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.
09 18:52 S 9 11.27 Light Rain OVC095 9.4 8.9 10 7.8 97% 8 76.45 1019.2 0.03 0.23
09 17:52 S 13 11.27 Light Rain SCT027 BKN095 OVC110 9.4 8.3 93% 8 76.43 1018.9 0.05
09 16:52 S 17 12.87 Overcast FEW015 OVC090 8.3 7.2 93% 6 76.43 1018.9 0.08
09 15:52 SW 11 12.87 Light Rain SCT015 BKN080 OVC110 8.9 7.2 89% 7 76.43 1019.0 0.08
09 14:52 S 9 12.87 Overcast OVC011 8.3 6.7 90% 7 76.45 1019.3 0.03
09 13:52 S 13 8.05 Light Rain Fog/Mist OVC010 8.3 6.7 90% 6 76.48 1019.5 0.05
09 12:52 S 11 14.48 Overcast OVC012 8.3 5.6 8.9 2.8 83% 7 76.53 1020.3
09 11:52 S 15 14.48 Overcast OVC013 8.9 5.6 80% 7 76.61 1021.1
09 10:52 S 11 11.27 Overcast FEW009 OVC017 6.7 5 89% 5 76.71 1022.5
09 09:52 S 9 9.66 Fog/Mist SCT009 OVC024 6.7 4.4 85% 5 76.81 1024.0
09 08:52 S 9 8.05 Fog/Mist FEW010 OVC033 5.6 4.4 92% 4 76.81 1023.9
09 07:52 S 6 6.44 Fog/Mist BKN040 OVC250 3.3 2.2 93% 76.84 1024.4
09 06:52 S 7 9.66 Fog/Mist FEW011 BKN045 BKN220 3.3 2.8 6.7 3.3 97% 2 76.86 1024.5
09 05:52 E 6 12.87 A Few Clouds FEW220 3.3 2.2 93% 76.84 1024.3
09 04:52 S 13 16.09 Mostly Cloudy FEW160 BKN220 3.9 2.2 89% 1 76.89 1024.8
09 03:52 S 6 16.09 Partly Cloudy FEW140 SCT160 SCT220 5 2.2 82% 76.89 1024.9
09 02:52 S 9 16.09 Partly Cloudy FEW140 SCT160 SCT220 5 2.2 82% 3 76.89 1025.1
09 01:52 S 13 16.09 Partly Cloudy FEW140 SCT220 5.6 2.8 82% 3 76.86 1024.6
09 00:52 S 13 16.09 Overcast BKN140 OVC220 6.1 2.8 8.9 5 80% 4 76.81 1023.9
08 23:52 S 7 16.09 Mostly Cloudy BKN150 BKN250 5.6 2.2 79% 4 76.86 1024.8
08 22:52 Calm 16.09 Overcast BKN150 OVC250 5 2.2 82% 76.89 1024.9
08 21:52 S 9 16.09 Mostly Cloudy BKN170 6.7 2.2 73% 5 76.89 1025.0
08 20:52 S 6 16.09 Mostly Cloudy BKN170 7.8 2.8 71% 76.91 1025.2
08 19:52 Calm 16.09 Partly Cloudy SCT210 7.2 3.3 77% 76.86 1024.7
08 18:52 S 7 16.09 Mostly Cloudy BKN210 8.3 3.3 12.8 7.2 71% 7 76.86 1024.8
08 17:52 S 9 16.09 Mostly Cloudy BKN220 9.4 2.8 64% 8 76.84 1024.2
08 16:52 S 9 16.09 Mostly Cloudy BKN240 10.6 2.8 59% 76.78 1023.5
08 15:52 S 13 16.09 Mostly Cloudy BKN220 12.8 3.3 53% 76.76 1023.4
08 14:52 S 11 16.09 Overcast OVC240 12.8 2.8 51% 76.73 1023.0
08 13:52 S 11 16.09 Mostly Cloudy BKN250 12.8 3.3 53% 76.73 1023.1
08 12:52 S 6 16.09 Mostly Cloudy BKN250 12.8 3.3 12.8 0.6 53% 76.78 1023.6
08 11:52 Calm 16.09 Mostly Cloudy BKN250 11.7 2.8 55% 76.81 1024.1
08 10:52 E 6 16.09 Partly Cloudy SCT250 8.9 2.8 66% 76.86 1024.6
08 09:52 S 7 16.09 A Few Clouds FEW250 5.6 2.8 82% 4 76.84 1024.3
08 08:52 SE 7 16.09 Fog in Vicinity CLR 3.3 1.7 89% 2 76.76 1023.3
08 07:52 Calm 16.09 Fair CLR 2.2 0.6 89% 76.71 1022.6
08 06:52 Calm 16.09 Fair CLR 1.7 0 5 0.6 89% 76.63 1021.6
08 05:52 Calm 16.09 A Few Clouds FEW200 1.7 0.6 93% 76.58 1020.9
08 04:52 N 7 16.09 A Few Clouds FEW200 1.7 0 89% -0 76.56 1020.6
08 03:52 Calm 16.09 A Few Clouds FEW200 1.7 0 89% 76.53 1020.1
08 02:52 S 7 16.09 Mostly Cloudy BKN200 2.2 1.1 93% 0 76.48 1019.5
08 01:52 Calm 16.09 Fair CLR 2.8 1.1 89% 76.4 1018.5
08 00:52 SW 6 16.09 Fair CLR 3.9 1.7 13.3 3.9 86% 76.33 1017.6
07 23:52 Calm 16.09 Fair CLR 6.1 2.2 76% 76.33 1017.6
07 22:52 W 6 16.09 Fair CLR 7.8 2.8 71% 76.3 1017.3
07 21:52 NW 6 16.09 Fair CLR 9.4 2.8 64% 76.28 1016.7
07 20:52 Calm 16.09 Fair CLR 10 2.8 61% 76.23 1016.3
07 19:52 N 11 16.09 Fair CLR 9.4 2.8 64% 8 76.23 1016.0
07 18:52 NW 19 16.09 Fair CLR 12.8 3.3 17.2 12.2 53% 76.12 1015.0
07 17:52 W 11 16.09 Fair CLR 13.3 2.8 49% 76.05 1014.0
07 16:52 N 15 16.09 A Few Clouds FEW070 13.9 2.8 47% 75.97 1012.9
07 15:52 N 15 16.09 A Few Clouds FEW070 15.6 2.8 42% 75.95 1012.4
07 14:52 NW 26 G 39 16.09 Partly Cloudy SCT070 16.7 3.3 41% 75.87 1011.6
07 13:52 NW 20 G 30 16.09 A Few Clouds FEW050 FEW075 17.2 3.9 41% 75.82 1010.8
07 12:52 NW 19 G 33 16.09 A Few Clouds FEW065 16.7 4.4 16.7 2.2 44% 75.77 1010.0
07 11:52 NW 13 14.48 A Few Clouds FEW065 FEW100 16.1 5 48% 75.74 1009.9
07 10:52 Calm 14.48 Mostly Cloudy BKN065 13.3 6.7 65% 75.74 1009.8
07 09:52 Calm 14.48 Mostly Cloudy BKN070 8.3 6.1 86% 75.74 1009.8
07 08:52 Calm 14.48 Shallow Fog FEW050 FEW100 6.7 5.6 93% 75.67 1008.8
07 07:52 NE 9 12.87 Fog in Vicinity FEW040 2.8 1.7 93% 1 75.59 1007.7
07 06:52 S 7 9.66 Fog/Mist FEW007 FEW065 3.9 3.3 4.4 2.2 96% 2 75.51 1006.6
07 05:52 Calm 9.66 Fog/Mist FEW065 3.9 2.8 93% 75.46 1005.9
07 04:52 S 11 8.05 Fog/Mist FEW065 FEW200 3.3 2.8 97% 1 75.41 1005.3
07 03:52 S 7 8.05 Fog/Mist BKN065 BKN150 3.3 2.2 93% 2 75.41 1005.2
07 02:52 Calm 8.05 Fog/Mist BKN075 2.8 2.2 96% 75.41 1005.3
07 01:52 S 9 8.05 Fog/Mist FEW090 2.2 1.7 97% -0 75.36 1004.6
07 00:52 SW 6 11.27 Shallow Fog FEW090 2.2 2.2 7.8 2.2 100% 75.36 1004.7
06 23:52 NE 7 9.66 Fog/Mist FEW090 3.9 3.3 96% 2 75.39 1005.0
06 22:52 NE 6 9.66 Fog/Mist FEW090 4.4 3.3 93% 75.41 1005.3
06 21:52 Calm 8.05 Fog/Mist BKN085 5 4.4 96% 75.44 1005.6
06 20:52 Calm 11.27 Overcast OVC085 6.1 4.4 89% 75.46 1006.0
06 19:52 Calm 11.27 Overcast OVC080 7.2 5 86% 75.51 1006.6
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)