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.
10 07:52 Calm 16.09 Mostly Cloudy BKN250 9.4 8.3 13.9 8.3 93% 76.3 1017.2
10 06:52 Calm 16.09 Mostly Cloudy BKN200 10 8.3 89% 76.3 1017.2
10 05:52 S 7 16.09 Mostly Cloudy BKN200 10 8.9 93% 9 76.28 1016.7
10 04:52 Calm 16.09 Mostly Cloudy BKN200 10 8.9 93% 76.23 1016.2
10 03:52 S 7 16.09 Mostly Cloudy BKN200 10.6 8.9 89% 76.23 1016.2
10 02:52 Calm 16.09 Mostly Cloudy BKN250 10.6 8.9 89% 76.25 1016.3
10 01:52 S 6 16.09 Fair CLR 12.8 9.4 18.9 12.2 80% 76.25 1016.4
10 00:52 Calm 16.09 Fair CLR 13.9 9.4 74% 76.23 1016.1
09 23:52 S 9 16.09 Fair CLR 13.3 9.4 77% 76.23 1016.1
09 22:52 S 6 16.09 Fair CLR 15.6 9.4 67% 76.2 1015.9
09 21:52 S 11 16.09 Fair CLR 15 8.3 64% 76.17 1015.6
09 20:52 S 15 16.09 Fair CLR 15.6 7.8 60% 76.15 1015.2
09 19:52 S 13 16.09 Fair CLR 18.9 6.7 24.4 18.3 45% 76.12 1015.0
09 18:52 S 13 16.09 A Few Clouds FEW065 20 7.2 44% 76.1 1014.5
09 17:52 S 17 16.09 A Few Clouds FEW055 21.1 8.3 44% 76.07 1014.3
09 16:52 S 19 16.09 A Few Clouds FEW055 22.8 8.3 40% 76.1 1014.5
09 15:52 S 17 16.09 A Few Clouds FEW060 FEW250 24.4 7.2 33% 25 76.12 1014.8
09 14:52 S 20 G 35 16.09 A Few Clouds FEW060 FEW250 24.4 7.2 33% 25 76.15 1015.1
09 13:52 S 17 16.09 A Few Clouds FEW060 FEW250 23.3 5.6 23.3 6.7 32% 76.2 1015.9
09 12:52 S 15 16.09 A Few Clouds FEW050 22.8 3.3 28% 76.33 1017.4
09 11:52 SW 7 16.09 A Few Clouds FEW200 21.1 3.9 32% 76.38 1018.1
09 10:52 Calm 16.09 Fair CLR 17.8 5 43% 76.4 1018.6
09 09:52 Calm 16.09 Fair CLR 12.8 6.1 64% 76.43 1018.9
09 08:52 Calm 16.09 Fair CLR 9.4 6.7 83% 76.4 1018.6
09 07:52 Calm 16.09 A Few Clouds FEW250 7.2 6.1 9.4 6.7 93% 76.33 1017.7
09 06:52 Calm 16.09 Shallow Fog FEW075 6.7 5.6 93% 76.28 1016.8
09 05:52 Calm 16.09 Fair CLR 7.8 7.2 96% 76.25 1016.3
09 04:52 Calm 16.09 Fair CLR 8.9 6.7 86% 76.17 1015.5
09 03:52 W 6 16.09 Fair CLR 8.9 6.7 86% 76.17 1015.3
09 02:52 S 7 16.09 Fair CLR 9.4 7.2 86% 9 76.2 1015.8
09 01:52 E 9 16.09 Fair CLR 10 6.7 21.1 9.4 80% 9 76.17 1015.6
09 00:52 S 9 16.09 A Few Clouds FEW090 11.1 7.2 77% 76.17 1015.4
08 23:52 SE 6 16.09 A Few Clouds FEW140 FEW250 12.8 6.7 67% 76.15 1015.1
08 22:52 S 7 16.09 Partly Cloudy FEW080 SCT250 13.3 6.7 65% 76.12 1014.9
08 21:52 NW 9 16.09 A Few Clouds FEW250 17.8 5.6 45% 76.07 1013.9
08 20:52 NW 9 16.09 Partly Cloudy SCT220 19.4 6.1 42% 75.97 1012.9
08 19:52 NW 15 16.09 Mostly Cloudy FEW060 BKN220 21.7 6.1 23.9 21.1 36% 75.95 1012.4
08 18:52 NW 13 16.09 Mostly Cloudy FEW060 BKN220 22.2 6.7 37% 75.9 1011.6
08 17:52 W 15 16.09 Mostly Cloudy FEW060 BKN210 23.3 8.9 40% 75.82 1010.9
08 16:52 W 19 G 31 16.09 Overcast FEW060 OVC160 23.3 8.3 38% 75.79 1010.5
08 15:52 W 26 G 33 16.09 Overcast FEW060 FEW090 OVC150 23.9 10.6 43% 25 75.77 1010.2
08 14:52 W 17 16.09 Overcast SCT065 OVC180 23.9 10 42% 25 75.74 1009.7
08 13:52 W 22 16.09 Overcast SCT050 OVC200 23.3 11.7 24.4 14.4 48% 75.77 1010.0
08 12:52 W 20 G 31 16.09 Mostly Cloudy BKN055 BKN200 22.8 13.3 55% 75.79 1010.5
08 11:52 S 11 16.09 Mostly Cloudy SCT060 BKN110 BKN200 20 15 73% 75.84 1010.9
08 10:52 S 6 16.09 Mostly Cloudy SCT050 BKN110 BKN200 18.9 15 78% 75.84 1011.1
08 09:52 Calm 16.09 Overcast FEW050 BKN065 OVC110 17.2 15 87% 75.84 1011.1
08 08:52 S 6 16.09 Mostly Cloudy FEW050 BKN085 BKN200 15.6 13.9 90% 75.84 1011.0
08 07:52 S 15 16.09 Mostly Cloudy FEW050 BKN090 BKN110 14.4 12.8 18.3 12.2 90% 75.74 1009.8
08 06:52 S 11 16.09 Partly Cloudy FEW080 SCT110 14.4 12.8 90% 75.74 1009.6
08 05:52 S 11 16.09 Mostly Cloudy BKN100 17.8 14.4 81% 75.74 1009.8
08 04:52 S 13 16.09 Overcast FEW100 OVC150 15.6 12.8 84% 75.72 1009.2
08 01:52 S 17 16.09 Mostly Cloudy SCT100 BKN120 14.4 12.8 90% 75.77 1010.1
08 00:52 S 6 16.09 Mostly Cloudy FEW040 BKN120 12.2 11.1 17.8 12.2 93% 75.82 1010.9
07 23:52 Calm 16.09 Mostly Cloudy SCT040 BKN120 14.4 13.3 93% 75.92 1012.0
07 22:52 S 7 16.09 Partly Cloudy FEW150 SCT250 15.6 13.3 86% 75.92 1012.3
07 21:52 S 17 16.09 Fair CLR 14.4 12.8 90% 75.84 1011.3
07 20:52 S 15 16.09 Fair CLR 15 12.8 87% 75.87 1011.4
07 19:52 S 15 16.09 Fair CLR 15 12.2 83% 75.92 1012.3
07 18:52 S 13 16.09 A Few Clouds FEW015 FEW250 16.1 12.2 17.2 10 78% 76 1013.0
07 17:52 S 15 16.09 A Few Clouds FEW015 FEW250 16.1 11.7 75% 76.05 1013.9
07 16:52 S 19 16.09 A Few Clouds FEW250 15.6 11.1 75% 76.07 1014.3
07 15:52 S 19 16.09 A Few Clouds FEW015 FEW150 15 10 72% 76.15 1015.1
07 14:52 S 9 16.09 Overcast SCT011 OVC013 13.3 9.4 77% 76.28 1016.8
07 13:52 S 9 16.09 Overcast OVC011 11.7 8.3 80% 76.38 1018.2
07 12:52 S 11 16.09 Overcast OVC008 10 7.8 10 5 86% 9 76.5 1019.9
07 11:52 S 9 16.09 Overcast OVC005 8.3 7.2 93% 7 76.58 1021.1
07 10:52 S 13 3.22 Fog/Mist OVC004 7.8 6.1 89% 6 76.68 1022.1
07 09:52 S 15 4.83 Fog/Mist OVC005 6.7 5.6 93% 4 76.73 1023.0
07 08:52 S 9 16.09 Overcast BKN005 OVC009 6.1 5 93% 4 76.81 1024.1
07 07:52 SE 7 3.22 Fog/Mist OVC005 5.6 5 96% 4 76.86 1024.5
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)