 | Mostly Cloudy | FEW035 BKN100 BKN200 | 21.7 | 20 | 90% | 76.4 | 1018.5 | |||||||
| 25 | 19:52 | E 6 | 16.09 | Overcast | FEW035 BKN100 OVC200 | 22.8 | 20 | 25 | 22.8 | 84% | 76.38 | 1018.0 | |||||
| 25 | 18:52 | E 7 | 16.09 | Mostly Cloudy | FEW034 BKN080 BKN200 | 23.3 | 19.4 | 79% | 76.35 | 1017.8 | |||||||
| 25 | 17:52 | NE 9 | 16.09 | Mostly Cloudy | FEW028 BKN100 BKN200 | 23.9 | 18.9 | 74% | 25 | 76.35 | 1017.7 | ||||||
| 25 | 16:52 | NE 9 | 16.09 | Mostly Cloudy | FEW022 SCT060 BKN120 BKN200 | 24.4 | 18.9 | 72% | 25 | 76.35 | 1017.7 | ||||||
| 25 | 15:52 | N 13 | 16.09 | Overcast | SCT017 BKN055 OVC200 | 23.9 | 18.9 | 74% | 25 | 76.38 | 1018.1 | ||||||
| 25 | 14:52 | NW 9 | 16.09 | Overcast | BKN012 BKN070 OVC200 | 23.9 | 20 | 79% | 24 | 76.4 | 1018.4 | ||||||
| 25 | 13:52 | N 7 | 12.87 | Overcast | SCT009 SCT012 BKN070 OVC130 | 22.8 | 20 | 22.8 | 18.3 | 84% | 76.45 | 1019.0 | 0.1 | ||||
| 25 | 12:52 | Vrbl 9 | 11.27 | Overcast | FEW003 BKN006 OVC012 | 21.7 | 20 | 90% | 76.5 | 1019.6 | 0.08 | ||||||
| 25 | 11:52 | W 7 | 11.27 | Overcast | OVC007 | 21.7 | 20 | 90% | 76.5 | 1019.7 | |||||||
| 25 | 10:52 | W 7 | 4.02 | Fog/Mist | OVC005 | 20.6 | 19.4 | 93% | 76.5 | 1019.8 | 0.03 | ||||||
| 25 | 09:52 | S 9 | 1.21 | Light Rain Fog/Mist | OVC003 | 19.4 | 18.9 | 97% | 76.48 | 1019.4 | |||||||
| 25 | 08:52 | S 7 | 0.80 | Light Rain Fog/Mist | OVC003 | 18.3 | 18.3 | 100% | 76.45 | 1019.1 | 0.03 | ||||||
| 25 | 07:52 | SW 7 | 0.80 | Fog/Mist | OVC003 | 18.3 | 17.8 | 18.3 | 16.7 | 97% | 76.45 | 1019.2 | 0.08 | ||||
| 25 | 06:52 | Calm | 0.80 | Fog/Mist | OVC003 | 17.8 | 17.2 | 96% | 76.45 | 1019.2 | |||||||
| 25 | 05:52 | Calm | 0.80 | Fog | VV003 | 17.2 | 17.2 | 100% | 76.43 | 1018.6 | |||||||
| 25 | 04:52 | Calm | 0.80 | Light Rain Fog | VV002 | 17.2 | 17.2 | 100% | 76.43 | 1018.6 | 0.03 | 0.08 | |||||
| 25 | 03:52 | S 7 | 0.80 | Light Rain Fog | VV002 | 17.2 | 16.7 | 97% | 76.43 | 1018.7 | 0.05 | ||||||
| 25 | 02:52 | Calm | 1.61 | Light Rain Fog/Mist | OVC002 | 16.7 | 16.7 | 100% | 76.43 | 1018.8 | |||||||
| 25 | 01:52 | S 6 | 11.27 | Overcast | BKN004 OVC016 | 16.7 | 16.1 | 17.2 | 16.7 | 96% | 76.48 | 1019.4 | |||||
| 25 | 00:52 | SE 7 | 11.27 | Overcast | BKN004 OVC009 | 16.7 | 16.1 | 96% | 76.53 | 1020.1 | |||||||
| 24 | 23:52 | SE 7 | 11.27 | Overcast | BKN005 BKN010 OVC024 | 16.7 | 16.1 | 96% | 76.56 | 1020.4 | |||||||
| 24 | 22:52 | E 9 | 1.61 | Fog/Mist | BKN005 OVC024 | 16.7 | 16.1 | 96% | 76.61 | 1021.1 | |||||||
| 24 | 21:52 | E 9 | 1.61 | Fog/Mist | BKN003 OVC006 | 16.7 | 16.1 | 96% | 76.63 | 1021.4 | |||||||
| 24 | 20:52 | SE 6 | 2.41 | Fog/Mist | BKN005 OVC009 | 17.2 | 16.7 | 97% | 76.61 | 1021.2 | |||||||
| 24 | 19:52 | SE 9 | 8.05 | Fog/Mist | SCT007 OVC012 | 17.2 | 16.1 | 17.8 | 16.7 | 93% | 76.61 | 1021.3 | |||||
| 24 | 18:52 | E 6 | 12.87 | Overcast | OVC012 | 17.8 | 15.6 | 87% | 76.58 | 1021.0 | |||||||
| 24 | 17:52 | E 11 | 16.09 | Overcast | OVC012 | 17.8 | 15.6 | 87% | 76.58 | 1020.7 | |||||||
| 24 | 16:52 | NE 9 | 16.09 | Overcast | OVC012 | 17.8 | 15 | 84% | 76.63 | 1021.6 | |||||||
| 24 | 15:52 | E 6 | 16.09 | Overcast | OVC012 | 17.8 | 15 | 84% | 76.66 | 1021.9 | |||||||
| 24 | 13:52 | Calm | 16.09 | Overcast | OVC009 | 16.7 | 13.9 | 16.7 | 11.7 | 84% | 76.76 | 1023.3 | |||||
| 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) | |||||||||||||||