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. | ||||||||||||||||
| 20 | 10:52 | NW 17 | 16.09 | Overcast | SCT036 OVC048 | 6.1 | 2.2 | 76% | 3 | 76.84 | 1024.3 | ||||||
| 20 | 09:52 | NW 22 G 33 | 16.09 | Mostly Cloudy | FEW040 SCT055 BKN090 | 11.1 | -0.6 | 45% | 76.68 | 1022.4 | |||||||
| 20 | 08:52 | NW 19 | 16.09 | A Few Clouds | FEW065 FEW090 | 9.4 | 1.1 | 56% | 7 | 76.68 | 1022.4 | ||||||
| 20 | 07:52 | NW 24 G 37 | 16.09 | Light Rain | BKN042 BKN065 | 8.3 | 1.7 | 8.9 | 3.9 | 63% | 5 | 76.66 | 1021.9 | ||||
| 20 | 06:52 | W 13 | 16.09 | Mostly Cloudy | SCT080 BKN095 | 8.3 | 1.1 | 61% | 6 | 76.61 | 1021.3 | ||||||
| 20 | 05:52 | Calm | 16.09 | Overcast | BKN080 OVC095 | 7.8 | 1.1 | 63% | 76.56 | 1020.6 | |||||||
| 20 | 04:52 | W 17 | 16.09 | Overcast | OVC085 | 7.8 | 1.1 | 63% | 5 | 76.56 | 1020.5 | ||||||
| 20 | 03:52 | Calm | 16.09 | Overcast | FEW070 OVC085 | 5.6 | 2.8 | 82% | 76.56 | 1020.7 | |||||||
| 20 | 02:52 | SE 6 | 16.09 | Overcast | FEW070 BKN090 OVC100 | 4.4 | 1.7 | 83% | 76.53 | 1020.3 | |||||||
| 20 | 01:52 | Calm | 16.09 | Overcast | OVC090 | 5 | 1.7 | 12.2 | 2.8 | 79% | 76.56 | 1020.5 | |||||
| 20 | 00:52 | Calm | 16.09 | Mostly Cloudy | BKN100 | 3.9 | 0.6 | 79% | 76.56 | 1020.7 | |||||||
| 19 | 23:52 | Calm | 16.09 | Fair | CLR | 3.3 | -0.6 | 76% | 76.56 | 1020.6 | |||||||
| 19 | 22:52 | Calm | 16.09 | Fair | CLR | 3.9 | -1.1 | 70% | 76.53 | 1020.3 | |||||||
| 19 | 21:52 | W 6 | 16.09 | Fair | CLR | 7.2 | -3.3 | 48% | 76.5 | 1019.9 | |||||||
| 19 | 20:52 | NW 7 | 16.09 | A Few Clouds | FEW250 | 10 | -5 | 35% | 9 | 76.43 | 1019.0 | ||||||
| 19 | 19:52 | NW 20 | 16.09 | A Few Clouds | FEW090 FEW250 | 12.2 | -6.7 | 15.6 | 12.2 | 26% | 76.35 | 1018.0 | |||||
| 19 | 18:52 | NW 26 G 56 | 16.09 | A Few Clouds | FEW090 FEW250 | 13.9 | -6.1 | 25% | 76.3 | 1017.2 | |||||||
| 19 | 17:52 | NW 33 G 48 | 16.09 | Partly Cloudy and Breezy | FEW090 SCT250 | 15 | -6.1 | 23% | 76.23 | 1016.2 | |||||||
| 19 | 16:52 | NW 31 G 54 | 16.09 | Partly Cloudy | SCT080 SCT250 | 15 | -4.4 | 26% | 76.17 | 1015.3 | |||||||
| 19 | 15:52 | W 31 G 50 | 16.09 | Mostly Cloudy | SCT065 BKN250 | 15 | -0.6 | 35% | 76.15 | 1015.2 | |||||||
| 19 | 14:52 | NW 43 G 56 | 16.09 | Mostly Cloudy and Windy | SCT055 BKN250 | 13.9 | 0.6 | 41% | 76.15 | 1015.3 | |||||||
| 19 | 13:52 | NW 20 | 16.09 | Mostly Cloudy | FEW025 BKN034 BKN120 BKN250 | 12.8 | 6.1 | 12.8 | 8.3 | 64% | 76.17 | 1015.5 | 0.51 | ||||
| 19 | 12:52 | NW 22 G 44 | 16.09 | Light Rain | FEW017 SCT022 BKN047 | 8.9 | 6.7 | 86% | 6 | 76.23 | 1016.0 | 0.05 | |||||
| 19 | 11:52 | NW 13 | 16.09 | Overcast | FEW014 BKN047 BKN075 OVC130 | 10 | 7.2 | 83% | 8 | 76.17 | 1015.4 | 0.03 | |||||
| 19 | 10:52 | NW 13 | 16.09 | Light Rain | FEW017 BKN060 OVC070 | 9.4 | 7.2 | 86% | 8 | 76.17 | 1015.6 | 0.1 | 0.43 | ||||
| 19 | 09:52 | NW 19 | 9.66 | Light Rain Fog/Mist | SCT017 OVC060 | 9.4 | 7.8 | 90% | 7 | 76.1 | 1014.5 | 0.2 | |||||
| 19 | 08:52 | NW 20 G 31 | 11.27 | Light Rain | FEW019 SCT026 OVC055 | 9.4 | 7.8 | 90% | 7 | 76.07 | 1014.1 | 0.13 | |||||
| 19 | 07:52 | NW 28 G 48 | 16.09 | Light Rain | FEW014 OVC050 | 10.6 | 6.7 | 18.9 | 10.6 | 77% | 76.02 | 1013.2 | |||||
| 19 | 06:52 | N 31 G 50 | 16.09 | Overcast | FEW014 SCT019 OVC046 | 11.1 | 8.3 | 83% | 75.87 | 1011.4 | |||||||
| 19 | 05:52 | NW 35 G 52 | 16.09 | Light Rain and Breezy | SCT015 BKN023 OVC029 | 13.3 | 11.7 | 90% | 75.77 | 1010.0 | |||||||
| 19 | 04:52 | Calm | 16.09 | Mostly Cloudy | BKN018 BKN060 BKN170 | 16.7 | 13.9 | 84% | 75.62 | 1007.7 | |||||||
| 19 | 03:52 | Calm | 16.09 | Mostly Cloudy | FEW040 SCT120 BKN170 | 16.7 | 13.9 | 84% | 75.62 | 1007.7 | |||||||
| 19 | 02:52 | NE 9 | 16.09 | Mostly Cloudy | FEW090 BKN180 | 17.2 | 14.4 | 84% | 75.64 | 1008.0 | |||||||
| 19 | 01:52 | NE 13 | 16.09 | Overcast | FEW085 BKN110 OVC200 | 18.9 | 15 | 23.3 | 17.8 | 78% | 75.67 | 1008.6 | |||||
| 19 | 00:52 | Calm | 16.09 | Overcast | FEW055 BKN070 OVC110 | 18.9 | 15 | 78% | 75.72 | 1009.3 | |||||||
| 18 | 23:52 | SE 11 | 16.09 | Light Rain | BKN085 OVC110 | 19.4 | 14.4 | 73% | 75.77 | 1009.8 | |||||||
| 18 | 22:52 | S 7 | 16.09 | Mostly Cloudy | FEW110 BKN180 BKN220 | 19.4 | 13.9 | 71% | 75.69 | 1008.8 | |||||||
| 18 | 21:52 | SE 9 | 16.09 | Mostly Cloudy | BKN170 BKN220 | 20.6 | 13.9 | 66% | 75.72 | 1009.2 | |||||||
| 18 | 20:52 | SE 19 | 16.09 | Mostly Cloudy | BKN170 BKN220 | 21.7 | 13.9 | 61% | 75.69 | 1008.9 | |||||||
| 18 | 19:52 | SE 24 G 37 | 16.09 | Mostly Cloudy | SCT220 BKN250 | 23.3 | 14.4 | 28.9 | 23.3 | 57% | 75.64 | 1008.3 | |||||
| 18 | 18:52 | SE 24 G 44 | 16.09 | Mostly Cloudy | FEW140 SCT220 BKN260 | 25 | 15 | 54% | 26 | 75.69 | 1008.8 | ||||||
| 18 | 17:52 | SE 24 G 41 | 16.09 | Partly Cloudy | FEW055 FEW140 SCT220 SCT260 | 26.7 | 15 | 49% | 27 | 75.72 | 1009.4 | ||||||
| 18 | 16:52 | E 26 G 43 | 16.09 | Mostly Cloudy | FEW055 FEW140 SCT220 BKN260 | 27.2 | 15.6 | 49% | 28 | 75.74 | 1009.4 | ||||||
| 18 | 15:52 | SE 17 G 37 | 16.09 | Mostly Cloudy | FEW055 SCT140 BKN240 | 27.8 | 13.9 | 43% | 28 | 75.82 | 1010.5 | ||||||
| 18 | 14:52 | S 19 G 37 | 16.09 | Mostly Cloudy | FEW055 SCT140 BKN240 | 28.3 | 12.8 | 38% | 28 | 75.9 | 1011.8 | ||||||
| 18 | 13:52 | SE 24 | 16.09 | Mostly Cloudy | FEW055 FEW140 SCT210 BKN250 | 27.8 | 12.8 | 27.8 | 16.1 | 40% | 27 | 75.95 | 1012.3 | ||||
| 18 | 12:52 | SE 15 G 33 | 16.09 | Mostly Cloudy | FEW050 FEW160 BKN250 | 26.7 | 12.8 | 42% | 27 | 76.02 | 1013.2 | ||||||
| 18 | 11:52 | SE 13 | 16.09 | Mostly Cloudy | BKN250 | 26.7 | 13.3 | 44% | 27 | 76.1 | 1014.2 | ||||||
| 18 | 10:52 | SE 15 | 16.09 | Partly Cloudy | SCT250 | 24.4 | 13.3 | 50% | 26 | 76.12 | 1014.7 | ||||||
| 18 | 09:52 | E 13 | 16.09 | Partly Cloudy | SCT250 | 22.2 | 13.9 | 59% | 76.12 | 1014.8 | |||||||
| 18 | 07:52 | W 7 | 16.09 | Mostly Cloudy | FEW090 BKN250 | 16.1 | 12.8 | 16.1 | 10.6 | 81% | 76.2 | 1015.6 | |||||
| 18 | 06:52 | Calm | 16.09 | Mostly Cloudy | FEW180 BKN250 | 11.1 | 10.6 | 97% | 76.15 | 1015.0 | |||||||
| 18 | 05:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 11.7 | 10.6 | 93% | 76.12 | 1014.7 | |||||||
| 18 | 04:52 | Calm | 16.09 | Partly Cloudy | SCT250 | 11.7 | 10.6 | 93% | 76.12 | 1014.7 | |||||||
| 18 | 03:52 | Vrbl 6 | 16.09 | Mostly Cloudy | BKN250 | 12.8 | 11.1 | 90% | 76.15 | 1015.0 | |||||||
| 18 | 02:52 | Calm | 16.09 | A Few Clouds | FEW250 | 13.3 | 11.1 | 87% | 76.15 | 1015.1 | |||||||
| 18 | 01:52 | Calm | 16.09 | A Few Clouds | FEW250 | 14.4 | 11.1 | 23.9 | 13.3 | 81% | 76.2 | 1015.5 | |||||
| 18 | 00:52 | NW 6 | 16.09 | A Few Clouds | FEW250 | 13.3 | 11.1 | 87% | 76.15 | 1015.0 | |||||||
| 17 | 23:52 | S 6 | 16.09 | A Few Clouds | FEW250 | 15.6 | 11.1 | 75% | 76.12 | 1014.6 | |||||||
| 17 | 22:52 | Calm | 16.09 | A Few Clouds | FEW250 | 16.1 | 11.1 | 72% | 76.12 | 1014.6 | |||||||
| 17 | 21:52 | E 6 | 16.09 | A Few Clouds | FEW250 | 17.8 | 11.1 | 65% | 76.07 | 1014.1 | |||||||
| 17 | 20:52 | E 6 | 16.09 | A Few Clouds | FEW250 | 20 | 10.6 | 55% | 76.07 | 1013.9 | |||||||
| 17 | 19:52 | NE 13 | 16.09 | A Few Clouds | FEW060 FEW250 | 23.9 | 10 | 26.7 | 23.9 | 42% | 25 | 76.05 | 1013.6 | ||||
| 17 | 18:52 | N 15 | 16.09 | A Few Clouds | FEW060 FEW250 | 25.6 | 10 | 37% | 26 | 76.05 | 1013.6 | ||||||
| 17 | 17:52 | N 15 | 16.09 | A Few Clouds | FEW060 FEW250 | 26.1 | 11.7 | 41% | 26 | 76.02 | 1013.3 | ||||||
| 17 | 16:52 | NW 20 G 41 | 16.09 | A Few Clouds | FEW060 | 26.7 | 11.1 | 38% | 27 | 76 | 1013.0 | ||||||
| 17 | 15:52 | N 15 G 30 | 16.09 | Partly Cloudy | SCT060 | 26.7 | 11.7 | 39% | 27 | 76.02 | 1013.2 | ||||||
| 17 | 14:52 | N 22 G 37 | 16.09 | Partly Cloudy | SCT060 | 26.7 | 11.1 | 38% | 27 | 76.02 | 1013.3 | ||||||
| 17 | 13:52 | N 24 G 37 | 16.09 | Mostly Cloudy | BKN060 | 26.7 | 10.6 | 26.7 | 20.6 | 37% | 26 | 76.05 | 1013.5 | ||||
| 17 | 12:52 | N 19 G 33 | 14.48 | Mostly Cloudy | BKN070 BKN250 | 25.6 | 10.6 | 39% | 26 | 76.05 | 1013.6 | ||||||
| 17 | 11:52 | NW 17 | 16.09 | Mostly Cloudy | SCT060 BKN250 | 25 | 11.1 | 42% | 26 | 76.07 | 1013.9 | ||||||
| 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) | |||||||||||||||