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 04:52 S 28 G 44 16.09 Mostly Cloudy SCT100 BKN160 19.4 11.7 61% 75.69 1008.8
06 03:52 S 31 G 50 16.09 Mostly Cloudy BKN200 20 11.7 59% 75.69 1008.9
06 02:52 S 28 G 41 16.09 Mostly Cloudy BKN100 20.6 11.1 55% 75.72 1009.3
06 01:52 S 24 G 44 16.09 Mostly Cloudy BKN170 21.7 10.6 25.6 21.7 49% 75.77 1009.7
06 00:52 S 20 G 39 16.09 Mostly Cloudy BKN170 21.7 10.6 49% 75.79 1010.1
05 23:52 S 22 G 39 16.09 Mostly Cloudy BKN180 BKN210 22.2 9.4 44% 75.79 1010.1
05 22:52 S 22 16.09 Fair CLR 22.2 8.3 41% 75.79 1010.1
05 21:52 S 22 G 37 16.09 Fair CLR 22.8 7.2 37% 75.77 1010.0
05 20:52 S 22 G 37 16.09 Partly Cloudy FEW100 SCT200 23.9 6.1 32% 25 75.74 1009.4
05 19:52 S 26 G 48 16.09 Mostly Cloudy BKN100 BKN200 25.6 4.4 29.4 25.6 26% 25 75.69 1008.8
05 18:52 S 20 G 43 16.09 Fair CLR 26.7 4.4 24% 26 75.69 1008.8
05 17:52 SW 26 G 54 16.09 Mostly Cloudy SCT100 BKN200 27.8 5.6 24% 27 75.67 1008.6
05 16:52 SW 28 G 50 16.09 Mostly Cloudy FEW050 SCT100 BKN200 28.3 5 23% 27 75.67 1008.5
05 15:52 SW 35 G 54 16.09 Mostly Cloudy and Breezy FEW100 BKN200 28.9 5 22% 27 75.67 1008.6
05 14:52 SW 35 G 56 16.09 Mostly Cloudy and Breezy FEW100 BKN200 28.3 5.6 24% 27 75.74 1009.5
05 13:52 SW 30 G 43 16.09 Partly Cloudy FEW070 SCT250 28.3 8.3 28.3 16.7 28% 27 75.79 1010.3
05 12:52 SW 28 G 41 16.09 A Few Clouds FEW070 FEW250 27.2 7.2 28% 26 75.84 1010.8
05 11:52 S 26 G 37 16.09 A Few Clouds FEW070 FEW250 26.1 8.9 34% 26 75.92 1011.8
05 10:52 S 17 G 33 16.09 A Few Clouds FEW250 24.4 9.4 39% 25 75.92 1011.8
05 09:52 S 19 16.09 A Few Clouds FEW250 21.7 8.9 44% 75.92 1012.0
05 08:52 SW 17 16.09 Partly Cloudy FEW130 SCT250 19.4 7.8 47% 75.95 1012.2
05 07:52 S 20 16.09 Partly Cloudy FEW130 SCT250 16.7 7.2 17.2 14.4 54% 75.95 1012.2
05 06:52 S 20 16.09 Mostly Cloudy SCT100 BKN230 15.6 6.7 56% 75.9 1011.6
05 05:52 S 19 16.09 A Few Clouds FEW120 FEW250 14.4 7.2 62% 75.87 1011.3
05 04:52 S 19 16.09 Fair CLR 15.6 7.2 58% 75.84 1010.9
05 03:52 S 15 16.09 Fair CLR 15.6 8.3 62% 75.82 1010.6
05 02:52 S 15 16.09 Fair CLR 16.1 8.3 60% 75.82 1010.5
05 01:52 S 15 16.09 Fair CLR 16.7 8.9 22.2 16.1 60% 75.79 1010.4
05 00:52 S 13 16.09 A Few Clouds FEW120 17.8 8.9 56% 75.82 1010.5
04 23:52 S 15 16.09 A Few Clouds FEW120 FEW250 17.8 8.9 56% 75.82 1010.6
04 22:52 SW 19 16.09 Fair CLR 18.9 8.3 50% 75.82 1010.5
04 21:52 S 20 16.09 A Few Clouds FEW100 20.6 7.2 42% 75.79 1010.3
04 20:52 SW 17 16.09 Mostly Cloudy BKN100 21.7 6.7 38% 75.74 1009.6
04 19:52 S 17 G 31 16.09 Mostly Cloudy BKN095 22.2 6.7 25.6 22.2 37% 75.74 1009.5
04 18:52 S 24 16.09 A Few Clouds FEW100 FEW200 22.8 6.1 34% 75.72 1009.3
04 17:52 S 26 G 43 16.09 A Few Clouds FEW100 24.4 5.6 30% 25 75.69 1009.0
04 16:52 S 22 G 41 16.09 Partly Cloudy FEW070 SCT200 25 5 28% 25 75.72 1009.1
04 15:52 SW 19 G 33 16.09 Partly Cloudy FEW080 SCT220 25.6 5.6 28% 26 75.74 1009.7
04 14:52 SW 19 G 35 16.09 Partly Cloudy FEW080 SCT220 24.4 4.4 27% 25 75.82 1010.8
04 13:52 S 24 G 35 16.09 Partly Cloudy FEW050 SCT220 23.3 4.4 23.3 10.6 29% 75.9 1011.8
04 12:52 Vrbl 9 16.09 A Few Clouds FEW200 21.7 4.4 32% 75.97 1012.7
04 11:52 SW 19 G 30 16.09 A Few Clouds FEW200 20.6 3.3 32% 76.02 1013.4
04 10:52 S 15 16.09 A Few Clouds FEW120 18.9 2.2 33% 76.07 1013.9
04 09:52 S 11 16.09 Fair CLR 16.7 2.8 40% 76.07 1014.2
04 08:52 S 15 16.09 A Few Clouds FEW100 13.3 3.3 51% 76.1 1014.7
04 07:52 S 11 16.09 A Few Clouds FEW100 10.6 2.8 10.6 6.7 59% 76.15 1015.0
04 06:52 S 11 16.09 Mostly Cloudy BKN095 9.4 2.2 61% 8 76.15 1015.0
04 05:52 S 9 16.09 Mostly Cloudy BKN100 BKN110 9.4 1.1 56% 8 76.15 1014.9
04 04:52 S 7 16.09 Overcast OVC090 10 1.1 54% 9 76.15 1015.2
04 03:52 Calm 16.09 Overcast OVC100 10 0.6 52% 76.15 1015.2
04 02:52 Calm 16.09 Overcast OVC100 7.2 3.3 77% 76.17 1015.4
04 01:52 Calm 16.09 Mostly Cloudy BKN120 6.7 2.2 15 5 73% 76.2 1015.8
04 00:52 SE 6 16.09 Mostly Cloudy BKN150 5 0.6 73% 76.2 1015.9
03 23:52 S 6 16.09 A Few Clouds FEW100 FEW250 7.2 0 61% 76.2 1015.7
03 22:52 S 6 16.09 Fair CLR 7.8 0 58% 76.17 1015.6
03 21:52 SE 6 16.09 A Few Clouds FEW250 7.2 0 61% 76.15 1015.0
03 20:52 SW 6 16.09 A Few Clouds FEW250 10.6 -1.1 45% 76.12 1014.8
03 19:52 W 7 16.09 A Few Clouds FEW250 15 -3.9 17.2 13.9 27% 76.07 1014.3
03 18:52 W 17 16.09 A Few Clouds FEW085 FEW250 16.7 -4.4 23% 76.05 1014.0
03 17:52 W 13 16.09 A Few Clouds FEW085 17.2 -3.9 24% 76.07 1014.2
03 16:52 W 17 G 35 16.09 A Few Clouds FEW085 16.7 -3.9 24% 76.07 1014.3
03 15:52 NW 24 G 39 16.09 A Few Clouds FEW080 16.7 -3.3 25% 76.15 1015.1
03 14:52 W 19 G 35 16.09 A Few Clouds FEW075 15.6 -3.3 27% 76.2 1015.9
03 13:52 NW 15 G 37 16.09 Partly Cloudy SCT070 14.4 -2.8 15 7.2 31% 76.23 1016.4
03 12:52 NW 20 G 35 16.09 Partly Cloudy SCT070 13.9 -3.3 30% 76.28 1016.7
03 11:52 W 15 G 37 16.09 Partly Cloudy SCT060 11.7 -3.3 35% 76.33 1017.4
03 10:52 NW 17 G 39 16.09 Partly Cloudy SCT060 10.6 -3.3 38% 76.33 1017.7
03 09:52 NW 24 G 33 16.09 Partly Cloudy SCT050 10.6 -2.8 39% 76.35 1017.9
03 08:52 NW 17 G 30 16.09 A Few Clouds FEW020 8.9 -2.2 46% 7 76.35 1017.9
03 07:52 NW 19 G 33 16.09 Fair CLR 7.2 -1.7 7.2 4.4 54% 4 76.33 1017.6
03 06:52 NW 11 16.09 Fair CLR 5 -0.6 67% 3 76.25 1016.6
03 05:52 NW 11 16.09 A Few Clouds FEW080 5 -0.6 67% 3 76.2 1015.7
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)