Weather observations for the past three days for
Fort Belvoir
| 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. | ||||||||||||||||
| 21 | 17:55 | SE 9 | 16.09 | Fair | CLR | 5.1 | -14.4 | 23% | 3 | 76.73 | 1023.4 | ||||||
| 21 | 16:55 | S 9 | 16.09 | Fair | CLR | 5.6 | -15.6 | 20% | 4 | 76.76 | 1023.7 | ||||||
| 21 | 15:55 | S 13 | 16.09 | Fair | CLR | 5.8 | -16.7 | 18% | 3 | 76.81 | 1024.4 | ||||||
| 21 | 14:55 | S 17 | 16.09 | Fair | CLR | 5.2 | -17.2 | 18% | 2 | 76.86 | 1025.1 | ||||||
| 21 | 13:55 | S 17 | 16.09 | Fair | CLR | 6 | -17.2 | 17% | 3 | 76.94 | 1026.1 | ||||||
| 21 | 12:55 | S 17 G 33 | 16.09 | Fair | CLR | 4 | -17 | 4 | -11.2 | 20% | 1 | 77.11 | 1028.5 | ||||
| 21 | 11:55 | S 13 | 16.09 | Fair | CLR | 2.3 | -14.8 | 27% | -1 | 77.32 | 1031.2 | ||||||
| 21 | 10:55 | SE 13 | 16.09 | Fair | CLR | 0.6 | -13.5 | 34% | -3 | 77.39 | 1032.2 | ||||||
| 21 | 09:55 | S 9 | 16.09 | Fair | CLR | -1.3 | -10.9 | 48% | -4 | 77.5 | 1033.6 | ||||||
| 21 | 08:55 | Calm | 16.09 | Fair | CLR | -5.2 | -10.6 | 66% | 77.5 | 1033.6 | |||||||
| 21 | 06:55 | Calm | 16.09 | Fair | CLR | -10.4 | -13.7 | -9 | -11.4 | 77% | 77.5 | 1033.6 | |||||
| 21 | 05:55 | Calm | 16.09 | Fair | CLR | -10.2 | -13.8 | 75% | 77.52 | 1033.9 | |||||||
| 21 | 04:55 | Calm | 16.09 | Fair | CLR | -10.7 | -14.1 | 76% | 77.52 | 1033.9 | |||||||
| 21 | 03:55 | Calm | 16.09 | Fair | CLR | -10.7 | -14.6 | 73% | 77.52 | 1033.9 | |||||||
| 21 | 02:55 | Calm | 16.09 | Fair | CLR | -10.3 | -15.1 | 68% | 77.52 | 1033.9 | |||||||
| 21 | 01:55 | Calm | 16.09 | Fair | CLR | -10 | -16.1 | 61% | 77.52 | 1033.9 | |||||||
| 21 | 00:55 | Calm | 16.09 | Fair | CLR | -9.4 | -16.2 | -1.9 | -9.7 | 58% | 77.5 | 1033.6 | |||||
| 20 | 23:55 | Calm | 16.09 | Fair | CLR | -8.5 | -15.3 | 58% | 77.52 | 1033.9 | |||||||
| 20 | 22:55 | Calm | 16.09 | Fair | CLR | -7.6 | -17.3 | 46% | 77.5 | 1033.6 | |||||||
| 20 | 21:55 | Calm | 16.09 | Fair | CLR | -6.9 | -18.3 | 40% | 77.44 | 1032.9 | |||||||
| 20 | 20:55 | Calm | 16.09 | Fair | CLR | -4.2 | -19.6 | 29% | 77.42 | 1032.6 | |||||||
| 20 | 19:55 | NW 6 | 16.09 | Fair | CLR | -2.9 | -21.7 | 22% | 77.42 | 1032.5 | |||||||
| 20 | 18:55 | NW 9 | 16.09 | Fair | CLR | -1.8 | -23 | 1.1 | -3.1 | 18% | -5 | 77.32 | 1031.2 | ||||
| 20 | 17:55 | NW 7 | 16.09 | Fair | CLR | -1.3 | -22 | 19% | -4 | 77.24 | 1030.2 | ||||||
| 20 | 16:55 | W 9 | 16.09 | Fair | CLR | -0.4 | -23.2 | 16% | -3 | 77.19 | 1029.5 | ||||||
| 20 | 15:55 | W 15 | 16.09 | Fair | CLR | 0.7 | -24.6 | 13% | -3 | 77.17 | 1029.1 | ||||||
| 20 | 14:55 | W 15 | 16.09 | Fair | CLR | 1.1 | -25.2 | 12% | -3 | 77.11 | 1028.5 | ||||||
| 20 | 13:55 | W 15 G 31 | 16.09 | Fair | CLR | 0.4 | -21.9 | 17% | -3 | 77.09 | 1028.1 | ||||||
| 20 | 12:55 | W 15 | 16.09 | Fair | CLR | -0.5 | -22 | -0.3 | -6.3 | 18% | -5 | 77.11 | 1028.5 | ||||
| 20 | 10:55 | NW 15 | 16.09 | Fair | CLR | -1.7 | -20.7 | 22% | -6 | 77.24 | 1030.2 | ||||||
| 20 | 09:55 | W 15 | 16.09 | Fair | CLR | -2.8 | -20.6 | 24% | -7 | 77.22 | 1029.8 | ||||||
| 20 | 08:55 | NW 9 | 16.09 | Fair | CLR | -5.1 | -20 | 30% | -9 | 77.17 | 1029.1 | ||||||
| 20 | 07:55 | NW 9 | 16.09 | Fair | CLR | -5.9 | -19.6 | 33% | -10 | 77.11 | 1028.5 | ||||||
| 20 | 06:55 | NW 7 | 16.09 | Fair | CLR | -5.9 | -19.6 | -0.7 | -6 | 33% | -9 | 77.04 | 1027.5 | ||||
| 20 | 05:55 | NW 13 | 16.09 | Fair | CLR | -5.5 | -19.6 | 32% | -10 | 76.99 | 1026.8 | ||||||
| 20 | 04:55 | NW 15 | 16.09 | Fair | CLR | -4.7 | -19.3 | 31% | -10 | 76.89 | 1025.4 | ||||||
| 20 | 03:55 | NW 17 G 30 | 16.09 | Fair | CLR | -4.3 | -18.6 | 32% | -10 | 76.86 | 1025.1 | ||||||
| 20 | 01:55 | NW 15 G 37 | 16.09 | Fair | CLR | -2.1 | -16.6 | 32% | -7 | 76.76 | 1023.7 | ||||||
| 20 | 00:55 | NW 24 G 35 | 16.09 | A Few Clouds | FEW210 | -0.7 | -15.4 | 1.8 | -1.1 | 32% | -6 | 76.68 | 1022.7 | ||||
| 19 | 23:55 | N 13 | 16.09 | A Few Clouds | FEW190 | 0.9 | -14 | 32% | -3 | 76.61 | 1021.7 | ||||||
| 19 | 22:55 | NW 15 | 16.09 | Partly Cloudy | SCT170 | 1.6 | -13.7 | 31% | -2 | 76.5 | 1020.3 | ||||||
| 19 | 21:55 | NW 9 | 16.09 | Fair | CLR | 0.5 | -12.2 | 38% | -2 | 76.45 | 1019.6 | ||||||
| 19 | 20:55 | Calm | 16.09 | Fair | CLR | -0.4 | -12.1 | 41% | 76.38 | 1018.6 | |||||||
| 19 | 19:55 | NW 7 | 16.09 | Fair | CLR | 0.9 | -11.5 | 39% | -1 | 76.35 | 1018.3 | ||||||
| 19 | 16:55 | S 6 | 16.09 | Fair | CLR | 6.1 | -11.1 | 28% | 76.12 | 1015.2 | |||||||
| 19 | 15:55 | S 7 | 16.09 | Fair | CLR | 5.2 | -10.2 | 32% | 4 | 76.1 | 1014.9 | ||||||
| 19 | 14:55 | SW 11 | 16.09 | Fair | CLR | 5.8 | -10.5 | 30% | 4 | 76.07 | 1014.6 | ||||||
| 19 | 11:55 | SW 15 | 16.09 | Fair | CLR | 4.4 | -10.5 | 33% | 1 | 76.12 | 1015.2 | ||||||
| 19 | 10:55 | SW 13 | 16.09 | Fair | CLR | 3.5 | -9.8 | 37% | 1 | 76.2 | 1016.3 | ||||||
| 19 | 09:55 | SW 7 | 16.09 | Fair | CLR | 0.3 | -8.7 | 51% | -2 | 76.2 | 1016.3 | ||||||
| 19 | 08:55 | SW 6 | 16.09 | Fair | CLR | -2.1 | -8 | 64% | 76.17 | 1015.9 | |||||||
| 19 | 07:55 | NW 6 | 16.09 | Fair | CLR | -7.7 | -10 | 84% | 76.15 | 1015.6 | |||||||
| 19 | 06:55 | Calm | 16.09 | Fair | CLR | -7.7 | -10.1 | -3.1 | -8.3 | 83% | 76.17 | 1015.9 | |||||
| 19 | 04:55 | Calm | 16.09 | NULL | NULL | -7.3 | -10.3 | 79% | 76.12 | 1015.3 | |||||||
| 19 | 03:55 | Calm | 16.09 | Mostly Cloudy | BKN110 | -6.3 | -10.7 | 71% | 76.17 | 1015.9 | |||||||
| 19 | 02:55 | Calm | 16.09 | Fair | CLR | -6.8 | -10.3 | 76% | 76.15 | 1015.6 | |||||||
| 19 | 01:55 | S 6 | 16.09 | Fair | CLR | -5.5 | -10.1 | 70% | 76.12 | 1015.2 | |||||||
| 19 | 00:55 | W 6 | 16.09 | Fair | CLR | -3.7 | -11.9 | 0.4 | -4.4 | 53% | 76.07 | 1014.6 | |||||
| 18 | 23:55 | NW 6 | 16.09 | Fair | CLR | -3.2 | -12.2 | 50% | 76.07 | 1014.6 | |||||||
| 18 | 22:55 | NW 11 | 16.09 | Fair | CLR | -2.2 | -11 | 51% | -6 | 76.07 | 1014.6 | ||||||
| 18 | 21:55 | NW 7 | 16.09 | Fair | CLR | -1.3 | -10.4 | 50% | -4 | 76.07 | 1014.6 | ||||||
| 18 | 20:55 | NW 9 | 16.09 | A Few Clouds | FEW065 | -0.6 | -10.5 | 48% | -3 | 76.07 | 1014.6 | ||||||
| 18 | 19:55 | NW 11 | 16.09 | Overcast | OVC065 | 0.4 | -9.6 | 47% | -3 | 76 | 1013.5 | ||||||
| 18 | 18:55 | NW 6 | 16.09 | Overcast | SCT050 OVC060 | 0 | -7.5 | 4 | -0.2 | 57% | 76 | 1013.5 | |||||
| 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) | |||||||||||||||