Weather observations for the past three days for
Washington/Dulles International Airport, DC
Imperial (Metric)
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
13 02:52 Calm 10.00 Fair CLR 57 54 90% 30.16 1021.2
13 01:52 SE 3 10.00 Fair CLR 59 54 72 55.9 83% 30.17 1021.3
13 00:52 Calm 10.00 Fair CLR 57.9 54 87% 30.18 1021.7
12 23:52 Calm 10.00 Fair CLR 59 54 83% 30.18 1021.7
12 22:52 SW 3 10.00 Fair CLR 63 54 73% 30.17 1021.6
12 21:52 Calm 10.00 Fair CLR 66 54 65% 30.17 1021.5
12 20:52 S 3 10.00 Fair CLR 69.1 53.1 57% 30.17 1021.5
12 19:52 SE 6 10.00 A Few Clouds FEW070 72 52 84 72 50% 30.16 1021.3
12 18:52 E 8 10.00 A Few Clouds FEW070 77 46.9 35% 78 30.16 1021.2
12 17:52 E 9 10.00 A Few Clouds FEW070 81 46.9 30% 80 30.16 1021.0
12 16:52 E 7 10.00 A Few Clouds FEW070 82 48.9 32% 81 30.16 1020.9
12 15:52 E 8 10.00 Partly Cloudy SCT070 82 50 33% 81 30.16 1021.0
12 14:52 E 8 10.00 Partly Cloudy SCT070 82.9 50 32% 81 30.17 1021.4
12 13:52 N 7 10.00 Partly Cloudy SCT065 79 50 82.9 61 36% 79 30.18 1021.8
12 12:52 Vrbl 5 10.00 A Few Clouds FEW030 80.1 48.9 34% 79 30.19 1022.1
12 11:52 Vrbl 6 10.00 A Few Clouds FEW030 80.1 52 38% 80 30.21 1022.8
12 10:52 Vrbl 5 10.00 Fair CLR 77 54 45% 78 30.22 1023.1
12 09:52 N 7 10.00 Fair CLR 73 54 51% 30.22 1023.2
12 08:52 N 7 10.00 Fair CLR 68 54 61% 30.21 1022.8
12 07:52 NW 5 10.00 Fair CLR 61 57 63 55.9 87% 30.2 1022.6
12 06:52 NW 3 10.00 Fair CLR 60.1 57.9 93% 30.19 1022.1
12 05:52 NW 5 10.00 Fair CLR 59 59 100% 30.18 1021.7
12 04:52 Calm 10.00 Fair CLR 59 57.9 96% 30.17 1021.4
12 03:52 N 3 7.00 Fair CLR 59 59 100% 30.16 1021.1
12 02:52 Calm 7.00 Fair CLR 57.9 57.9 100% 30.16 1021.1
12 01:52 E 3 10.00 Fair CLR 57.9 57.9 72 57.9 100% 30.16 1021.1
12 00:52 Calm 10.00 Fair CLR 61 61 100% 30.15 1020.9
11 23:52 Calm 10.00 Fair CLR 62.1 61 96% 30.15 1020.9
11 22:52 Calm 10.00 Fair CLR 64 62.1 93% 30.15 1020.8
11 21:52 S 5 10.00 Fair CLR 66.9 62.1 84% 30.14 1020.6
11 20:52 S 6 10.00 A Few Clouds FEW085 69.1 62.1 78% 30.14 1020.4
11 19:52 SE 7 10.00 Partly Cloudy FEW065 FEW085 SCT120 72 61 84 72 68% 30.13 1020.0
11 18:52 E 7 10.00 Partly Cloudy FEW065 SCT085 75.9 60.1 58% 78 30.11 1019.5
11 17:52 E 10 10.00 Mostly Cloudy SCT047 BKN080 80.1 60.1 51% 81 30.1 1019.1
11 16:52 NE 10 10.00 Mostly Cloudy SCT060 BKN080 80.1 57 45% 80 30.1 1019.1
11 15:52 N 9 10.00 Mostly Cloudy SCT060 BKN080 81 55.9 42% 81 30.11 1019.2
11 14:52 N 3 10.00 Mostly Cloudy SCT065 BKN080 BKN250 82.9 51.1 33% 81 30.12 1019.6
11 13:52 Vrbl 6 10.00 Mostly Cloudy BKN060 BKN075 BKN250 81 54 81 62.1 39% 81 30.13 1020.1
11 12:52 Calm 10.00 Mostly Cloudy SCT040 BKN075 BKN250 79 57.9 49% 80 30.15 1020.6
11 11:52 NE 8 10.00 Partly Cloudy SCT025 SCT250 78.1 57.9 50% 79 30.16 1021.0
11 10:52 Vrbl 3 10.00 Partly Cloudy SCT025 SCT250 77 63 62% 79 30.17 1021.4
11 09:52 Calm 10.00 Partly Cloudy FEW035 FEW080 SCT250 72 63 73% 30.17 1021.5
11 08:52 NW 3 10.00 Partly Cloudy FEW085 SCT250 66.9 63 87% 30.16 1021.2
11 07:52 NW 3 8.00 Mostly Cloudy SCT085 BKN250 62.1 61 66 60.1 96% 30.16 1021.0
11 06:52 Calm 7.00 Partly Cloudy SCT085 60.1 60.1 100% 30.13 1020.3
11 05:52 W 3 10.00 Mostly Cloudy BKN085 62.1 61 96% 30.12 1019.8
11 04:52 W 3 10.00 Mostly Cloudy BKN085 63 62.1 97% 30.12 1019.8
11 03:52 Calm 7.00 Overcast SCT014 OVC085 64 63 96% 30.12 1019.9
11 02:52 Calm 7.00 Overcast BKN013 OVC080 64 64 100% 30.12 1019.8
11 01:52 Calm 10.00 Overcast OVC014 66 64 70 66 93% 30.14 1020.4 0.13
11 00:52 Calm 10.00 Light Rain FEW012 OVC070 66 64 93% 30.14 1020.4 0.01
10 23:52 N 3 8.00 Light Rain OVC060 66 64 93% 30.14 1020.6 0.06
10 22:52 NE 3 6.00 Light Drizzle Fog/Mist FEW008 BKN055 OVC070 66 64 93% 30.13 1020.2 0.03 0.06
10 21:52 E 5 4.00 Light Rain Fog/Mist OVC043 66 64 93% 30.12 1019.8 0.03
10 20:52 E 3 10.00 Overcast OVC046 69.1 62.1 78% 30.12 1019.9
10 19:52 NE 3 10.00 Overcast FEW030 OVC050 70 61 72 64.9 73% 30.12 1019.7
10 18:52 NE 5 10.00 Overcast SCT030 OVC055 72 61 68% 30.11 1019.6
10 17:52 N 6 10.00 Overcast BKN027 OVC065 72 61 68% 30.12 1019.8
10 16:52 NW 5 10.00 Overcast BKN023 OVC060 72 61 68% 30.13 1020.1
10 15:52 N 7 10.00 Overcast BKN019 OVC050 70 61 73% 30.14 1020.5
10 14:52 N 9 10.00 Overcast OVC012 68 60.1 76% 30.15 1020.9
10 13:52 N 10 6.00 Overcast with Haze BKN010 OVC014 64.9 60.1 66.9 59 84% 30.17 1021.6 0.01
10 12:52 N 9 6.00 Fog/Mist BKN009 OVC014 64 60.1 87% 30.18 1021.9 0.01
10 11:52 N 9 3.00 Light Rain Fog/Mist BKN007 OVC010 62.1 60.1 93% 30.19 1022.3
10 10:52 N 12 6.00 Fog/Mist BKN007 OVC110 61 57.9 90% 30.2 1022.5
10 09:52 N 10 7.00 Overcast BKN007 OVC011 60.1 57.9 93% 30.2 1022.5
10 08:52 N 10 5.00 Fog/Mist OVC007 60.1 57.9 93% 30.19 1022.3
10 07:52 N 9 5.00 Light Rain Fog/Mist BKN008 BKN023 OVC027 59 57 64 59 93% 30.19 1022.2 0.01
10 06:52 N 10 8.00 Overcast BKN008 OVC025 59 57 93% 30.19 1022.2
10 05:52 N 7 5.00 Light Rain Fog/Mist SCT008 BKN020 OVC025 60.1 57.9 93% 30.19 1022.1 0.01
10 04:52 N 9 7.00 Light Rain OVC023 60.1 57 90% 30.19 1022.1
10 03:52 N 9 10.00 Overcast OVC021 63 55.9 78% 30.2 1022.4
Date Time (edt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)