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.
06 17:52 NW 17 G 35 16.09 Mostly Cloudy BKN100 BKN250 15.6 -0.6 33% 76.3 1017.1
06 16:52 W 30 G 39 16.09 Mostly Cloudy BKN100 BKN250 16.7 -1.1 30% 76.28 1016.8
06 15:52 W 7 16.09 Mostly Cloudy BKN080 BKN250 15 -1.7 32% 76.3 1017.1
06 14:52 SW 17 G 31 16.09 Partly Cloudy SCT075 SCT250 16.1 -1.1 31% 76.35 1017.8
06 13:52 NW 17 16.09 A Few Clouds FEW080 14.4 -1.7 14.4 7.8 33% 76.45 1019.2
06 12:52 W 19 G 31 16.09 A Few Clouds FEW050 13.3 -1.7 36% 76.53 1020.2
06 11:52 Vrbl 11 16.09 A Few Clouds FEW040 FEW250 12.8 -1.7 37% 76.58 1021.0
06 10:52 W 19 G 37 16.09 A Few Clouds FEW050 FEW250 11.1 -1.7 41% 76.63 1021.5
06 09:52 W 26 16.09 A Few Clouds FEW050 FEW250 10 -1.1 46% 7 76.56 1020.7
06 08:52 NW 30 G 37 16.09 A Few Clouds FEW250 9.4 -1.7 46% 6 76.56 1020.6
06 07:52 NW 15 16.09 A Few Clouds FEW250 7.8 -2.2 9.4 6.7 50% 6 76.53 1020.1
06 06:52 NW 19 16.09 A Few Clouds FEW050 7.2 -2.8 49% 4 76.48 1019.7
06 05:52 NW 15 16.09 A Few Clouds FEW050 6.7 -1.7 55% 4 76.4 1018.6
06 04:52 NW 22 G 43 16.09 A Few Clouds FEW050 7.8 -2.2 50% 5 76.38 1018.2
06 03:52 NW 30 G 48 16.09 Fair CLR 7.8 -2.2 50% 4 76.35 1017.8
06 02:52 NW 52 G 72 16.09 Fair and Windy CLR 8.9 -2.8 44% 4 76.33 1017.6
06 01:52 NW 30 G 52 16.09 Fair CLR 9.4 -1.7 13.3 9.4 46% 6 76.35 1017.9
06 00:52 NW 37 G 57 16.09 Fair and Breezy CLR 10 -0.6 48% 6 76.33 1017.3
05 23:52 NW 17 16.09 Partly Cloudy SCT055 10.6 -0.6 46% 76.33 1017.5
05 22:52 NW 20 G 39 16.09 Partly Cloudy SCT060 11.1 0.6 49% 76.3 1017.1
05 21:52 NW 26 G 54 16.09 Partly Cloudy SCT060 SCT250 12.2 1.7 49% 76.28 1016.7
05 20:52 NW 22 G 44 16.09 Partly Cloudy FEW080 SCT250 12.8 1.7 47% 76.17 1015.5
05 19:52 NW 22 G 46 16.09 Mostly Cloudy FEW050 BKN250 13.3 2.2 18.3 13.3 47% 76.07 1014.1 0.03
05 18:52 NW 26 G 46 16.09 Mostly Cloudy FEW050 BKN250 13.9 3.3 49% 76 1013.0
05 17:52 NW 31 G 52 16.09 Mostly Cloudy FEW050 BKN250 16.1 6.1 52% 75.9 1011.6
05 16:52 NW 26 G 39 16.09 Mostly Cloudy FEW050 SCT120 BKN250 17.8 8.9 56% 75.82 1010.5 0.03
05 15:52 NW 22 G 35 16.09 Mostly Cloudy FEW030 SCT110 BKN220 16.7 10 65% 75.79 1010.4
05 14:52 NW 17 16.09 Mostly Cloudy FEW012 SCT028 BKN044 BKN130 15 11.1 78% 75.84 1011.0 0.03
05 13:52 NW 20 12.87 Light Rain FEW009 BKN020 BKN036 OVC130 14.4 12.2 22.2 14.4 87% 75.84 1010.9 0.28 1.52
05 12:52 Calm 6.44 Rain Fog/Mist FEW010 SCT031 SCT049 OVC130 16.1 15 93% 75.87 1011.4 0.15
05 11:52 S 7 9.66 Light Rain Fog/Mist FEW017 BKN034 OVC070 15.6 14.4 93% 75.87 1011.3 0.89
05 10:52 W 26 G 54 4.83 Heavy Rain Fog/Mist FEW017 BKN025 OVC045 17.2 15 87% 75.92 1011.8 0.2 0.2
05 09:52 SW 19 G 35 16.09 Light Rain FEW025 SCT085 SCT120 BKN150 OVC220 21.7 16.1 71% 75.82 1010.5
05 08:52 S 31 G 57 16.09 Mostly Cloudy FEW025 SCT110 BKN160 BKN250 21.7 16.1 71% 75.79 1010.1
05 07:52 S 30 G 52 16.09 Mostly Cloudy FEW030 SCT110 BKN180 BKN250 21.1 15.6 23.3 20.6 71% 75.82 1010.5
05 06:52 S 22 G 46 16.09 Mostly Cloudy FEW110 SCT180 BKN250 20.6 15 70% 75.82 1010.5
05 05:52 S 31 G 43 16.09 Mostly Cloudy BKN160 21.1 14.4 66% 75.84 1010.9
05 04:52 S 28 G 50 16.09 Mostly Cloudy BKN160 22.2 14.4 61% 75.87 1011.0
05 03:52 S 30 G 41 16.09 Mostly Cloudy BKN160 22.8 13.9 57% 75.87 1011.2
05 02:52 S 24 G 37 16.09 Mostly Cloudy BKN160 22.8 14.4 59% 75.95 1012.0
05 01:52 S 30 G 44 16.09 Mostly Cloudy BKN140 23.3 14.4 26.7 23.3 57% 75.97 1012.6
05 00:52 S 24 G 35 16.09 Partly Cloudy SCT140 SCT200 23.3 14.4 57% 76.05 1013.3
04 23:52 S 20 G 41 16.09 A Few Clouds FEW120 FEW180 24.4 14.4 54% 26 76.1 1014.1
04 22:52 S 22 G 48 16.09 A Few Clouds FEW180 24.4 14.4 54% 26 76.12 1014.6
04 21:52 S 19 G 35 16.09 Fair CLR 25.6 13.9 48% 26 76.15 1014.9
04 20:52 S 17 G 35 16.09 Fair CLR 26.1 12.8 44% 26 76.12 1014.6
04 19:52 S 20 16.09 A Few Clouds FEW070 FEW250 26.7 12.8 30.6 26.1 42% 27 76.12 1014.6
04 18:52 S 20 G 35 16.09 Partly Cloudy FEW070 SCT250 27.8 12.2 38% 27 76.15 1014.8
04 17:52 S 28 G 39 16.09 Partly Cloudy FEW080 SCT250 28.9 12.8 37% 28 76.15 1015.0
04 16:52 S 24 G 43 16.09 Partly Cloudy FEW080 SCT250 30.6 13.3 35% 30 76.17 1015.4
04 15:52 S 17 G 31 16.09 Partly Cloudy FEW070 SCT250 30.6 14.4 37% 30 76.25 1016.3
04 14:52 S 19 16.09 Mostly Cloudy FEW065 SCT100 BKN250 30 15 40% 30 76.33 1017.4
04 13:52 Vrbl 9 16.09 Partly Cloudy FEW070 FEW100 SCT250 29.4 15 29.4 20 42% 29 76.4 1018.3
04 12:52 S 13 16.09 A Few Clouds FEW100 FEW250 28.3 15 44% 28 76.45 1019.1
04 11:52 Vrbl 9 16.09 A Few Clouds FEW100 FEW250 26.7 16.1 52% 27 76.53 1020.0
04 10:52 S 13 16.09 A Few Clouds FEW090 FEW250 25 15.6 56% 26 76.58 1020.5
04 09:52 S 13 16.09 Partly Cloudy FEW090 SCT120 SCT250 23.9 16.1 62% 25 76.58 1020.8
04 08:52 S 15 16.09 Mostly Cloudy SCT090 SCT110 BKN250 21.7 15.6 68% 76.61 1021.0
04 07:52 S 9 16.09 Mostly Cloudy BKN080 BKN250 20 15.6 21.1 19.4 76% 76.61 1020.9
04 06:52 S 11 16.09 Mostly Cloudy BKN085 BKN100 BKN250 19.4 15 76% 76.56 1020.5
04 05:52 S 11 16.09 Mostly Cloudy BKN090 BKN250 20 15 73% 76.53 1020.1
04 04:52 S 17 16.09 Light Rain BKN090 BKN250 20.6 14.4 68% 76.56 1020.2
04 03:52 S 13 16.09 Overcast OVC085 20.6 13.9 66% 76.56 1020.4
04 02:52 S 13 16.09 Mostly Cloudy FEW080 BKN130 BKN250 21.1 13.3 61% 76.56 1020.5
04 01:52 S 15 16.09 Mostly Cloudy FEW095 BKN250 21.1 13.3 25 21.1 61% 76.58 1020.6
04 00:52 S 15 16.09 Partly Cloudy FEW095 SCT250 22.2 13.3 57% 76.56 1020.5
03 23:52 S 19 16.09 Partly Cloudy FEW110 SCT250 22.8 13.3 55% 76.56 1020.3
03 22:52 S 13 16.09 Mostly Cloudy BKN110 BKN250 23.3 13.9 56% 76.56 1020.5
03 21:52 S 15 16.09 Mostly Cloudy BKN100 BKN250 24.4 13.9 52% 26 76.56 1020.5
03 20:52 S 17 16.09 Mostly Cloudy FEW075 BKN120 BKN250 25 13.9 50% 26 76.53 1020.1
03 19:52 S 13 16.09 Mostly Cloudy SCT075 BKN120 BKN250 25 13.9 28.9 22.8 50% 26 76.5 1019.7
03 18:52 S 13 16.09 Mostly Cloudy SCT075 BKN120 BKN250 26.7 13.9 45% 27 76.5 1019.8
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)