Weather observations for the past three days for
Washington/Reagan National Airport, DC
Metric (Imperial)
Date Time (est) 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.
04 23:52 S 11 16.09 Overcast FEW040 BKN055 OVC110 18.3 16.1 87% 76.15 1015.1
04 22:52 S 13 16.09 Overcast BKN120 OVC250 18.3 15.6 84% 76.17 1015.3
04 21:52 S 13 16.09 Mostly Cloudy BKN030 BKN250 17.8 15.6 87% 76.2 1015.9
04 20:52 S 11 16.09 Mostly Cloudy FEW065 BKN150 BKN250 17.8 15 84% 76.23 1016.3
04 19:52 S 9 16.09 Mostly Cloudy FEW033 FEW080 BKN250 18.3 15 81% 76.25 1016.4
04 18:52 S 11 16.09 Mostly Cloudy SCT033 BKN250 18.9 15.6 23.9 18.3 81% 76.28 1017.0
04 17:52 S 17 16.09 Mostly Cloudy FEW075 BKN250 19.4 15.6 79% 76.3 1017.2
04 16:52 S 15 16.09 Mostly Cloudy FEW070 BKN250 20 15 73% 76.28 1016.8
04 15:52 S 17 16.09 Partly Cloudy FEW060 SCT250 21.1 15 68% 76.3 1017.2
04 14:52 S 20 16.09 Partly Cloudy FEW040 SCT250 22.8 14.4 59% 76.35 1017.8
04 13:52 S 20 16.09 Partly Cloudy FEW035 SCT250 23.3 13.3 54% 76.38 1018.1
04 12:52 S 19 16.09 Partly Cloudy FEW030 SCT250 23.3 12.2 23.9 12.8 50% 76.43 1018.9
04 11:52 S 13 16.09 Partly Cloudy FEW030 SCT250 22.8 14.4 59% 76.5 1019.8
04 10:52 S 17 16.09 Partly Cloudy FEW030 SCT250 20.6 14.4 68% 76.56 1020.6
04 09:52 S 13 16.09 A Few Clouds FEW250 18.3 14.4 78% 76.61 1021.2
04 08:52 S 15 16.09 A Few Clouds FEW250 16.1 13.3 84% 76.63 1021.5
04 07:52 S 7 16.09 A Few Clouds FEW100 FEW250 15 12.8 87% 76.66 1021.8
04 06:52 S 11 16.09 A Few Clouds FEW110 12.8 11.7 14.4 12.8 93% 76.63 1021.6
04 05:52 SW 7 16.09 Fair CLR 12.8 11.1 90% 76.63 1021.5
04 04:52 SW 7 16.09 Fair CLR 12.8 11.7 93% 76.63 1021.6
04 03:52 S 7 16.09 Fair CLR 13.3 11.7 90% 76.63 1021.4
04 02:52 S 13 16.09 Fair CLR 14.4 12.2 87% 76.66 1021.9
04 01:52 S 9 16.09 Fair CLR 13.3 11.7 90% 76.71 1022.5
04 00:52 S 11 16.09 Fair CLR 13.9 11.7 17.2 13.9 87% 76.76 1023.1
03 23:52 S 9 16.09 Partly Cloudy SCT250 14.4 12.2 87% 76.76 1023.4
03 22:52 S 13 16.09 Partly Cloudy SCT250 15 12.2 83% 76.78 1023.7
03 21:52 S 13 16.09 Partly Cloudy SCT250 15.6 12.2 80% 76.81 1023.9
03 20:52 S 11 16.09 Partly Cloudy SCT250 15.6 12.8 84% 76.81 1023.9
03 19:52 S 9 16.09 Partly Cloudy SCT250 16.7 12.8 78% 76.78 1023.6
03 18:52 S 11 16.09 Partly Cloudy SCT250 17.2 12.8 22.8 17.2 76% 76.76 1023.2
03 17:52 S 11 16.09 Partly Cloudy SCT250 17.8 13.3 75% 76.73 1023.1
03 16:52 S 11 16.09 Mostly Cloudy BKN250 20 12.8 63% 76.73 1022.9
03 15:52 S 11 16.09 Mostly Cloudy BKN250 22.2 12.8 55% 76.73 1022.8
03 14:52 S 13 16.09 Mostly Cloudy BKN250 22.2 12.2 53% 76.73 1023.1
03 13:52 S 20 16.09 Mostly Cloudy BKN250 22.2 12.2 53% 76.78 1023.7
03 12:52 SW 20 16.09 Partly Cloudy SCT250 22.2 11.7 22.2 9.4 52% 76.84 1024.3
03 11:52 S 17 16.09 Partly Cloudy SCT250 20.6 12.2 59% 76.91 1025.2
03 10:52 S 15 16.09 Partly Cloudy FEW100 SCT250 18.9 12.2 65% 76.99 1026.3
03 09:52 S 15 16.09 Partly Cloudy FEW100 SCT250 16.1 11.1 72% 77.01 1026.6
03 08:52 S 13 16.09 A Few Clouds FEW100 FEW250 13.3 10.6 84% 77.04 1027.0
03 07:52 Calm 16.09 A Few Clouds FEW090 FEW250 11.7 9.4 86% 77.04 1027.2
03 06:52 Calm 16.09 Partly Cloudy FEW090 SCT250 9.4 7.8 10.6 8.9 90% 77.01 1026.6
03 05:52 Calm 16.09 A Few Clouds FEW250 10 8.9 93% 77.01 1026.6
03 04:52 Calm 16.09 A Few Clouds FEW250 9.4 8.3 93% 76.99 1026.3
03 03:52 Calm 16.09 A Few Clouds FEW250 10 8.3 89% 76.94 1025.6
03 02:52 SW 6 16.09 Fair CLR 9.4 8.3 93% 76.94 1025.8
03 01:52 W 6 16.09 Fair CLR 10 8.3 89% 76.99 1026.4
03 00:52 Calm 16.09 Fair CLR 10.6 8.9 13.9 10 89% 77.01 1026.8
02 23:52 SW 6 16.09 A Few Clouds FEW250 10.6 8.9 89% 77.06 1027.2
02 22:52 SW 7 16.09 A Few Clouds FEW100 FEW250 11.1 8.9 86% 77.06 1027.5
02 21:52 S 7 16.09 A Few Clouds FEW100 12.2 8.9 80% 77.11 1028.1
02 20:52 S 9 16.09 A Few Clouds FEW100 12.8 7.8 72% 77.11 1028.2
02 19:52 SE 9 16.09 Mostly Cloudy SCT110 BKN230 12.8 8.3 74% 77.09 1027.9
02 18:52 SE 7 16.09 Mostly Cloudy BKN110 BKN230 13.9 8.3 17.2 13.9 69% 77.09 1027.9
02 17:52 S 6 16.09 Mostly Cloudy BKN110 BKN160 BKN230 15 8.3 64% 77.09 1027.9
02 16:52 S 9 16.09 Mostly Cloudy BKN110 BKN200 15.6 7.2 58% 77.09 1027.7
02 15:52 S 11 16.09 Mostly Cloudy BKN110 BKN200 16.7 7.2 54% 77.06 1027.4
02 14:52 S 11 16.09 Overcast BKN110 OVC250 16.7 7.2 54% 77.09 1027.7
02 13:52 S 7 16.09 Overcast BKN110 OVC250 17.2 8.3 56% 77.11 1028.1
02 12:52 S 9 16.09 Overcast BKN110 OVC250 16.1 8.9 17.2 8.9 63% 77.17 1028.9
02 11:52 S 13 16.09 Overcast BKN130 OVC250 15.6 8.3 62% 77.24 1029.7
02 10:52 SW 9 16.09 Mostly Cloudy FEW090 FEW150 BKN250 15 8.3 64% 77.32 1030.7
02 09:52 S 11 16.09 Mostly Cloudy FEW100 FEW160 BKN250 13.9 8.9 72% 77.37 1031.4
02 08:52 S 7 16.09 Mostly Cloudy FEW100 SCT170 BKN250 12.2 8.9 80% 77.37 1031.6
02 07:52 SW 6 16.09 Mostly Cloudy FEW100 BKN170 BKN250 11.1 8.3 83% 77.37 1031.5
02 06:52 S 6 16.09 Mostly Cloudy FEW100 BKN160 BKN250 9.4 6.7 10.6 8.3 83% 77.34 1031.1
02 05:52 Calm 16.09 Mostly Cloudy FEW130 BKN250 8.9 6.1 83% 77.34 1031.0
02 04:52 Calm 16.09 Overcast OVC250 9.4 5.6 77% 77.34 1031.0
02 03:52 Calm 16.09 Overcast OVC250 9.4 6.7 83% 77.29 1030.5
02 02:52 Calm 16.09 Mostly Cloudy FEW150 BKN250 9.4 5.6 77% 77.34 1031.0
02 01:52 W 6 16.09 Mostly Cloudy FEW150 BKN250 9.4 5.6 77% 77.37 1031.4
02 00:52 SW 6 16.09 A Few Clouds FEW250 10 5.6 14.4 10 74% 77.37 1031.4
Date Time (est) 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)