Weather observations for the past three days for
Washington/Dulles International Airport, DC
| Date | Time (est) | 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. | ||||||||||||||||
| 29 | 06:52 | S 35 G 46 | 16.09 | Overcast and Breezy | OVC013 | 11.7 | 8.9 | 11.7 | 7.2 | 83% | 74.88 | 998.2 | |||||
| 29 | 05:52 | S 28 G 48 | 16.09 | Overcast | OVC011 | 10.6 | 8.3 | 86% | 74.88 | 998.4 | |||||||
| 29 | 04:52 | S 26 G 43 | 16.09 | Overcast | OVC010 | 10 | 8.3 | 89% | 7 | 74.93 | 999.1 | ||||||
| 29 | 03:52 | S 22 G 43 | 16.09 | Overcast | OVC010 | 9.4 | 7.8 | 90% | 7 | 75.08 | 1001.2 | ||||||
| 29 | 02:52 | S 22 | 16.09 | Overcast | OVC009 | 8.9 | 6.7 | 86% | 6 | 75.21 | 1002.9 | ||||||
| 29 | 01:52 | S 31 G 46 | 16.09 | Overcast | OVC008 | 8.3 | 6.7 | 90% | 5 | 75.29 | 1003.7 | ||||||
| 29 | 00:52 | S 26 G 37 | 16.09 | Overcast | OVC006 | 7.2 | 6.1 | 7.2 | 6.1 | 93% | 4 | 75.44 | 1005.8 | ||||
| 28 | 23:52 | S 20 | 16.09 | Overcast | OVC006 | 7.2 | 5.6 | 90% | 4 | 75.51 | 1006.8 | ||||||
| 28 | 22:52 | S 20 | 16.09 | Overcast | OVC007 | 6.7 | 5.6 | 93% | 3 | 75.62 | 1008.2 | ||||||
| 28 | 21:52 | S 19 | 16.09 | Overcast | OVC009 | 6.7 | 5 | 89% | 4 | 75.67 | 1008.9 | ||||||
| 28 | 20:52 | S 22 G 37 | 16.09 | Overcast | OVC011 | 6.1 | 3.9 | 86% | 3 | 75.77 | 1010.2 | ||||||
| 28 | 19:52 | S 15 G 35 | 16.09 | Overcast | OVC014 | 6.1 | 2.8 | 80% | 3 | 75.9 | 1011.9 | ||||||
| 28 | 18:52 | S 17 | 16.09 | Overcast | OVC018 | 6.1 | 2.2 | 6.1 | 5 | 76% | 3 | 75.97 | 1013.0 | ||||
| 28 | 17:52 | S 11 | 16.09 | Overcast | OVC021 | 6.1 | 1.1 | 71% | 4 | 76.1 | 1014.8 | ||||||
| 28 | 16:52 | S 11 | 16.09 | Mostly Cloudy | BKN023 BKN200 | 5.6 | 1.1 | 73% | 3 | 76.12 | 1015.0 | ||||||
| 28 | 15:52 | S 7 | 16.09 | Mostly Cloudy | SCT022 BKN060 BKN200 | 6.1 | 1.1 | 71% | 5 | 76.2 | 1015.9 | ||||||
| 28 | 14:52 | S 9 | 16.09 | Overcast | OVC020 | 5.6 | 0.6 | 71% | 4 | 76.23 | 1016.5 | ||||||
| 28 | 13:52 | S 19 | 16.09 | Overcast | OVC020 | 5.6 | 0.6 | 71% | 2 | 76.3 | 1017.5 | ||||||
| 28 | 12:52 | S 11 | 16.09 | Overcast | OVC020 | 5 | 0 | 5 | 1.7 | 70% | 3 | 76.35 | 1018.2 | ||||
| 28 | 11:52 | S 17 | 16.09 | Overcast | OVC018 | 3.9 | -0.6 | 73% | 0 | 76.48 | 1019.8 | ||||||
| 28 | 10:52 | S 13 | 16.09 | Overcast | OVC019 | 3.9 | -1.1 | 70% | 1 | 76.58 | 1021.0 | ||||||
| 28 | 09:52 | S 17 | 16.09 | Overcast | OVC021 | 2.8 | -1.7 | 73% | -1 | 76.66 | 1022.2 | ||||||
| 28 | 08:52 | S 11 | 16.09 | Overcast | OVC016 | 2.2 | -1.7 | 76% | -1 | 76.68 | 1022.6 | ||||||
| 28 | 07:52 | S 11 | 16.09 | Overcast | OVC016 | 1.7 | -1.7 | 78% | -1 | 76.66 | 1022.2 | ||||||
| 28 | 06:52 | SE 9 | 16.09 | Overcast | OVC015 | 1.7 | -1.7 | 2.8 | 1.7 | 78% | -1 | 76.68 | 1022.6 | ||||
| 28 | 05:52 | S 9 | 16.09 | Overcast | OVC018 | 2.2 | -1.7 | 76% | -0 | 76.68 | 1022.6 | ||||||
| 28 | 04:52 | S 7 | 16.09 | Overcast | OVC017 | 2.2 | -1.7 | 76% | 0 | 76.73 | 1023.0 | ||||||
| 28 | 03:52 | SE 7 | 16.09 | Overcast | OVC019 | 2.2 | -1.7 | 76% | 0 | 76.73 | 1023.2 | ||||||
| 28 | 02:52 | SE 6 | 16.09 | Overcast | OVC018 | 2.2 | -1.7 | 76% | 76.76 | 1023.5 | |||||||
| 28 | 01:52 | SE 6 | 16.09 | Overcast | OVC017 | 2.2 | -1.1 | 79% | 76.78 | 1023.8 | |||||||
| 28 | 00:52 | NE 7 | 16.09 | Overcast | OVC020 | 2.8 | -1.7 | 3.9 | 2.8 | 73% | 1 | 76.78 | 1023.7 | ||||
| 27 | 23:52 | E 6 | 16.09 | Overcast | OVC020 | 2.8 | -1.7 | 73% | 76.76 | 1023.6 | |||||||
| 27 | 22:52 | NE 7 | 16.09 | Overcast | OVC022 | 2.8 | -1.7 | 73% | 1 | 76.73 | 1023.3 | ||||||
| 27 | 21:52 | Calm | 16.09 | Overcast | OVC025 | 3.3 | -1.7 | 70% | 76.73 | 1023.4 | |||||||
| 27 | 20:52 | NE 15 | 16.09 | Overcast | OVC026 | 3.3 | -1.7 | 70% | 0 | 76.71 | 1022.8 | ||||||
| 27 | 19:52 | E 11 | 16.09 | Overcast | OVC027 | 3.3 | -1.7 | 70% | 1 | 76.68 | 1022.5 | ||||||
| 27 | 18:52 | NE 11 | 16.09 | Overcast | OVC026 | 3.9 | -1.7 | 6.7 | 3.9 | 67% | 1 | 76.63 | 1022.0 | ||||
| 27 | 17:52 | NE 17 | 16.09 | Overcast | OVC027 | 4.4 | -1.7 | 65% | 1 | 76.61 | 1021.6 | ||||||
| 27 | 16:52 | NE 11 | 16.09 | Overcast | OVC028 | 5 | -1.1 | 65% | 3 | 76.56 | 1020.8 | ||||||
| 27 | 15:52 | N 17 | 16.09 | Overcast | OVC029 | 5.6 | -1.1 | 62% | 3 | 76.5 | 1020.0 | ||||||
| 27 | 14:52 | NE 17 | 16.09 | Mostly Cloudy | BKN031 | 6.1 | -0.6 | 63% | 3 | 76.43 | 1019.2 | ||||||
| 27 | 13:52 | NE 20 | 16.09 | Overcast | OVC031 | 6.1 | 0 | 65% | 3 | 76.35 | 1018.0 | ||||||
| 27 | 12:52 | N 19 | 16.09 | Mostly Cloudy | BKN033 | 6.1 | 0 | 6.7 | 2.8 | 65% | 3 | 76.35 | 1018.1 | ||||
| 27 | 11:52 | N 15 | 16.09 | Mostly Cloudy | BKN035 | 6.7 | 0.6 | 65% | 4 | 76.38 | 1018.3 | ||||||
| 27 | 10:52 | NE 15 G 30 | 16.09 | Mostly Cloudy | BKN035 | 6.1 | 0.6 | 68% | 3 | 76.38 | 1018.5 | ||||||
| 27 | 09:52 | N 15 | 16.09 | Mostly Cloudy | BKN033 | 5 | 0 | 70% | 2 | 76.35 | 1018.2 | ||||||
| 27 | 08:52 | N 9 | 16.09 | Mostly Cloudy | BKN033 | 3.9 | 0 | 76% | 2 | 76.28 | 1017.2 | ||||||
| 27 | 07:52 | N 9 | 16.09 | Mostly Cloudy | BKN037 | 3.9 | -0.6 | 73% | 2 | 76.2 | 1016.0 | ||||||
| 27 | 06:52 | N 7 | 16.09 | Overcast | OVC037 | 3.3 | -1.1 | 3.9 | 2.8 | 73% | 2 | 76.1 | 1014.7 | ||||
| 27 | 05:52 | N 6 | 16.09 | Overcast | BKN037 OVC050 | 2.8 | -1.7 | 73% | 76 | 1013.2 | |||||||
| 27 | 04:52 | N 11 | 16.09 | Overcast | OVC035 | 3.3 | -2.8 | 65% | 1 | 75.9 | 1012.0 | ||||||
| 27 | 03:52 | N 11 | 16.09 | Mostly Cloudy | BKN021 BKN038 | 3.3 | -2.2 | 68% | 1 | 75.82 | 1011.1 | ||||||
| 27 | 02:52 | N 13 | 16.09 | Overcast | OVC019 | 3.9 | -3.3 | 60% | 1 | 75.77 | 1010.2 | ||||||
| 27 | 01:52 | NW 7 | 16.09 | Mostly Cloudy | BKN024 | 3.9 | -3.3 | 60% | 2 | 75.72 | 1009.7 | ||||||
| 27 | 00:52 | N 6 | 16.09 | Mostly Cloudy | SCT039 BKN050 | 3.9 | -3.3 | 3.9 | 2.2 | 60% | 75.67 | 1008.9 | |||||
| 26 | 23:52 | NW 7 | 16.09 | Mostly Cloudy | BKN050 | 3.3 | -3.3 | 62% | 2 | 75.64 | 1008.6 | ||||||
| 26 | 22:52 | S 17 | 16.09 | Mostly Cloudy | BKN050 | 3.9 | -3.9 | 57% | 0 | 75.62 | 1008.3 | ||||||
| 26 | 21:52 | S 11 | 16.09 | Mostly Cloudy | BKN045 BKN060 | 3.3 | -4.4 | 57% | 1 | 75.69 | 1009.3 | ||||||
| 26 | 20:52 | S 11 | 16.09 | Overcast | BKN050 BKN070 OVC100 | 3.3 | -5 | 55% | 1 | 75.77 | 1010.4 | ||||||
| 26 | 19:52 | S 17 | 16.09 | Mostly Cloudy | SCT050 BKN070 BKN100 | 2.8 | -5.6 | 54% | -1 | 75.82 | 1011.1 | ||||||
| 26 | 18:52 | S 15 | 16.09 | Overcast | BKN037 OVC050 | 2.2 | -6.1 | 2.2 | 0 | 55% | -1 | 75.87 | 1011.7 | ||||
| 26 | 17:52 | S 13 | 16.09 | Overcast | BKN037 OVC060 | 1.7 | -6.7 | 54% | -2 | 75.95 | 1012.9 | ||||||
| 26 | 16:52 | S 15 | 16.09 | Overcast | OVC042 | 1.7 | -7.2 | 52% | -2 | 76.07 | 1014.4 | ||||||
| 26 | 15:52 | S 13 G 31 | 16.09 | Overcast | OVC044 | 1.1 | -7.2 | 54% | -2 | 76.15 | 1015.4 | ||||||
| 26 | 14:52 | SE 15 | 16.09 | Overcast | BKN043 OVC085 | 1.1 | -6.1 | 59% | -3 | 76.23 | 1016.4 | ||||||
| 26 | 13:52 | S 15 | 16.09 | Overcast | OVC042 | 0 | -7.2 | 59% | -4 | 76.35 | 1018.2 | ||||||
| 26 | 12:52 | SE 9 | 16.09 | Overcast | OVC043 | 0 | -7.2 | 1.1 | -0.6 | 59% | -3 | 76.48 | 1020.0 | 0.05 | |||
| 26 | 11:52 | S 7 | 9.66 | Light Freezing Rain | BKN047 OVC060 | -0.6 | -6.1 | 67% | -3 | 76.61 | 1021.5 | 0.05 | |||||
| 26 | 10:52 | S 7 | 16.09 | Overcast | BKN050 BKN075 OVC160 | 0.6 | -8.3 | 52% | -1 | 76.71 | 1023.0 | ||||||
| 26 | 09:52 | S 6 | 16.09 | Overcast | SCT060 BKN095 OVC200 | 0.6 | -8.9 | 49% | 76.76 | 1023.6 | |||||||
| 26 | 08:52 | Calm | 16.09 | Overcast | BKN100 OVC200 | 0.6 | -8.3 | 52% | 76.84 | 1024.5 | |||||||
| 26 | 07:52 | NE 6 | 16.09 | Fair | CLR | 0 | -8.3 | 54% | 76.73 | 1023.2 | |||||||
| Date | Time (est) | 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) | |||||||||||||||