Weather observations for the past three days for
Washington/Reagan National 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.
11 04:52 S 6 16.09 A Few Clouds FEW100 14.4 9.4 72% 76.58 1020.8
11 03:52 S 7 16.09 Partly Cloudy SCT100 15 8.3 64% 76.56 1020.5
11 02:52 Calm 16.09 Partly Cloudy SCT120 15.6 8.3 62% 76.56 1020.4
11 01:52 S 7 16.09 Mostly Cloudy BKN110 16.7 8.3 19.4 15.6 58% 76.56 1020.5
11 00:52 Calm 16.09 Partly Cloudy SCT120 16.1 7.2 56% 76.61 1021.1
10 23:52 S 17 16.09 Mostly Cloudy BKN130 16.1 11.1 72% 76.53 1020.1
10 22:52 S 15 16.09 Partly Cloudy SCT250 16.1 10 67% 76.56 1020.7
10 21:52 S 11 16.09 Partly Cloudy SCT250 16.1 8.9 63% 76.58 1021.1
10 20:52 S 19 16.09 Partly Cloudy SCT250 18.9 8.3 50% 76.56 1020.7
10 19:52 S 19 16.09 Mostly Cloudy BKN250 19.4 8.9 23.3 19.4 51% 76.53 1020.3
10 18:52 S 17 16.09 Partly Cloudy SCT250 21.7 7.8 41% 76.53 1020.2
10 17:52 S 17 16.09 Partly Cloudy SCT250 22.8 8.9 41% 76.56 1020.6
10 16:52 S 22 16.09 Partly Cloudy SCT250 23.3 7.8 37% 76.58 1020.8
10 15:52 S 17 16.09 Partly Cloudy SCT250 22.8 7.8 38% 76.63 1021.6
10 14:52 S 17 16.09 A Few Clouds FEW250 22.2 7.2 38% 76.73 1023.0
10 13:52 S 17 16.09 A Few Clouds FEW250 20.6 6.7 20.6 8.9 41% 76.84 1024.4
10 12:52 S 15 16.09 A Few Clouds FEW250 18.9 7.2 47% 76.94 1025.7
10 11:52 SE 11 16.09 A Few Clouds FEW250 16.1 6.7 54% 77.01 1026.9
10 10:52 S 17 16.09 A Few Clouds FEW250 14.4 7.8 65% 77.09 1027.7
10 09:52 S 13 16.09 A Few Clouds FEW250 11.7 6.7 72% 77.11 1028.1
10 08:52 S 11 16.09 Partly Cloudy FEW015 SCT250 10 7.2 83% 9 77.17 1028.6
10 06:52 SE 11 14.48 Partly Cloudy FEW008 SCT250 7.2 6.1 93% 5 77.17 1028.8
10 05:52 SE 9 16.09 A Few Clouds FEW010 6.7 5.6 93% 5 77.11 1028.2
10 04:52 SE 7 16.09 A Few Clouds FEW010 7.2 5.6 90% 6 77.17 1028.6
10 03:52 SE 9 16.09 A Few Clouds FEW010 7.8 5.6 86% 6 77.17 1028.5
10 02:52 SE 9 16.09 Fair CLR 7.8 6.1 89% 6 77.17 1028.8
10 01:52 SE 9 16.09 Fair CLR 8.3 5.6 13.9 8.3 83% 7 77.22 1029.4
10 00:52 S 15 16.09 Fair CLR 8.9 6.1 83% 7 77.24 1029.9
09 23:52 SE 9 16.09 Fair CLR 9.4 5.6 77% 8 77.29 1030.3
09 22:52 S 22 16.09 A Few Clouds FEW250 11.1 4.4 64% 77.27 1030.2
09 21:52 S 17 16.09 A Few Clouds FEW250 11.7 3.3 57% 77.27 1030.2
09 20:52 S 13 16.09 Partly Cloudy SCT250 12.8 2.8 51% 77.27 1030.0
09 19:52 SE 15 16.09 Partly Cloudy SCT250 13.9 1.7 17.8 13.9 44% 77.22 1029.5
09 18:52 S 17 16.09 Partly Cloudy SCT250 15.6 0.6 36% 77.24 1029.6
09 17:52 S 15 16.09 Partly Cloudy SCT250 16.7 -1.1 30% 77.24 1029.7
09 16:52 S 15 16.09 Mostly Cloudy BKN250 17.2 0 31% 77.27 1030.1
09 15:52 S 17 16.09 Mostly Cloudy BKN250 16.7 0 32% 77.32 1030.7
09 14:52 S 13 16.09 Mostly Cloudy BKN250 16.1 1.1 36% 77.39 1031.8
09 13:52 S 11 16.09 Mostly Cloudy BKN250 13.9 0.6 14.4 4.4 41% 77.47 1032.7
09 12:52 Vrbl 6 16.09 Mostly Cloudy BKN250 12.8 1.1 45% 77.55 1033.8
09 11:52 Vrbl 9 16.09 Mostly Cloudy BKN250 10.6 1.1 52% 77.62 1034.9
09 10:52 Vrbl 7 16.09 Mostly Cloudy FEW020 BKN250 8.9 2.2 63% 8 77.67 1035.5
09 09:52 SW 7 16.09 Mostly Cloudy FEW017 BKN250 7.2 1.7 68% 6 77.7 1035.8
09 08:52 S 9 16.09 Mostly Cloudy BKN018 BKN250 6.1 2.2 76% 4 77.7 1035.9
09 07:52 SE 7 16.09 Mostly Cloudy FEW020 BKN250 4.4 1.7 4.4 2.8 83% 3 77.7 1035.8
09 06:52 Calm 16.09 Mostly Cloudy FEW020 BKN250 3.3 0.6 83% 77.67 1035.5
09 05:52 Calm 16.09 Mostly Cloudy FEW018 BKN250 2.8 0.6 86% 77.65 1035.1
09 04:52 E 6 16.09 Partly Cloudy FEW016 SCT250 3.3 -0.6 76% 77.62 1034.8
09 03:52 SE 9 16.09 Mostly Cloudy FEW016 BKN250 3.3 0 79% 1 77.65 1035.0
09 02:52 S 7 16.09 A Few Clouds FEW250 3.3 -1.7 70% 2 77.65 1035.1
09 01:52 SE 11 16.09 A Few Clouds FEW250 4.4 -2.2 8.9 3.9 63% 2 77.67 1035.3
09 00:52 SE 17 16.09 Partly Cloudy SCT250 5.6 -2.2 58% 3 77.67 1035.6
08 23:52 SE 20 16.09 Partly Cloudy SCT250 6.7 -1.1 58% 3 77.67 1035.5
08 22:52 SE 20 16.09 Partly Cloudy SCT250 7.2 -1.1 56% 4 77.65 1035.2
08 21:52 SE 11 16.09 Partly Cloudy SCT250 7.8 -2.2 50% 6 77.65 1035.3
08 20:52 SE 13 16.09 Mostly Cloudy BKN250 8.3 -2.8 46% 6 77.6 1034.6
08 19:52 SE 15 16.09 Mostly Cloudy BKN250 8.9 -3.9 12.8 8.9 41% 7 77.57 1034.1
08 18:52 SE 19 16.09 Mostly Cloudy BKN250 10.6 -6.7 29% 77.57 1034.0
08 17:52 S 13 16.09 Partly Cloudy SCT250 11.7 -7.8 25% 77.55 1033.9
08 16:52 Calm 16.09 Partly Cloudy SCT250 11.7 -7.8 25% 77.55 1033.9
08 15:52 N 6 16.09 Partly Cloudy SCT250 11.7 -8.9 23% 77.6 1034.5
08 14:52 Calm 16.09 A Few Clouds FEW250 11.1 -10 22% 77.62 1035.0
08 13:52 Vrbl 7 16.09 A Few Clouds FEW250 10.6 -7.8 10.6 2.8 27% 77.67 1035.6
08 12:52 N 9 16.09 Fair CLR 8.9 -8.9 28% 8 77.72 1036.2
08 11:52 NE 15 16.09 Fair CLR 8.3 -7.8 31% 6 77.8 1037.0
08 10:52 Vrbl 7 16.09 Fair CLR 6.1 -7.2 38% 5 77.8 1037.2
08 09:52 NE 11 16.09 Fair CLR 5.6 -6.7 41% 3 77.77 1036.8
08 08:52 NE 15 16.09 Fair CLR 3.9 -7.2 45% 1 77.75 1036.6
08 07:52 NE 13 16.09 A Few Clouds FEW250 2.8 -7.8 5.6 1.7 46% -0 77.72 1036.2
08 06:52 NE 20 16.09 A Few Clouds FEW250 2.2 -8.9 44% -2 77.65 1035.2
08 05:52 NE 15 16.09 Fair CLR 2.2 -8.3 46% -1 77.57 1034.0
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)