Weather observations for the past three days for
Washington/Reagan National Airport, DC
| 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) | |||||||||||||||