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. | ||||||||||||||||
| 05 | 15:52 | NW 22 G 35 | 16.09 | Mostly Cloudy | FEW030 SCT110 BKN220 | 16.7 | 10 | 65% | 75.79 | 1010.4 | |||||||
| 05 | 14:52 | NW 17 | 16.09 | Mostly Cloudy | FEW012 SCT028 BKN044 BKN130 | 15 | 11.1 | 78% | 75.84 | 1011.0 | 0.03 | ||||||
| 05 | 13:52 | NW 20 | 12.87 | Light Rain | FEW009 BKN020 BKN036 OVC130 | 14.4 | 12.2 | 22.2 | 14.4 | 87% | 75.84 | 1010.9 | 0.28 | 1.52 | |||
| 05 | 12:52 | Calm | 6.44 | Rain Fog/Mist | FEW010 SCT031 SCT049 OVC130 | 16.1 | 15 | 93% | 75.87 | 1011.4 | 0.15 | ||||||
| 05 | 11:52 | S 7 | 9.66 | Light Rain Fog/Mist | FEW017 BKN034 OVC070 | 15.6 | 14.4 | 93% | 75.87 | 1011.3 | 0.89 | ||||||
| 05 | 10:52 | W 26 G 54 | 4.83 | Heavy Rain Fog/Mist | FEW017 BKN025 OVC045 | 17.2 | 15 | 87% | 75.92 | 1011.8 | 0.2 | 0.2 | |||||
| 05 | 09:52 | SW 19 G 35 | 16.09 | Light Rain | FEW025 SCT085 SCT120 BKN150 OVC220 | 21.7 | 16.1 | 71% | 75.82 | 1010.5 | |||||||
| 05 | 08:52 | S 31 G 57 | 16.09 | Mostly Cloudy | FEW025 SCT110 BKN160 BKN250 | 21.7 | 16.1 | 71% | 75.79 | 1010.1 | |||||||
| 05 | 07:52 | S 30 G 52 | 16.09 | Mostly Cloudy | FEW030 SCT110 BKN180 BKN250 | 21.1 | 15.6 | 23.3 | 20.6 | 71% | 75.82 | 1010.5 | |||||
| 05 | 06:52 | S 22 G 46 | 16.09 | Mostly Cloudy | FEW110 SCT180 BKN250 | 20.6 | 15 | 70% | 75.82 | 1010.5 | |||||||
| 05 | 05:52 | S 31 G 43 | 16.09 | Mostly Cloudy | BKN160 | 21.1 | 14.4 | 66% | 75.84 | 1010.9 | |||||||
| 05 | 04:52 | S 28 G 50 | 16.09 | Mostly Cloudy | BKN160 | 22.2 | 14.4 | 61% | 75.87 | 1011.0 | |||||||
| 05 | 03:52 | S 30 G 41 | 16.09 | Mostly Cloudy | BKN160 | 22.8 | 13.9 | 57% | 75.87 | 1011.2 | |||||||
| 05 | 02:52 | S 24 G 37 | 16.09 | Mostly Cloudy | BKN160 | 22.8 | 14.4 | 59% | 75.95 | 1012.0 | |||||||
| 05 | 01:52 | S 30 G 44 | 16.09 | Mostly Cloudy | BKN140 | 23.3 | 14.4 | 26.7 | 23.3 | 57% | 75.97 | 1012.6 | |||||
| 05 | 00:52 | S 24 G 35 | 16.09 | Partly Cloudy | SCT140 SCT200 | 23.3 | 14.4 | 57% | 76.05 | 1013.3 | |||||||
| 04 | 23:52 | S 20 G 41 | 16.09 | A Few Clouds | FEW120 FEW180 | 24.4 | 14.4 | 54% | 26 | 76.1 | 1014.1 | ||||||
| 04 | 22:52 | S 22 G 48 | 16.09 | A Few Clouds | FEW180 | 24.4 | 14.4 | 54% | 26 | 76.12 | 1014.6 | ||||||
| 04 | 21:52 | S 19 G 35 | 16.09 | Fair | CLR | 25.6 | 13.9 | 48% | 26 | 76.15 | 1014.9 | ||||||
| 04 | 20:52 | S 17 G 35 | 16.09 | Fair | CLR | 26.1 | 12.8 | 44% | 26 | 76.12 | 1014.6 | ||||||
| 04 | 19:52 | S 20 | 16.09 | A Few Clouds | FEW070 FEW250 | 26.7 | 12.8 | 30.6 | 26.1 | 42% | 27 | 76.12 | 1014.6 | ||||
| 04 | 18:52 | S 20 G 35 | 16.09 | Partly Cloudy | FEW070 SCT250 | 27.8 | 12.2 | 38% | 27 | 76.15 | 1014.8 | ||||||
| 04 | 17:52 | S 28 G 39 | 16.09 | Partly Cloudy | FEW080 SCT250 | 28.9 | 12.8 | 37% | 28 | 76.15 | 1015.0 | ||||||
| 04 | 16:52 | S 24 G 43 | 16.09 | Partly Cloudy | FEW080 SCT250 | 30.6 | 13.3 | 35% | 30 | 76.17 | 1015.4 | ||||||
| 04 | 15:52 | S 17 G 31 | 16.09 | Partly Cloudy | FEW070 SCT250 | 30.6 | 14.4 | 37% | 30 | 76.25 | 1016.3 | ||||||
| 04 | 14:52 | S 19 | 16.09 | Mostly Cloudy | FEW065 SCT100 BKN250 | 30 | 15 | 40% | 30 | 76.33 | 1017.4 | ||||||
| 04 | 13:52 | Vrbl 9 | 16.09 | Partly Cloudy | FEW070 FEW100 SCT250 | 29.4 | 15 | 29.4 | 20 | 42% | 29 | 76.4 | 1018.3 | ||||
| 04 | 12:52 | S 13 | 16.09 | A Few Clouds | FEW100 FEW250 | 28.3 | 15 | 44% | 28 | 76.45 | 1019.1 | ||||||
| 04 | 11:52 | Vrbl 9 | 16.09 | A Few Clouds | FEW100 FEW250 | 26.7 | 16.1 | 52% | 27 | 76.53 | 1020.0 | ||||||
| 04 | 10:52 | S 13 | 16.09 | A Few Clouds | FEW090 FEW250 | 25 | 15.6 | 56% | 26 | 76.58 | 1020.5 | ||||||
| 04 | 09:52 | S 13 | 16.09 | Partly Cloudy | FEW090 SCT120 SCT250 | 23.9 | 16.1 | 62% | 25 | 76.58 | 1020.8 | ||||||
| 04 | 08:52 | S 15 | 16.09 | Mostly Cloudy | SCT090 SCT110 BKN250 | 21.7 | 15.6 | 68% | 76.61 | 1021.0 | |||||||
| 04 | 07:52 | S 9 | 16.09 | Mostly Cloudy | BKN080 BKN250 | 20 | 15.6 | 21.1 | 19.4 | 76% | 76.61 | 1020.9 | |||||
| 04 | 06:52 | S 11 | 16.09 | Mostly Cloudy | BKN085 BKN100 BKN250 | 19.4 | 15 | 76% | 76.56 | 1020.5 | |||||||
| 04 | 05:52 | S 11 | 16.09 | Mostly Cloudy | BKN090 BKN250 | 20 | 15 | 73% | 76.53 | 1020.1 | |||||||
| 04 | 04:52 | S 17 | 16.09 | Light Rain | BKN090 BKN250 | 20.6 | 14.4 | 68% | 76.56 | 1020.2 | |||||||
| 04 | 03:52 | S 13 | 16.09 | Overcast | OVC085 | 20.6 | 13.9 | 66% | 76.56 | 1020.4 | |||||||
| 04 | 02:52 | S 13 | 16.09 | Mostly Cloudy | FEW080 BKN130 BKN250 | 21.1 | 13.3 | 61% | 76.56 | 1020.5 | |||||||
| 04 | 01:52 | S 15 | 16.09 | Mostly Cloudy | FEW095 BKN250 | 21.1 | 13.3 | 25 | 21.1 | 61% | 76.58 | 1020.6 | |||||
| 04 | 00:52 | S 15 | 16.09 | Partly Cloudy | FEW095 SCT250 | 22.2 | 13.3 | 57% | 76.56 | 1020.5 | |||||||
| 03 | 23:52 | S 19 | 16.09 | Partly Cloudy | FEW110 SCT250 | 22.8 | 13.3 | 55% | 76.56 | 1020.3 | |||||||
| 03 | 22:52 | S 13 | 16.09 | Mostly Cloudy | BKN110 BKN250 | 23.3 | 13.9 | 56% | 76.56 | 1020.5 | |||||||
| 03 | 21:52 | S 15 | 16.09 | Mostly Cloudy | BKN100 BKN250 | 24.4 | 13.9 | 52% | 26 | 76.56 | 1020.5 | ||||||
| 03 | 20:52 | S 17 | 16.09 | Mostly Cloudy | FEW075 BKN120 BKN250 | 25 | 13.9 | 50% | 26 | 76.53 | 1020.1 | ||||||
| 03 | 19:52 | S 13 | 16.09 | Mostly Cloudy | SCT075 BKN120 BKN250 | 25 | 13.9 | 28.9 | 22.8 | 50% | 26 | 76.5 | 1019.7 | ||||
| 03 | 18:52 | S 13 | 16.09 | Mostly Cloudy | SCT075 BKN120 BKN250 | 26.7 | 13.9 | 45% | 27 | 76.5 | 1019.8 | ||||||
| 03 | 17:52 | SW 20 G 35 | 16.09 | Mostly Cloudy | SCT075 SCT130 BKN250 | 27.8 | 13.3 | 41% | 28 | 76.48 | 1019.6 | ||||||
| 03 | 16:52 | S 15 G 35 | 16.09 | Mostly Cloudy | FEW060 SCT100 BKN250 | 28.3 | 13.9 | 41% | 28 | 76.5 | 1019.8 | ||||||
| 03 | 15:52 | S 19 G 39 | 16.09 | Mostly Cloudy | FEW060 SCT150 BKN250 | 27.8 | 13.9 | 43% | 28 | 76.56 | 1020.5 | ||||||
| 03 | 14:52 | S 22 G 37 | 16.09 | Mostly Cloudy | FEW060 SCT150 BKN250 | 26.1 | 15 | 50% | 27 | 76.61 | 1021.2 | ||||||
| 03 | 12:52 | SW 11 | 16.09 | Overcast | OVC012 | 17.8 | 13.9 | 78% | 76.78 | 1023.7 | |||||||
| 03 | 11:52 | S 17 | 16.09 | Overcast | OVC007 | 14.4 | 12.2 | 87% | 76.86 | 1024.7 | |||||||
| 03 | 10:52 | S 17 | 11.27 | Overcast | OVC006 | 12.8 | 11.7 | 93% | 76.91 | 1025.3 | |||||||
| 03 | 09:52 | S 15 | 8.05 | Fog/Mist | OVC004 | 11.7 | 10.6 | 93% | 76.91 | 1025.5 | |||||||
| 03 | 08:52 | S 9 | 0.80 | Fog/Mist | OVC002 | 10 | 9.4 | 96% | 9 | 76.96 | 1026.2 | ||||||
| 03 | 07:52 | S 7 | 0.80 | Fog/Mist | OVC003 | 9.4 | 8.9 | 9.4 | 8.3 | 97% | 9 | 76.96 | 1026.2 | ||||
| 03 | 04:52 | E 11 | 1.61 | Overcast | BKN003 OVC009 | 8.9 | 8.3 | 96% | 7 | 76.94 | 1025.8 | ||||||
| 03 | 01:52 | E 9 | 1.61 | Light Drizzle Fog/Mist | OVC004 | 8.3 | 8.3 | 10.6 | 8.3 | 100% | 7 | 77.04 | 1027.0 | ||||
| 03 | 00:52 | E 11 | 1.61 | Light Drizzle Fog/Mist | OVC004 | 8.9 | 8.3 | 96% | 7 | 77.04 | 1027.2 | ||||||
| 02 | 23:52 | E 7 | 1.61 | Light Drizzle Fog/Mist | OVC004 | 8.9 | 8.3 | 96% | 8 | 77.06 | 1027.4 | ||||||
| 02 | 22:52 | E 9 | 1.61 | Light Drizzle Fog/Mist | OVC004 | 9.4 | 8.9 | 97% | 8 | 77.01 | 1026.9 | ||||||
| 02 | 21:52 | E 7 | 6.44 | Fog/Mist | OVC005 | 9.4 | 8.9 | 97% | 9 | 77.01 | 1026.9 | ||||||
| 02 | 20:52 | E 11 | 14.48 | Overcast | OVC006 | 10 | 8.9 | 93% | 9 | 76.99 | 1026.2 | ||||||
| 02 | 19:52 | E 17 | 16.09 | Overcast | OVC007 | 10.6 | 9.4 | 13.9 | 10.6 | 92% | 76.94 | 1025.6 | |||||
| 02 | 18:52 | E 13 | 16.09 | Overcast | OVC010 | 11.7 | 10 | 89% | 76.91 | 1025.4 | |||||||
| 02 | 17:52 | E 13 | 16.09 | Overcast | OVC010 | 12.2 | 10 | 87% | 76.91 | 1025.4 | |||||||
| 02 | 16:52 | E 17 | 16.09 | Overcast | OVC010 | 12.8 | 10.6 | 87% | 76.89 | 1025.0 | |||||||
| 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) | |||||||||||||||