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. | ||||||||||||||||
| 30 | 21:52 | NW 11 | 16.09 | Fair | CLR | 11.1 | 1.7 | 53% | 76.05 | 1013.9 | |||||||
| 30 | 20:52 | NW 15 G 30 | 16.09 | A Few Clouds | FEW050 | 12.2 | 1.1 | 47% | 76.02 | 1013.2 | |||||||
| 30 | 19:52 | NW 24 G 46 | 16.09 | A Few Clouds | FEW050 FEW250 | 13.3 | 2.2 | 20.6 | 13.3 | 47% | 75.92 | 1012.2 | |||||
| 30 | 18:52 | NW 31 G 50 | 16.09 | A Few Clouds | FEW060 FEW075 FEW250 | 15.6 | 3.9 | 46% | 75.84 | 1010.9 | |||||||
| 30 | 17:52 | NW 28 G 52 | 16.09 | A Few Clouds | FEW080 | 17.2 | 3.3 | 40% | 75.74 | 1009.8 | |||||||
| 30 | 16:52 | NW 31 G 50 | 16.09 | Partly Cloudy | SCT080 SCT250 | 17.8 | 1.7 | 34% | 75.69 | 1009.2 | |||||||
| 30 | 15:52 | NW 24 G 48 | 16.09 | Partly Cloudy | SCT075 | 20 | 1.7 | 30% | 75.67 | 1008.5 | |||||||
| 30 | 14:52 | NW 26 G 50 | 16.09 | Partly Cloudy | SCT070 | 19.4 | 2.2 | 32% | 75.64 | 1008.3 | |||||||
| 30 | 13:52 | W 30 G 43 | 16.09 | Partly Cloudy | SCT060 | 19.4 | 3.9 | 20 | 13.3 | 36% | 75.64 | 1008.4 | |||||
| 30 | 12:52 | NW 28 G 43 | 16.09 | Mostly Cloudy | BKN065 | 18.9 | 4.4 | 39% | 75.69 | 1008.8 | |||||||
| 30 | 11:52 | W 26 G 44 | 16.09 | Mostly Cloudy | BKN060 | 17.8 | 3.9 | 40% | 75.74 | 1009.5 | |||||||
| 30 | 10:52 | W 35 G 48 | 16.09 | Mostly Cloudy and Breezy | SCT050 BKN230 | 17.2 | 5 | 45% | 75.74 | 1009.8 | |||||||
| 30 | 09:52 | NW 19 G 33 | 16.09 | Partly Cloudy | FEW030 SCT130 SCT240 | 16.7 | 7.2 | 54% | 75.77 | 1010.1 | |||||||
| 30 | 08:52 | NW 15 | 16.09 | Partly Cloudy | FEW030 SCT100 SCT220 | 15 | 8.3 | 64% | 75.74 | 1009.5 | |||||||
| 30 | 07:52 | NW 13 | 16.09 | Mostly Cloudy | FEW030 SCT130 BKN250 | 13.3 | 8.9 | 15 | 10 | 75% | 75.69 | 1009.2 | |||||
| 30 | 06:52 | W 13 | 16.09 | Mostly Cloudy | BKN200 | 11.7 | 8.9 | 83% | 75.69 | 1008.8 | |||||||
| 30 | 05:52 | N 7 | 16.09 | Mostly Cloudy | BKN240 | 11.1 | 8.9 | 86% | 75.62 | 1008.0 | |||||||
| 30 | 04:52 | Vrbl 6 | 16.09 | Mostly Cloudy | FEW120 BKN250 | 12.2 | 10 | 87% | 75.62 | 1008.1 | |||||||
| 30 | 03:52 | NW 11 | 16.09 | Partly Cloudy | SCT230 | 13.9 | 11.1 | 83% | 75.57 | 1007.4 | |||||||
| 30 | 02:52 | Calm | 16.09 | Mostly Cloudy | FEW004 SCT021 BKN230 | 14.4 | 12.2 | 87% | 75.54 | 1007.1 | |||||||
| 30 | 01:52 | Calm | 11.27 | Mostly Cloudy | SCT004 BKN021 BKN230 | 12.8 | 12.2 | 15 | 11.7 | 96% | 75.57 | 1007.2 | 0.25 | ||||
| 30 | 00:52 | Calm | 14.48 | Overcast | OVC005 | 12.8 | 12.2 | 96% | 75.59 | 1007.6 | |||||||
| 29 | 23:52 | Calm | 16.09 | Overcast | BKN009 BKN016 OVC030 | 13.3 | 12.8 | 97% | 75.57 | 1007.3 | |||||||
| 29 | 22:52 | Calm | 11.27 | Overcast | OVC007 | 13.9 | 13.3 | 96% | 75.59 | 1007.6 | 0.15 | 0.25 | |||||
| 29 | 21:52 | W 9 | 11.27 | Light Rain | BKN009 OVC015 | 13.9 | 13.3 | 96% | 75.62 | 1008.1 | 0.1 | ||||||
| 29 | 20:52 | SE 19 | 16.09 | Overcast | FEW009 OVC018 | 14.4 | 13.9 | 97% | 75.54 | 1007.1 | |||||||
| 29 | 19:52 | SE 11 | 11.27 | Overcast | BKN018 OVC022 | 15 | 13.9 | 15 | 14.4 | 93% | 75.54 | 1006.9 | 1.07 | ||||
| 29 | 18:52 | SE 9 | 3.22 | Light Rain Fog/Mist | SCT014 BKN024 OVC030 | 15 | 13.9 | 93% | 75.57 | 1007.3 | 0.25 | ||||||
| 29 | 17:52 | SW 6 | 3.22 | Rain Fog/Mist | BKN019 OVC027 | 14.4 | 13.9 | 97% | 75.64 | 1008.3 | 0.64 | ||||||
| 29 | 16:52 | S 7 | 8.05 | Light Rain Fog/Mist | BKN022 OVC044 | 14.4 | 13.3 | 93% | 75.64 | 1008.2 | 0.08 | 0.18 | |||||
| 29 | 15:52 | S 15 | 11.27 | Light Rain | SCT016 BKN032 OVC095 | 15 | 12.8 | 87% | 75.67 | 1008.7 | 0.03 | ||||||
| 29 | 14:52 | S 15 | 9.66 | Rain Fog/Mist | OVC015 | 14.4 | 12.8 | 90% | 75.77 | 1010.0 | 0.08 | ||||||
| 29 | 13:52 | S 11 | 9.66 | Fog/Mist | OVC013 | 14.4 | 12.2 | 15.6 | 12.8 | 87% | 75.9 | 1011.7 | |||||
| 29 | 12:52 | S 11 | 16.09 | Overcast | OVC015 | 15 | 11.7 | 81% | 75.95 | 1012.5 | |||||||
| 29 | 11:52 | S 17 | 16.09 | Overcast | OVC017 | 15 | 10 | 72% | 76 | 1013.0 | |||||||
| 29 | 10:52 | S 9 | 16.09 | Overcast | OVC018 | 14.4 | 8.9 | 70% | 76.05 | 1013.9 | |||||||
| 29 | 09:52 | S 11 | 16.09 | Overcast | OVC017 | 13.3 | 8.9 | 75% | 76.1 | 1014.4 | |||||||
| 29 | 08:52 | SE 9 | 16.09 | Overcast | OVC016 | 13.3 | 8.9 | 75% | 76.07 | 1013.9 | |||||||
| 29 | 07:52 | SE 7 | 16.09 | Overcast | OVC017 | 12.8 | 8.3 | 14.4 | 12.8 | 74% | 76.07 | 1014.0 | |||||
| 29 | 06:52 | S 7 | 16.09 | Overcast | OVC018 | 12.8 | 7.8 | 72% | 76.1 | 1014.4 | |||||||
| 29 | 05:52 | SE 11 | 16.09 | Overcast | OVC018 | 12.8 | 7.8 | 72% | 76.1 | 1014.3 | |||||||
| 29 | 04:52 | SE 11 | 16.09 | Overcast | OVC019 | 12.8 | 8.9 | 77% | 76.1 | 1014.3 | |||||||
| 29 | 03:52 | SE 13 | 16.09 | Overcast | OVC019 | 13.3 | 9.4 | 77% | 76.07 | 1014.2 | |||||||
| 29 | 02:52 | E 7 | 16.09 | Overcast | OVC021 | 13.3 | 10 | 81% | 76.1 | 1014.6 | |||||||
| 29 | 01:52 | SE 11 | 16.09 | Overcast | OVC023 | 14.4 | 10.6 | 16.1 | 14.4 | 78% | 76.17 | 1015.5 | |||||
| 29 | 00:52 | SE 6 | 16.09 | Overcast | OVC024 | 15 | 11.7 | 81% | 76.25 | 1016.5 | |||||||
| 28 | 23:52 | S 6 | 16.09 | Overcast | OVC026 | 15.6 | 11.7 | 78% | 76.28 | 1016.7 | |||||||
| 28 | 22:52 | Calm | 16.09 | Overcast | OVC027 | 15.6 | 11.7 | 78% | 76.3 | 1017.1 | |||||||
| 28 | 21:52 | Calm | 16.09 | Overcast | OVC026 | 15 | 11.7 | 81% | 76.33 | 1017.3 | |||||||
| 28 | 20:52 | S 7 | 16.09 | Overcast | OVC025 | 15.6 | 11.1 | 75% | 76.2 | 1015.9 | |||||||
| 28 | 19:52 | S 9 | 16.09 | Overcast | OVC025 | 16.1 | 11.1 | 17.2 | 15 | 72% | 76.23 | 1016.2 | |||||
| 28 | 18:52 | SW 15 | 16.09 | Overcast | OVC026 | 16.7 | 11.1 | 70% | 76.28 | 1016.7 | |||||||
| 28 | 17:52 | S 17 | 16.09 | Overcast | OVC030 | 16.7 | 10.6 | 67% | 76.28 | 1016.7 | |||||||
| 28 | 16:52 | SW 17 | 16.09 | Overcast | OVC032 | 16.7 | 10.6 | 67% | 76.28 | 1016.8 | |||||||
| 28 | 15:52 | S 13 G 28 | 16.09 | Overcast | OVC034 | 17.2 | 9.4 | 60% | 76.3 | 1017.1 | |||||||
| 28 | 14:52 | S 17 | 16.09 | Overcast | BKN035 OVC070 | 16.7 | 8.3 | 58% | 76.35 | 1017.7 | |||||||
| 28 | 13:52 | SE 17 | 16.09 | Overcast | BKN038 OVC070 | 15 | 8.3 | 15 | 10.6 | 64% | 76.38 | 1018.3 | |||||
| 28 | 12:52 | SE 20 G 28 | 16.09 | Overcast | OVC060 | 13.3 | 7.8 | 70% | 76.43 | 1018.9 | |||||||
| 28 | 11:52 | SE 13 | 16.09 | Overcast | OVC070 | 11.7 | 7.2 | 74% | 76.53 | 1020.3 | |||||||
| 28 | 10:52 | S 17 | 16.09 | Overcast | BKN041 OVC070 | 11.1 | 7.2 | 77% | 76.61 | 1021.1 | |||||||
| 28 | 09:52 | S 11 | 16.09 | Light Rain | BKN065 OVC120 | 10.6 | 6.7 | 77% | 76.61 | 1021.2 | |||||||
| 28 | 08:52 | S 20 G 35 | 16.09 | Overcast | BKN095 OVC200 | 11.7 | 4.4 | 61% | 76.58 | 1020.9 | |||||||
| 28 | 07:52 | S 13 | 16.09 | Overcast | OVC120 | 11.1 | 5 | 11.1 | 9.4 | 66% | 76.66 | 1021.7 | |||||
| 28 | 06:52 | S 13 | 16.09 | Mostly Cloudy | BKN170 | 10 | 5 | 71% | 8 | 76.58 | 1021.0 | ||||||
| 28 | 05:52 | S 13 | 16.09 | Mostly Cloudy | BKN210 | 9.4 | 5.6 | 77% | 8 | 76.63 | 1021.4 | ||||||
| 28 | 04:52 | S 9 | 16.09 | Overcast | OVC240 | 10 | 5.6 | 74% | 9 | 76.66 | 1021.9 | ||||||
| 28 | 03:52 | S 13 | 16.09 | Mostly Cloudy | FEW120 BKN200 | 10.6 | 5.6 | 71% | 76.68 | 1022.2 | |||||||
| 28 | 02:52 | S 13 | 16.09 | A Few Clouds | FEW120 | 10 | 6.1 | 77% | 8 | 76.71 | 1022.5 | ||||||
| 28 | 01:52 | S 13 | 16.09 | A Few Clouds | FEW250 | 11.1 | 6.1 | 17.2 | 11.1 | 72% | 76.71 | 1022.7 | |||||
| 28 | 00:52 | S 13 | 16.09 | A Few Clouds | FEW250 | 11.7 | 6.7 | 72% | 76.73 | 1022.8 | |||||||
| 27 | 23:52 | S 9 | 16.09 | Partly Cloudy | SCT250 | 12.8 | 5.6 | 62% | 76.76 | 1023.1 | |||||||
| 27 | 22:52 | S 11 | 16.09 | Partly Cloudy | SCT250 | 13.9 | 5.6 | 58% | 76.73 | 1023.0 | |||||||
| 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) | |||||||||||||||