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.
25 00:52 S 7 16.09 A Few Clouds FEW250 20.6 17.8 84% 75.9 1011.6
24 23:52 S 9 16.09 A Few Clouds FEW200 20.6 16.7 78% 75.9 1011.6
24 22:52 S 7 16.09 A Few Clouds FEW200 20.6 16.7 78% 75.9 1011.5
24 21:52 SW 6 16.09 A Few Clouds FEW100 FEW200 22.2 17.2 73% 75.87 1011.2
24 20:52 S 7 16.09 Partly Cloudy FEW100 SCT200 23.9 16.7 64% 25 75.79 1010.1
24 19:52 S 7 16.09 Mostly Cloudy FEW035 FEW070 BKN200 25.6 16.7 30.6 25.6 58% 26 75.77 1009.8
24 18:52 S 7 16.09 Partly Cloudy FEW070 SCT150 27.2 17.2 54% 28 75.77 1009.8
24 17:52 W 6 16.09 Mostly Cloudy FEW065 SCT150 BKN250 28.3 15.6 46% 28 75.79 1010.3
24 16:52 Calm 16.09 Mostly Cloudy FEW070 BKN150 30 15.6 42% 30 75.77 1010.0
24 15:52 Calm 16.09 Mostly Cloudy SCT070 BKN110 BKN250 30 16.1 43% 30 75.82 1010.4
24 14:52 SE 7 16.09 Mostly Cloudy SCT050 BKN080 BKN130 28.3 16.7 49% 29 75.84 1010.9
24 13:52 NE 7 16.09 Mostly Cloudy SCT047 BKN130 28.3 16.7 28.9 22.2 49% 29 75.84 1010.7
24 12:52 NE 6 16.09 Mostly Cloudy FEW050 BKN110 BKN250 27.8 16.1 49% 28 75.9 1011.5
24 11:52 N 17 16.09 Mostly Cloudy FEW045 SCT080 BKN130 BKN250 27.8 15.6 47% 28 75.95 1012.2
24 10:52 N 9 16.09 Mostly Cloudy BKN130 BKN250 26.1 18.3 62% 27 75.95 1012.3
24 09:52 N 6 16.09 Mostly Cloudy BKN120 BKN220 23.9 18.3 71% 25 75.95 1012.3
24 08:52 NW 9 16.09 Mostly Cloudy FEW050 BKN110 BKN220 23.3 17.8 71% 75.97 1012.6
24 07:52 N 9 16.09 Overcast FEW050 BKN090 OVC200 22.2 18.3 22.2 18.9 79% 75.95 1012.2
24 06:52 NW 6 16.09 Overcast FEW075 BKN140 OVC200 20.6 17.8 84% 75.95 1012.0
24 05:52 Calm 16.09 Mostly Cloudy SCT075 BKN180 20 18.3 90% 75.9 1011.4
24 04:52 Calm 16.09 Mostly Cloudy SCT140 BKN200 20 17.8 87% 75.87 1011.1
24 03:52 Calm 16.09 Overcast FEW140 OVC180 19.4 17.8 91% 75.9 1011.4
24 02:52 NE 7 16.09 Overcast SCT140 OVC230 20.6 18.3 87% 75.87 1011.1
24 01:52 Calm 16.09 Overcast BKN050 BKN140 OVC250 19.4 17.8 22.8 19.4 91% 75.9 1011.4
24 00:52 Calm 16.09 Overcast BKN050 BKN140 OVC220 20 17.8 87% 75.95 1012.1
23 23:52 Calm 16.09 Mostly Cloudy SCT010 BKN050 BKN140 20.6 17.8 84% 75.97 1012.6
23 22:52 Calm 16.09 Mostly Cloudy BKN060 BKN140 21.7 17.2 76% 75.97 1012.7
23 21:52 Calm 16.09 Mostly Cloudy FEW047 BKN100 BKN160 20 17.2 84% 75.95 1012.3
23 20:52 Calm 16.09 Mostly Cloudy FEW046TCU BKN100 BKN160 22.2 17.2 73% 75.95 1012.0
23 19:52 E 15 16.09 Light Rain FEW014 SCT040CB BKN100 BKN160 22.8 17.2 30.6 22.8 71% 75.95 1012.1
23 18:52 SW 11 16.09 Thunderstorm FEW026 SCT044CB BKN120 BKN200 26.7 17.8 58% 28 75.92 1011.9
23 17:52 S 11 16.09 Mostly Cloudy SCT044CB BKN070 BKN160 28.9 17.8 51% 30 75.92 1011.8
23 16:52 Vrbl 6 16.09 Mostly Cloudy SCT040CB BKN120 BKN250 28.9 17.8 51% 30 75.92 1011.9
23 15:52 SW 7 16.09 Mostly Cloudy FEW045 BKN150 BKN250 30 18.3 49% 31 75.95 1012.2
23 14:52 NW 9 16.09 Mostly Cloudy FEW040 SCT130 BKN250 29.4 18.3 51% 30 76 1012.9
23 13:52 W 6 16.09 Mostly Cloudy FEW040 BKN130 BKN250 28.3 16.1 28.3 22.2 48% 29 76.05 1013.5 0.13
23 12:52 N 11 16.09 Mostly Cloudy FEW040 SCT160 BKN250 26.7 18.3 60% 28 76.05 1013.6
23 11:52 NW 13 11.27 Mostly Cloudy BKN085 BKN110 24.4 19.4 74% 25 76.1 1014.2
23 10:52 W 9 11.27 Overcast OVC095 23.3 19.4 79% 76.1 1014.3 0.13
23 09:52 W 7 11.27 Overcast SCT060 BKN080 OVC100 23.3 18.9 76% 76.1 1014.1 0.1
23 08:52 W 9 11.27 Light Rain BKN085 OVC110 23.3 18.3 74% 76.1 1014.1 0.03
23 07:52 W 6 16.09 Mostly Cloudy BKN095 BKN140 22.8 19.4 24.4 21.1 81% 76.02 1013.2
23 06:52 Calm 16.09 Light Rain BKN110 BKN160 21.7 18.9 84% 75.97 1012.5
23 05:52 Calm 16.09 Overcast BKN110 OVC150 21.7 18.3 81% 75.9 1011.5
23 04:52 SW 7 16.09 Mostly Cloudy FEW070 BKN130 BKN250 22.2 18.3 79% 75.9 1011.5
23 03:52 SW 6 16.09 Mostly Cloudy FEW070 BKN250 22.8 18.3 76% 75.9 1011.5
23 02:52 S 13 16.09 Mostly Cloudy FEW100 BKN250 23.3 18.3 74% 75.9 1011.4
23 01:52 S 17 16.09 Mostly Cloudy BKN250 24.4 18.9 28.9 23.9 72% 25 75.9 1011.5
23 00:52 SW 13 16.09 Mostly Cloudy BKN250 25 18.9 69% 26 75.95 1012.2
22 23:52 SW 17 16.09 Mostly Cloudy BKN250 26.1 18.9 65% 27 75.95 1012.1
22 22:52 S 15 16.09 Partly Cloudy SCT250 27.2 19.4 62% 29 75.95 1012.1
22 21:52 S 17 16.09 A Few Clouds FEW100 27.2 19.4 62% 29 75.92 1011.8
22 20:52 S 9 16.09 Partly Cloudy FEW050TCU SCT120 SCT200 27.2 20 65% 29 75.92 1011.9
22 19:52 S 13 16.09 Partly Cloudy FEW050 FEW120 SCT200 28.9 20 32.8 28.9 59% 31 75.9 1011.5
22 18:52 S 9 16.09 Mostly Cloudy FEW050 BKN120 BKN200 29.4 20 57% 31 75.9 1011.4
22 17:52 S 13 16.09 Mostly Cloudy FEW050CB BKN120 BKN200 31.1 20 52% 33 75.9 1011.4
22 16:52 S 13 16.09 Mostly Cloudy SCT048CB BKN200 29.4 20 57% 31 75.97 1012.5
22 15:52 S 15 16.09 Mostly Cloudy FEW033 SCT050CB BKN200 31.7 20.6 52% 34 75.92 1011.9
22 14:52 SW 13 16.09 Mostly Cloudy SCT060TCU BKN200 32.2 18.9 45% 34 75.97 1012.6
22 13:52 S 15 16.09 Mostly Cloudy FEW060 FEW110 BKN250 31.7 19.4 31.7 20.6 48% 33 76.05 1013.4
22 12:52 Vrbl 9 16.09 Mostly Cloudy FEW050 BKN250 30 18.9 51% 31 76.1 1014.1
22 11:52 SW 11 16.09 A Few Clouds FEW040 FEW250 28.9 18.9 55% 30 76.12 1014.6
22 10:52 Vrbl 9 16.09 A Few Clouds FEW100 FEW250 26.7 18.3 60% 28 76.15 1014.8
22 09:52 Calm 16.09 A Few Clouds FEW095 FEW140 24.4 17.2 64% 25 76.17 1015.3
22 08:52 S 9 16.09 A Few Clouds FEW110 FEW250 22.8 17.2 71% 76.2 1015.4
22 07:52 S 11 16.09 A Few Clouds FEW100 FEW250 20.6 16.7 20.6 17.8 78% 76.2 1015.5
22 06:52 Calm 16.09 A Few Clouds FEW100 18.3 16.1 87% 76.17 1015.3
22 04:52 S 7 16.09 Fair CLR 17.8 15.6 87% 76.12 1014.7
22 03:52 S 9 16.09 Fair CLR 18.3 15.6 84% 76.15 1014.9
22 02:52 S 7 16.09 Fair CLR 18.9 15.6 81% 76.15 1014.7
22 01:52 S 9 16.09 Fair CLR 19.4 15.6 25 19.4 79% 76.17 1015.1
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)