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.
14 16:52 S 26 G 37 16.09 Partly Cloudy FEW065 FEW110 FEW180 SCT250 30 12.8 35% 29 76 1013.0
14 15:52 SW 20 G 33 16.09 Partly Cloudy FEW065 FEW180 SCT250 29.4 12.2 35% 29 76.05 1013.7
14 14:52 SW 19 G 30 16.09 Partly Cloudy FEW060 SCT180 SCT250 30 12.2 33% 29 76.12 1014.6
14 13:52 SW 19 16.09 Partly Cloudy SCT100 SCT250 28.9 12.2 29.4 17.8 36% 28 76.2 1015.8
14 12:52 W 19 G 39 16.09 Partly Cloudy SCT110 SCT250 28.9 10.6 32% 28 76.25 1016.4
14 11:52 S 15 G 30 16.09 Partly Cloudy SCT100 SCT250 27.8 11.1 35% 27 76.3 1017.0
14 10:52 SW 17 G 26 16.09 Mostly Cloudy BKN100 BKN250 27.2 11.1 37% 27 76.35 1017.5
14 09:52 S 11 16.09 Mostly Cloudy BKN095 BKN120 23.3 12.8 52% 76.38 1018.0
14 08:52 S 9 16.09 Mostly Cloudy FEW090 FEW120 BKN250 20.6 12.8 61% 76.4 1018.2
14 07:52 S 6 16.09 Mostly Cloudy BKN090 BKN250 17.8 12.2 18.3 12.2 70% 76.4 1018.3
14 06:52 Calm 16.09 Partly Cloudy FEW140 SCT250 12.2 10.6 90% 76.38 1018.0
14 05:52 Calm 16.09 A Few Clouds FEW100 13.9 11.1 83% 76.35 1017.6
14 04:52 SW 9 16.09 Partly Cloudy SCT100 15 11.1 78% 76.33 1017.5
14 03:52 SW 9 16.09 Fair CLR 14.4 10.6 78% 76.33 1017.3
14 02:52 SW 9 16.09 Fair CLR 17.8 11.1 65% 76.3 1017.0
14 01:52 S 7 16.09 Fair CLR 17.8 11.1 23.3 17.2 65% 76.33 1017.4
14 00:52 S 15 16.09 Fair CLR 18.9 11.1 61% 76.35 1017.7
13 23:52 SW 17 16.09 Fair CLR 19.4 11.1 59% 76.33 1017.5
13 22:52 S 17 16.09 A Few Clouds FEW250 20 11.1 57% 76.38 1017.8
13 21:52 S 11 16.09 A Few Clouds FEW250 20 11.1 57% 76.38 1018.0
13 20:52 SW 15 16.09 A Few Clouds FEW050 FEW250 22.2 11.1 50% 76.35 1017.7
13 19:52 SW 19 16.09 A Few Clouds FEW050 FEW250 23.3 10.6 26.1 23.3 45% 76.33 1017.3
13 18:52 SW 19 16.09 Partly Cloudy FEW070 SCT250 25 11.1 42% 26 76.33 1017.2
13 17:52 SW 22 G 35 16.09 Mostly Cloudy FEW070 BKN220 25 11.1 42% 26 76.33 1017.5
13 16:52 SW 24 G 35 16.09 Mostly Cloudy FEW070 BKN140 BKN220 25.6 11.7 42% 26 76.33 1017.3
13 15:52 SW 28 G 48 16.09 Mostly Cloudy FEW070 BKN140 BKN180 25 11.7 43% 26 76.35 1017.7
13 14:52 SW 22 G 39 16.09 Overcast FEW050 BKN140 OVC180 25 11.7 43% 26 76.4 1018.4
13 13:52 S 33 G 44 16.09 Mostly Cloudy and Breezy FEW050 BKN130 BKN200 24.4 12.2 24.4 19.4 47% 26 76.43 1018.8
13 12:52 S 26 G 39 16.09 Mostly Cloudy SCT130 BKN200 BKN250 23.3 13.3 54% 76.48 1019.4
13 11:52 SW 17 16.09 Light Rain BKN110 OVC200 22.8 13.3 55% 76.53 1020.0
13 10:52 S 22 G 35 16.09 Overcast FEW110 BKN160 OVC250 24.4 13.3 50% 26 76.56 1020.5
13 09:52 SW 26 G 43 16.09 Mostly Cloudy SCT160 BKN250 22.8 13.9 57% 76.56 1020.5
13 08:52 SW 24 G 41 16.09 Mostly Cloudy BKN150 BKN250 21.1 13.9 64% 76.58 1020.7
13 07:52 S 22 G 39 16.09 Mostly Cloudy BKN160 BKN250 19.4 13.9 19.4 15 71% 76.58 1020.9
13 06:52 S 17 16.09 Mostly Cloudy SCT170 BKN240 17.8 13.9 78% 76.61 1020.9
13 05:52 S 13 16.09 Overcast SCT170 OVC240 16.1 13.3 84% 76.56 1020.5
13 04:52 S 19 16.09 Overcast BKN170 OVC200 16.1 12.8 81% 76.56 1020.5
13 03:52 S 15 16.09 Overcast OVC200 15.6 11.7 78% 76.58 1020.8
13 02:52 S 13 16.09 Overcast OVC250 15 11.1 78% 76.61 1021.2
13 01:52 S 15 16.09 Overcast OVC250 15 10.6 17.8 15 75% 76.68 1022.3
13 00:52 S 11 16.09 Mostly Cloudy BKN250 15 10 72% 76.76 1023.1
12 23:52 S 9 16.09 Mostly Cloudy BKN250 15 9.4 69% 76.81 1023.7
12 22:52 S 11 16.09 Mostly Cloudy BKN250 15.6 8.3 62% 76.84 1024.3
12 21:52 SE 13 16.09 Mostly Cloudy BKN250 16.1 7.8 58% 76.84 1024.4
12 20:52 SE 15 16.09 Mostly Cloudy BKN250 16.7 6.1 50% 76.84 1024.3
12 19:52 SE 20 G 39 16.09 Mostly Cloudy FEW120 BKN250 17.8 5 22.8 17.8 43% 76.81 1024.1
12 18:52 SE 22 G 43 16.09 Mostly Cloudy FEW180 BKN250 19.4 6.1 42% 76.84 1024.4
12 17:52 SE 24 G 39 16.09 Mostly Cloudy FEW160 BKN200 BKN250 20.6 6.7 41% 76.86 1024.6
12 16:52 SE 28 G 43 16.09 Mostly Cloudy FEW160 SCT200 BKN250 21.1 7.2 41% 76.89 1024.9
12 15:52 SE 20 G 37 16.09 Mostly Cloudy FEW180 BKN250 22.2 7.2 38% 76.91 1025.4
12 14:52 S 20 16.09 Mostly Cloudy BKN250 21.7 6.7 38% 77.01 1026.7
12 13:52 S 11 G 30 16.09 Mostly Cloudy BKN250 21.1 6.7 21.7 10.6 39% 77.11 1028.1
12 12:52 S 17 G 41 16.09 Mostly Cloudy FEW050 BKN250 20 6.7 42% 77.19 1029.1
12 11:52 S 20 G 33 16.09 Mostly Cloudy FEW045 BKN250 19.4 6.7 44% 77.27 1030.1
12 10:52 S 19 16.09 Mostly Cloudy FEW040 BKN250 17.2 6.1 48% 77.32 1030.6
12 09:52 SE 13 16.09 A Few Clouds FEW250 16.1 7.8 58% 77.34 1030.9
12 08:52 E 11 16.09 Mostly Cloudy BKN250 12.8 6.7 67% 77.34 1031.0
12 07:52 E 7 16.09 Mostly Cloudy FEW060 BKN250 10.6 6.1 10.6 5.6 74% 77.34 1031.0
12 06:52 E 9 16.09 Partly Cloudy FEW065 FEW150 SCT250 7.8 5.6 86% 6 77.27 1030.2
12 05:52 Calm 16.09 Mostly Cloudy BKN065 7.2 4.4 83% 77.24 1029.8
12 04:52 Calm 16.09 Mostly Cloudy BKN070 6.1 3.9 86% 77.22 1029.4
12 03:52 E 6 16.09 Partly Cloudy SCT070 7.2 4.4 83% 77.19 1028.9
12 02:52 Calm 16.09 A Few Clouds FEW070 6.7 3.9 83% 77.17 1028.7
12 01:52 Calm 16.09 A Few Clouds FEW250 8.3 3.9 17.2 7.2 74% 77.17 1028.6
12 00:52 Calm 16.09 A Few Clouds FEW070 8.9 3.9 71% 77.17 1028.6
11 23:52 Calm 16.09 A Few Clouds FEW250 9.4 3.9 69% 77.11 1028.0
11 22:52 Calm 16.09 Fair CLR 11.1 3.9 61% 77.09 1027.5
11 21:52 Calm 16.09 Fair CLR 12.2 3.9 57% 77.06 1027.3
11 20:52 E 6 16.09 Fair CLR 13.9 3.3 49% 77.01 1026.5
11 19:52 NE 13 16.09 A Few Clouds FEW250 16.7 3.3 21.7 16.7 41% 76.96 1025.9
11 18:52 N 20 16.09 A Few Clouds FEW250 20 1.1 28% 76.89 1024.9
11 17:52 NW 7 16.09 A Few Clouds FEW250 21.1 1.7 28% 76.89 1024.9
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)