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.
07 17:52 S 20 16.09 A Few Clouds FEW075 FEW100 16.7 6.1 50% 75.64 1008.4
07 16:52 S 13 16.09 Partly Cloudy FEW070 SCT100 17.2 5.6 47% 75.64 1008.4
07 15:52 Vrbl 9 16.09 Partly Cloudy SCT070 SCT100 17.2 2.2 37% 75.64 1008.5
07 14:52 Calm 16.09 Partly Cloudy FEW070 SCT100 16.7 1.1 35% 75.72 1009.3
07 13:52 Vrbl 7 16.09 Mostly Cloudy FEW080 BKN100 16.7 3.3 17.2 12.2 41% 75.77 1009.9
07 12:52 SE 11 16.09 Mostly Cloudy BKN095 BKN110 16.1 2.8 41% 75.84 1011.0
07 11:52 Vrbl 9 16.09 Mostly Cloudy FEW070 BKN090 14.4 1.1 41% 75.92 1011.9
07 10:52 N 11 16.09 Mostly Cloudy FEW055 BKN070 13.3 1.1 44% 75.95 1012.5
07 09:52 N 17 G 30 16.09 Overcast SCT047 OVC060 12.8 1.1 45% 76 1013.0
07 08:52 NW 17 16.09 Mostly Cloudy FEW020 BKN050 12.8 2.2 49% 75.97 1012.9
07 07:52 NW 15 16.09 Mostly Cloudy FEW020 BKN050 12.8 5 13.9 12.8 59% 75.97 1012.7
07 06:52 N 17 16.09 Overcast FEW009 OVC048 12.8 5 59% 75.95 1012.2
07 05:52 N 20 16.09 Overcast OVC047 12.8 5 59% 75.9 1011.6
07 04:52 NW 11 16.09 Overcast OVC043 13.3 7.8 70% 75.87 1011.4
07 03:52 N 11 16.09 Overcast OVC041 13.3 8.3 72% 75.82 1010.7
07 02:52 N 19 16.09 Overcast OVC036 13.3 8.3 72% 75.82 1010.8
07 01:52 N 19 16.09 Light Rain SCT028 OVC034 13.9 9.4 19.4 13.3 74% 75.84 1011.0 0.03 0.15
07 00:52 N 15 16.09 Light Rain FEW026 OVC036 14.4 11.1 81% 75.82 1010.8 0.08
06 23:52 N 17 16.09 Overcast OVC033 16.1 10.6 70% 75.79 1010.5
06 22:52 N 19 G 30 16.09 Overcast OVC030 17.2 11.7 70% 75.77 1009.9 0.05
06 21:52 N 17 16.09 Overcast OVC028 18.3 14.4 78% 75.72 1009.4
06 20:52 NW 20 G 37 16.09 Overcast OVC025 19.4 15 76% 75.74 1009.5 0.05
06 19:52 SW 7 8.05 Light Rain BKN027 OVC038 19.4 16.7 21.7 18.9 84% 75.67 1008.7 0.03 0.03
06 18:52 SW 7 16.09 Overcast SCT048 OVC070 21.1 15.6 71% 75.62 1008.0
06 17:52 S 17 16.09 A Few Clouds FEW023 FEW085 21.7 16.1 71% 75.59 1007.7
06 16:52 SW 20 16.09 Mostly Cloudy SCT022 BKN065 BKN150 21.7 16.1 71% 75.57 1007.3
06 15:52 S 26 G 37 16.09 Overcast FEW021 OVC075 20.6 15.6 73% 75.59 1007.5
06 14:52 S 30 G 41 16.09 Mostly Cloudy FEW018 SCT070 BKN150 20 15 73% 75.59 1007.7
06 13:52 S 24 G 37 11.27 Mostly Cloudy BKN018 18.9 15 18.9 15.6 78% 75.64 1008.4 0.53
06 12:52 S 31 G 44 11.27 Overcast OVC017 18.3 14.4 78% 75.69 1008.8
06 11:52 S 28 G 56 11.27 Overcast OVC016 17.2 15 87% 75.69 1008.7 0.03
06 10:52 S 19 G 39 11.27 Light Rain SCT055 OVC090 15.6 14.4 93% 75.72 1009.2 0.08 0.51
06 09:52 S 24 G 37 8.05 Light Rain Fog/Mist BKN065 OVC100 15.6 14.4 93% 75.74 1009.5 0.36
06 08:52 S 19 11.27 Light Rain FEW070 OVC100 16.7 14.4 86% 75.79 1010.1 0.08
06 07:52 S 20 12.87 Light Rain OVC100 17.2 13.3 21.7 17.2 78% 75.77 1009.8
06 06:52 S 22 G 41 16.09 Overcast BKN095 OVC120 18.3 12.8 70% 75.69 1008.9
06 05:52 S 20 G 41 16.09 Light Rain FEW075 BKN100 OVC120 18.9 12.2 65% 75.69 1008.6
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
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)