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.
05 17:52 S 15 16.09 Overcast SCT014 BKN019 OVC025 21.1 18.9 87% 75.87 1011.4
05 16:52 S 13 16.09 Overcast SCT014 BKN033 OVC049 21.1 19.4 90% 75.84 1011.2
05 15:52 S 15 16.09 Overcast SCT014 BKN032 OVC047 20 18.9 93% 75.84 1011.0
05 14:52 S 20 14.48 Light Drizzle BKN021 OVC045 20.6 18.9 90% 75.84 1011.2
05 13:52 S 19 16.09 Light Drizzle SCT018 BKN033 OVC040 21.1 18.3 84% 75.87 1011.3
05 12:52 S 22 16.09 Overcast BKN021 OVC038 21.1 17.8 22.8 18.3 82% 75.9 1011.8
05 11:52 S 20 16.09 Overcast BKN021 OVC035 22.8 18.9 79% 75.95 1012.4
05 10:52 S 15 16.09 Light Drizzle OVC017 21.1 18.3 84% 76.02 1013.3
05 09:52 S 19 16.09 Overcast OVC015 20 18.3 90% 76.05 1013.6
05 08:52 S 20 16.09 Overcast OVC011 19.4 17.8 91% 76.05 1013.8
05 07:52 S 19 16.09 Overcast SCT012 BKN018 OVC120 18.9 17.2 90% 76.05 1013.6
05 06:52 S 20 9.66 Light Rain Fog/Mist SCT013 OVC110 18.3 17.2 18.9 17.8 93% 76.02 1013.3 0.08 0.08
05 05:52 S 17 16.09 Light Rain SCT016 SCT021 BKN070 OVC130 18.3 16.7 90% 76 1013.1
05 04:52 S 17 16.09 Overcast SCT018 BKN032 OVC100 18.3 16.7 90% 76.02 1013.3
05 03:52 S 15 12.87 Light Rain FEW048 FEW055 BKN110 OVC200 18.3 16.7 90% 76 1013.1
05 02:52 S 17 16.09 Light Rain FEW034 BKN060 BKN110 OVC200 18.3 16.7 90% 76.05 1013.8
05 01:52 S 15 16.09 Overcast FEW055 BKN110 OVC200 18.3 16.7 90% 76.07 1014.2
05 00:52 S 15 16.09 Overcast SCT055 OVC110 18.3 16.1 18.9 17.8 87% 76.1 1014.5
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
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)