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.
23 07:52 S 6 16.09 Overcast OVC250 0.6 -4.4 70% 76.76 1023.2
23 06:52 S 9 16.09 Overcast OVC250 0 -4.4 3.3 -1.1 73% -3 76.73 1022.8
23 05:52 S 7 16.09 Overcast OVC200 0 -4.4 73% -2 76.68 1022.3
23 04:52 S 7 16.09 Mostly Cloudy BKN200 0 -5 69% -2 76.66 1022.0
23 03:52 S 6 16.09 A Few Clouds FEW210 0 -4.4 73% 76.66 1021.8
23 02:52 Calm 16.09 A Few Clouds FEW210 1.1 -7.2 54% 76.63 1021.5
23 01:52 S 7 16.09 A Few Clouds FEW210 2.8 -6.7 50% 1 76.61 1021.1
23 00:52 Calm 16.09 Mostly Cloudy BKN210 1.7 -5.6 9.4 0.6 59% 76.61 1021.1
22 23:52 W 6 16.09 Mostly Cloudy BKN210 3.9 -5 53% 76.61 1021.3
22 22:52 NW 11 16.09 Mostly Cloudy BKN210 6.1 -10 31% 4 76.61 1021.2
22 21:52 W 11 16.09 Mostly Cloudy BKN220 7.2 -9.4 30% 5 76.58 1021.0
22 20:52 W 7 16.09 Mostly Cloudy BKN220 8.3 -9.4 28% 7 76.53 1020.2
22 19:52 NW 7 16.09 Mostly Cloudy BKN220 8.3 -8.9 29% 7 76.5 1019.9
22 18:52 NW 17 16.09 Mostly Cloudy BKN220 8.9 -8.3 13.3 7.2 29% 7 76.5 1019.9
22 17:52 N 11 16.09 Mostly Cloudy BKN230 9.4 -7.8 29% 8 76.48 1019.4
22 16:52 NW 11 16.09 Mostly Cloudy BKN230 11.7 -9.4 22% 76.43 1018.8
22 15:52 NW 15 16.09 Mostly Cloudy BKN240 12.8 -9.4 21% 76.33 1017.7
22 14:52 SW 20 16.09 Mostly Cloudy BKN250 12.8 -7.8 23% 76.3 1017.2
22 13:52 W 20 G 39 16.09 Mostly Cloudy BKN250 13.3 -7.2 24% 76.33 1017.4
22 12:52 W 20 G 35 16.09 Partly Cloudy FEW060 SCT250 12.2 -6.7 12.8 3.3 26% 76.33 1017.6
22 11:52 Vrbl 9 16.09 A Few Clouds FEW060 FEW250 11.1 -4.4 34% 76.43 1018.8
22 10:52 S 15 16.09 A Few Clouds FEW060 FEW250 8.9 -3.9 41% 7 76.48 1019.5
22 09:52 S 15 16.09 A Few Clouds FEW060 FEW250 7.2 -4.4 44% 5 76.48 1019.5
22 08:52 S 9 16.09 A Few Clouds FEW060 FEW250 7.2 -5.6 40% 6 76.48 1019.5
22 07:52 Vrbl 9 16.09 Mostly Cloudy BKN055 BKN250 5 -7.2 41% 3 76.45 1019.3
22 06:52 SW 11 16.09 Partly Cloudy SCT055 SCT250 3.9 -7.2 5.6 3.9 45% 1 76.38 1018.1
22 05:52 SW 15 16.09 A Few Clouds FEW070 4.4 -7.2 43% 1 76.33 1017.5
22 04:52 SW 20 16.09 A Few Clouds FEW070 4.4 -7.2 43% 1 76.33 1017.4
22 03:52 SW 19 16.09 Fair CLR 4.4 -7.2 43% 1 76.33 1017.6
22 02:52 S 22 G 39 16.09 Fair CLR 5 -7.2 41% 1 76.35 1017.9
22 01:52 S 22 G 37 16.09 Overcast BKN090 OVC110 5.6 -7.2 40% 2 76.4 1018.6
22 00:52 S 24 16.09 Overcast OVC080 5.6 -7.8 5.6 2.2 38% 2 76.43 1019.0
21 23:52 S 20 16.09 Overcast OVC090 4.4 -5.6 49% 1 76.5 1020.0
21 22:52 S 24 16.09 Overcast BKN100 OVC120 3.9 -5.6 50% -0 76.53 1020.3
21 21:52 S 22 16.09 Mostly Cloudy BKN120 4.4 -9.4 36% 0 76.61 1021.1
21 20:52 S 26 16.09 Mostly Cloudy BKN120 3.9 -7.8 43% -1 76.63 0.0
21 19:52 S 19 16.09 Partly Cloudy SCT150 3.3 -9.4 39% -1 76.73 1023.1
21 18:52 S 13 16.09 Partly Cloudy FEW150 SCT250 2.2 -6.7 6.1 2.2 52% -1 76.76 1023.4
21 17:52 S 17 16.09 Partly Cloudy FEW150 SCT250 3.3 -7.2 46% -0 76.81 1023.8
21 16:52 S 22 16.09 Partly Cloudy FEW150 SCT250 4.4 -9.4 36% 0 76.81 1023.9
21 15:52 S 20 16.09 Partly Cloudy FEW150 SCT250 5.6 -11.7 28% 2 76.86 1024.6
21 14:52 S 26 G 41 16.09 Partly Cloudy FEW150 SCT250 5 -11.1 30% 1 76.91 1025.4
21 13:52 S 26 16.09 A Few Clouds FEW250 5 -12.8 27% 1 76.99 1026.4
21 12:52 S 28 16.09 A Few Clouds FEW250 3.3 -13.9 27% -2 77.19 1028.9
21 11:52 S 17 16.09 A Few Clouds FEW250 1.7 -11.1 38% -2 77.37 1031.4
21 10:52 S 19 16.09 A Few Clouds FEW250 0 -10.6 45% -5 77.47 1032.6
21 09:52 S 19 16.09 A Few Clouds FEW250 -1.7 -11.1 49% -7 77.55 1033.8
21 08:52 Calm 16.09 A Few Clouds FEW250 -2 -12 47% 77.57 0.0
21 07:52 Calm 16.09 Fair CLR -5 -13.3 53% 77.57 1033.9
21 06:52 Calm 16.09 Fair CLR -6.1 -15.6 47% 77.57 1034.1
21 05:52 Calm 16.09 Fair CLR -7.2 -13.9 59% 77.57 1033.9
21 04:52 Calm 16.09 Fair CLR -7.2 -13.9 59% 77.57 1034.1
21 03:52 Calm 16.09 Fair CLR -7.2 -13.3 62% 77.57 0.0
21 02:52 Calm 16.09 Fair CLR -6.7 -13.3 60% 77.57 1034.1
21 01:52 Calm 16.09 Fair CLR -6.1 -13.3 57% 77.57 1034.1
21 00:52 Calm 16.09 Fair CLR -5.6 -14.4 50% 77.57 1033.9
20 23:52 S 7 16.09 Fair CLR -5 -14.4 48% -8 77.57 1033.9
20 22:52 Calm 16.09 Fair CLR -4.4 -15.6 42% 77.55 1033.6
20 21:52 N 9 16.09 Fair CLR -3.3 -16.7 35% -7 77.52 1033.3
20 20:52 N 11 16.09 Fair CLR -2.2 -17.2 31% -6 77.5 1033.1
20 19:52 N 13 16.09 Fair CLR -2.2 -17.2 31% -6 77.47 1032.6
20 18:52 N 15 16.09 Fair CLR 0 -17.8 25% -4 77.39 1031.7
20 17:52 N 19 16.09 Fair CLR -1.1 -16.7 30% -6 77.34 1030.9
20 16:52 NW 20 16.09 Fair CLR 1.1 -16.7 25% -3 77.27 1030.0
20 15:52 W 22 G 31 16.09 Fair CLR 1 -17 25% -4 77.22 0.0
20 14:52 NW 19 G 31 16.09 Fair CLR 0 -17.2 26% -5 77.17 1028.7
20 13:52 NW 13 16.09 Fair CLR 0.6 -17.2 25% -3 77.17 1028.7
20 12:52 W 15 16.09 Fair CLR 1.1 -16.7 25% -3 77.19 1029.0
20 11:52 NW 19 G 37 16.09 Fair CLR -1.7 -21.7 20% -7 77.24 1029.7
20 10:52 NW 19 G 30 16.09 Fair CLR -2.8 -19.4 27% -8 77.32 1030.6
20 09:52 NW 17 16.09 A Few Clouds FEW250 -3.9 -19.4 29% -9 77.29 1030.1
20 08:52 N 17 16.09 A Few Clouds FEW250 -5.6 -19.4 33% -11 77.22 1029.3
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)