Weather observations for the past three days for
Washington/Dulles International Airport, DC
Metric (Imperial)
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.
19 04:52 S 7 16.09 Overcast BKN060 OVC095 1.7 -3.3 70% -0 76.84 1024.5
19 03:52 SE 7 16.09 Overcast OVC065 1.7 -3.9 67% -0 76.86 1024.8
19 02:52 S 7 16.09 Overcast OVC100 2.2 -4.4 62% 0 76.91 1025.5
19 01:52 S 9 16.09 Overcast FEW060 OVC100 2.2 -5 2.8 1.7 59% -0 76.96 1026.2
19 00:52 S 11 16.09 Overcast OVC070 2.2 -5.6 57% -1 76.99 1026.6
18 23:52 SE 9 16.09 Overcast OVC070 2.2 -6.7 52% -0 76.99 1026.7
18 22:52 SE 15 16.09 Overcast OVC075 2.8 -7.2 48% -1 77.01 1026.8
18 21:52 SE 13 16.09 Mostly Cloudy SCT085 BKN120 2.8 -8.3 44% -0 77.01 1026.9
18 20:52 SE 13 16.09 Partly Cloudy FEW080 SCT100 2.2 -8.9 44% -1 77.01 1026.9
18 19:52 SE 11 16.09 Partly Cloudy SCT100 SCT250 2.8 -10 5 2.8 39% 0 76.96 1026.3
18 18:52 SW 13 16.09 A Few Clouds FEW100 FEW250 3.9 -11.7 31% 1 76.99 1026.6
18 17:52 SW 17 16.09 A Few Clouds FEW070 FEW250 5 -11.1 30% 2 76.99 1026.7
18 16:52 S 11 16.09 A Few Clouds FEW070 FEW250 5 -11.1 30% 3 77.01 1027.1
18 15:52 Vrbl 9 16.09 A Few Clouds FEW080 FEW250 4.4 -11.7 30% 2 77.06 1027.6
18 14:52 S 17 G 33 16.09 A Few Clouds FEW075 FEW250 3.3 -12.2 31% -0 77.11 1028.3
18 13:52 SE 19 G 33 16.09 A Few Clouds FEW075 FEW250 2.8 -12.8 3.3 -3.3 31% -1 77.19 1029.4
18 12:52 E 15 16.09 A Few Clouds FEW140 FEW250 2.2 -12.8 32% -1 77.27 1030.3
18 11:52 Calm 16.09 A Few Clouds FEW250 0.6 -12.8 36% 77.29 1030.8
18 10:52 Vrbl 6 16.09 Mostly Cloudy BKN140 BKN250 -0.6 -12.2 42% 77.27 1030.5
18 09:52 N 9 16.09 Mostly Cloudy SCT120 BKN150 BKN220 -2.2 -12.2 47% -5 77.24 1030.1
18 08:52 N 13 16.09 Mostly Cloudy BKN170 BKN220 -2.8 -12.2 49% -7 77.19 1029.4
18 07:52 N 9 16.09 Mostly Cloudy BKN250 -3.3 -11.7 -3.3 -5 53% -7 77.22 1029.6
18 06:52 NW 17 16.09 Mostly Cloudy BKN250 -3.9 -11.7 55% -9 77.22 1029.6
18 05:52 W 7 16.09 Mostly Cloudy BKN250 -4.4 -11.1 60% -7 77.22 1029.6
18 04:52 W 11 16.09 Fair CLR -4.4 -11.7 57% -8 77.09 1028.2
18 03:52 W 6 16.09 Fair CLR -4.4 -11.7 57% 77.06 1027.8
18 02:52 NW 17 16.09 Fair CLR -3.3 -11.7 53% -8 77.01 1027.0
18 01:52 NW 13 16.09 Fair CLR -3.3 -12.8 0.6 -3.3 48% -8 77.01 1027.0
18 00:52 NW 13 16.09 Fair CLR -2.8 -12.8 46% -7 76.96 1026.5
17 23:52 NW 17 16.09 Fair CLR -2.2 -12.2 47% -7 76.89 1025.3
17 22:52 NW 26 G 37 16.09 Fair CLR -1.1 -12.8 41% -7 76.81 1024.2
17 21:52 NW 24 G 39 16.09 Fair CLR -1.1 -12.8 41% -7 76.78 1024.0
17 20:52 NW 28 G 46 16.09 A Few Clouds FEW100 -0.6 -12.2 42% -7 76.71 1022.9
17 19:52 NW 26 G 41 16.09 A Few Clouds FEW060 FEW090 0.6 -10.6 4.4 0.6 43% -5 76.58 1021.1
17 18:52 NW 28 G 39 16.09 Mostly Cloudy BKN065 BKN090 1.7 -10 42% -4 76.45 1019.5
17 17:52 NW 22 G 44 16.09 Mostly Cloudy SCT055 BKN070 2.8 -9.4 41% -2 76.33 1017.9
17 16:52 NW 31 G 39 16.09 Mostly Cloudy BKN060 BKN080 3.9 -10 36% -1 76.23 1016.3
17 15:52 NW 24 G 39 16.09 Mostly Cloudy BKN060 BKN080 2.8 -8.9 42% -2 76.23 1016.3
17 14:52 W 22 G 46 16.09 Mostly Cloudy BKN065 BKN080 2.8 -9.4 41% -2 76.17 1015.7
17 13:52 NW 26 G 39 16.09 Mostly Cloudy BKN055 BKN075 2.8 -8.9 3.9 -1.1 42% -2 76.2 1015.9
17 12:52 NW 30 G 41 16.09 Mostly Cloudy BKN065 3.3 -8.9 41% -2 76.2 1016.0
17 11:52 W 28 G 43 16.09 Mostly Cloudy BKN055 2.8 -8.9 42% -2 76.2 1016.2
17 10:52 W 28 G 57 16.09 Partly Cloudy SCT055 2.2 -10.6 39% -3 76.23 1016.3
17 09:52 W 26 G 43 16.09 Partly Cloudy SCT055 SCT250 1.7 -10 42% -3 76.17 1015.8
17 08:52 W 15 16.09 Partly Cloudy SCT055 SCT250 0 -9.4 50% -4 76.15 1015.4
17 07:52 NW 19 16.09 Partly Cloudy FEW050 SCT250 -1.1 -10 1.7 -1.1 51% -6 76.02 1013.5
17 06:52 W 19 G 39 16.09 A Few Clouds FEW050 -1.1 -10 51% -6 75.95 1012.4
17 05:52 W 26 G 50 16.09 Mostly Cloudy BKN050 -0.6 -10 49% -6 75.82 1011.0
17 04:52 W 24 G 52 16.09 Mostly Cloudy BKN055 0 -10 47% -5 75.72 1009.4
17 03:52 W 20 G 41 16.09 A Few Clouds FEW055 0.6 -8.3 52% -4 75.62 1008.3
17 02:52 W 33 G 54 16.09 Overcast and Breezy OVC055 1.1 -6.7 56% -5 75.59 1007.6
17 01:52 NW 13 16.09 Partly Cloudy SCT055 1.7 -3.9 17.8 1.7 67% -2 75.41 1005.5 1.3
17 00:52 W 35 G 57 16.09 A Few Clouds and Breezy FEW050 2.8 -5 57% -3 75.29 1003.5
16 23:52 W 26 16.09 Partly Cloudy FEW050 SCT080 2.8 -1.7 73% -2 75.16 1002.0
16 22:52 NW 35 G 50 11.27 Light Rain and Breezy SCT017 BKN024 OVC040 2.2 0.6 89% -4 75.03 1000.1 0.18 1.3
16 21:52 NW 26 G 54 4.83 Light Rain Fog/Mist SCT013 OVC024 3.3 1.7 89% -1 74.85 997.9 0.61
16 20:52 NW 44 G 69 1.21 Heavy Rain Fog/Mist and Windy VV009 5 3.9 93% -1 74.65 995.3 0.51
16 19:52 Vrbl 11 G 43 16.09 Overcast FEW013 OVC035 18.3 13.9 18.3 16.1 76% 74.3 990.4
16 18:52 S 20 G 44 16.09 Overcast FEW011 SCT033 OVC120 18.3 15 81% 74.32 990.7
16 17:52 SE 22 G 37 16.09 Mostly Cloudy SCT010 BKN090 BKN110 17.2 16.1 93% 74.45 992.3
16 16:52 S 20 G 39 16.09 Overcast SCT025 BKN065 OVC120 16.7 15 90% 74.57 994.1
16 15:52 S 17 G 39 16.09 Overcast FEW022 BKN070 OVC120 16.1 13.9 87% 74.68 995.5
16 14:52 S 19 G 39 16.09 Light Rain FEW018 BKN039 OVC080 16.7 14.4 86% 74.78 996.7
16 13:52 S 19 11.27 Light Rain BKN050 OVC080 16.7 15 20.6 16.7 90% 74.85 997.7 0.2 0.94
16 12:52 S 39 G 59 4.83 Rain Fog/Mist and Breezy BKN027 BKN055 OVC070 17.2 15 87% 74.96 999.2 0.46
16 11:52 S 20 G 39 3.22 Light Rain Fog/Mist BKN009 BKN019 OVC022 18.9 17.2 90% 75.03 1000.1 0.28
16 10:52 S 19 G 39 16.09 Overcast BKN019 OVC025 20 16.7 81% 75.08 1000.7
16 09:52 S 17 G 48 16.09 Overcast BKN020 OVC025 19.4 16.7 84% 75.13 1001.6
16 08:52 S 22 G 39 16.09 Overcast OVC018 18.3 16.7 90% 75.16 1001.9
16 07:52 S 20 G 31 16.09 Overcast BKN014 OVC024 17.2 16.1 17.2 15 93% 75.23 1002.7 0.05
16 06:52 S 17 G 37 16.09 Overcast BKN008 OVC014 17.2 16.1 93% 75.26 1003.1 0.03
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)