Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
02 10:52 SE 6 10.00 Partly Cloudy FEW120 SCT250 63 35.1 35% 30.29 1025.8
02 09:52 Vrbl 5 10.00 A Few Clouds FEW120 FEW250 60.1 39 46% 30.3 1026.0
02 08:52 Calm 10.00 A Few Clouds FEW120 FEW250 54 39 57% 30.29 1025.9
02 07:52 Calm 10.00 A Few Clouds FEW120 FEW250 46.9 41 80% 30.28 1025.4
02 06:52 Calm 10.00 Partly Cloudy SCT120 SCT250 37.9 36 45 37.9 93% 30.27 1025.1
02 05:52 Calm 10.00 Mostly Cloudy BKN130 BKN250 39.9 37 89% 30.24 1024.0
02 04:52 Calm 10.00 Mostly Cloudy BKN130 BKN250 41 37 86% 30.23 1023.5
02 03:52 Calm 10.00 Mostly Cloudy FEW110 SCT140 SCT180 BKN250 42.1 37.9 85% 30.21 1022.9
02 02:52 Calm 10.00 Overcast BKN140 OVC180 45 37.9 77% 30.2 1022.6
02 01:52 SW 5 10.00 Overcast BKN150 OVC250 43 37.9 82% 41 30.19 1022.3
02 01:52 Calm 10.00 Overcast SCT160 OVC250 43 37.9 55 41 82% 30.19 1022.2
02 00:52 Calm 10.00 Overcast OVC180 45 36 71% 30.17 1021.8
01 23:52 Calm 10.00 Mostly Cloudy FEW170 SCT200 BKN250 44.1 36 73% 30.16 1021.4
01 22:52 Calm 10.00 Mostly Cloudy BKN250 45 35.1 68% 30.16 1021.1
01 21:52 Calm 10.00 Mostly Cloudy BKN250 48 34 58% 30.13 1020.3
01 20:52 NW 5 10.00 Mostly Cloudy BKN250 53.1 33.1 47% 30.11 1019.6
01 19:52 NW 6 10.00 Mostly Cloudy FEW120 BKN200 55.9 34 64 54 44% 30.1 1019.2
01 18:52 W 5 10.00 Mostly Cloudy FEW070 BKN250 55.9 34 44% 30.07 1018.4
01 17:52 W 6 10.00 Mostly Cloudy FEW070 BKN250 59 34 39% 30.05 1017.7
01 16:52 NW 8 10.00 Mostly Cloudy SCT070 BKN250 63 34 34% 30.04 1017.0
01 15:52 NW 9 10.00 Mostly Cloudy SCT065 BKN250 64 34 33% 30.03 1016.9
01 14:52 NW 14 10.00 Mostly Cloudy BKN060 BKN250 62.1 35.1 37% 30.03 1016.8
01 13:52 NW 12 G 18 9.00 Mostly Cloudy SCT060 BKN250 63 36 64 39.9 37% 30.04 1017.1
01 11:52 NW 18 G 26 10.00 Partly Cloudy FEW050 FEW080 SCT250 60.1 33.1 36% 30.06 1017.8
01 10:52 W 17 G 24 10.00 Partly Cloudy FEW080 SCT250 57.9 34 41% 30.06 1017.8
01 09:52 S 6 10.00 Mostly Cloudy BKN250 52 36 55% 30.06 1017.8
01 08:52 S 6 10.00 A Few Clouds FEW080 FEW250 44.1 35.1 71% 41 30.03 1017.0
01 07:52 S 5 10.00 A Few Clouds FEW080 FEW250 39.9 33.1 51.1 39.9 77% 37 30.01 1016.2
01 06:52 S 5 10.00 A Few Clouds FEW250 41 33.1 73% 38 29.98 1015.1
01 05:52 SW 7 10.00 A Few Clouds FEW250 43 32 65% 39 29.95 1014.3
01 04:52 W 6 10.00 Fair CLR 48 32 54% 46 29.94 1013.8
01 03:52 S 5 10.00 Fair CLR 46.9 32 56% 45 29.93 1013.4
01 02:52 W 12 10.00 A Few Clouds FEW060 50 33.1 52% 46 29.91 1012.8
01 01:52 W 9 10.00 A Few Clouds FEW060 51.1 34 55 50 52% 29.89 1012.1
31 23:52 W 8 10.00 Partly Cloudy SCT060 50 35.1 57% 47 29.87 1011.4
31 22:52 W 8 10.00 Partly Cloudy SCT060 54 33.1 45% 29.86 1011.1
31 21:52 W 17 G 23 10.00 Mostly Cloudy BKN060 54 32 43% 29.83 1010.2
31 20:52 W 9 10.00 Mostly Cloudy BKN065 55 32 42% 29.82 1009.9
31 19:52 W 8 10.00 Mostly Cloudy BKN070 55 32 61 54 42% 29.81 1009.3
31 18:52 W 10 G 21 10.00 Overcast OVC070 55.9 30 37% 29.78 1008.5
31 17:52 W 15 G 24 10.00 Partly Cloudy SCT070 55.9 30 37% 29.76 1007.8
31 16:52 W 28 G 41 10.00 A Few Clouds and Windy FEW070 57.9 30.9 36% 29.72 1006.4
31 15:52 W 21 G 33 10.00 A Few Clouds and Breezy FEW065 60.1 30 32% 29.69 1005.1
31 14:52 W 24 G 36 10.00 A Few Clouds and Breezy FEW065 60.1 30.9 33% 29.66 1004.4
31 13:52 W 24 G 37 10.00 Partly Cloudy and Breezy FEW065 SCT200 61 30.9 61 50 32% 29.65 1003.8
31 12:52 NW 28 G 44 10.00 Partly Cloudy and Windy FEW065 FEW080 SCT250 60.1 30.9 33% 29.65 1003.8
31 11:52 NW 23 G 37 10.00 Mostly Cloudy and Breezy FEW060 SCT080 BKN250 57.9 32 38% 29.65 1004.0
31 10:52 W 22 G 37 10.00 Partly Cloudy and Breezy FEW055 SCT250 55.9 33.1 42% 29.64 1003.8
31 09:52 W 22 G 38 10.00 A Few Clouds and Breezy FEW055 FEW250 55 33.1 44% 29.64 1003.8
31 08:52 W 10 G 25 10.00 A Few Clouds FEW050 52 35.1 53% 29.63 1003.5
31 07:52 W 16 G 26 10.00 Partly Cloudy SCT042 50 35.1 54 48.9 57% 45 29.61 1002.6
31 06:52 W 17 G 36 10.00 Mostly Cloudy BKN042 51.1 37 59% 29.58 1001.5
31 04:52 W 24 G 38 10.00 Mostly Cloudy and Breezy BKN045 53.1 37.9 57% 29.52 999.6
31 03:52 W 13 G 26 10.00 Mostly Cloudy BKN048 54 39.9 59% 29.52 999.4
31 02:52 W 13 G 22 10.00 Mostly Cloudy BKN048 53.1 39.9 61% 29.51 999.0
31 01:52 SW 7 10.00 Partly Cloudy SCT048 48.9 41 55.9 48 74% 46 29.5 998.6
31 00:52 SW 6 10.00 A Few Clouds FEW050 51.1 41 69% 29.5 998.7
30 23:52 SW 7 10.00 A Few Clouds FEW055 51.1 41 69% 29.49 998.4
30 21:52 W 5 10.00 A Few Clouds FEW070 53.1 42.1 66% 29.51 999.3
30 20:52 W 7 10.00 A Few Clouds FEW050 55 43 64% 29.51 999.3
30 19:52 NW 3 10.00 Partly Cloudy FEW046 SCT070 55.9 46 66 55 70% 29.51 999.0
30 18:52 NW 8 10.00 Mostly Cloudy BKN044 59 46.9 64% 29.5 999.0
30 17:52 W 7 10.00 Partly Cloudy SCT037 61 46 58% 29.49 998.4
30 15:52 SW 12 10.00 Mostly Cloudy SCT025 BKN037 BKN120 64 48 56% 29.47 997.9
30 14:52 S 10 10.00 Mostly Cloudy SCT022 BKN035 64.9 51.1 61% 29.48 998.2
30 13:52 S 10 G 18 10.00 Mostly Cloudy BKN016 BKN042 63 55 63 53.1 76% 29.5 998.9 0.04
30 12:52 S 9 10.00 Overcast BKN015 OVC021 59 55 87% 29.52 999.4
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)