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. | ||||||||||||||||
| 29 | 13:55 | NW 22 G 28 | 16.09 | Fair | CLR | -3.6 | -17.6 | 33% | -10 | 76.68 | 1022.7 | ||||||
| 29 | 12:55 | W 7 | 16.09 | Fair | CLR | -4.4 | -18.3 | -4 | -9.6 | 33% | -7 | 76.73 | 1023.4 | ||||
| 29 | 11:55 | W 17 | 16.09 | Fair | CLR | -4.9 | -19.1 | 32% | -10 | 76.78 | 1024.1 | ||||||
| 29 | 10:55 | NW 19 | 16.09 | Fair | CLR | -5.4 | -19.2 | 33% | -11 | 76.86 | 1025.1 | ||||||
| 29 | 09:55 | NW 11 | 16.09 | A Few Clouds | FEW044 | -6.5 | -19.8 | 34% | -11 | 76.86 | 1025.1 | ||||||
| 29 | 08:55 | W 7 | 16.09 | Fair | CLR | -8.2 | -20.4 | 37% | -12 | 76.86 | 1025.1 | ||||||
| 29 | 06:55 | N 6 | 16.09 | Fair | CLR | -8.9 | -20.1 | -6.7 | -8.9 | 40% | 76.76 | 1023.8 | |||||
| 29 | 05:55 | NW 13 G 28 | 16.09 | Fair | CLR | -8.4 | -19.9 | 39% | -14 | 76.68 | 1022.7 | ||||||
| 29 | 04:55 | NW 9 | 16.09 | Fair | CLR | -8 | -19.3 | 40% | -12 | 76.66 | 1022.4 | ||||||
| 29 | 02:55 | Calm | 16.09 | Fair | CLR | -8.8 | -17.6 | 49% | 76.61 | 1021.7 | |||||||
| 29 | 01:55 | NW 9 | 16.09 | Fair | CLR | -7.6 | -17.3 | 46% | -12 | 76.56 | 1021.0 | ||||||
| 29 | 00:55 | NW 9 | 16.09 | Fair | CLR | -6.8 | -17.3 | -4.5 | -7.1 | 43% | -11 | 76.48 | 1020.0 | ||||
| 28 | 23:55 | NW 17 | 16.09 | Fair | CLR | -6.1 | -17.2 | 41% | -12 | 76.48 | 1020.0 | ||||||
| 28 | 22:55 | NW 11 | 16.09 | Fair | CLR | -6 | -16.9 | 42% | -10 | 76.45 | 1019.7 | ||||||
| 28 | 21:55 | NW 6 | 16.09 | Fair | CLR | -5.6 | -16.2 | 43% | 76.45 | 1019.7 | |||||||
| 28 | 20:55 | NW 9 | 16.09 | Fair | CLR | -4.7 | -15.4 | 43% | -8 | 76.43 | 1019.3 | ||||||
| 28 | 19:55 | Calm | 16.09 | Overcast | SCT050 OVC065 | -5.1 | -14.2 | 49% | 76.4 | 1019.0 | |||||||
| 28 | 18:55 | Calm | 16.09 | Overcast | OVC050 | -4.6 | -13.5 | -1.6 | -5.7 | 50% | 76.4 | 1019.0 | |||||
| 28 | 17:55 | Calm | 16.09 | A Few Clouds | FEW080 | -4.7 | -14.8 | 46% | 76.35 | 1018.3 | |||||||
| 28 | 16:55 | Calm | 16.09 | Fair | CLR | -3.6 | -16.2 | 37% | 76.33 | 1018.0 | |||||||
| 28 | 15:55 | Calm | 16.09 | Fair | CLR | -3.5 | -15.8 | 38% | 76.35 | 1018.3 | |||||||
| 28 | 14:55 | Calm | 16.09 | A Few Clouds | FEW150 | -3.8 | -15.8 | 39% | 76.38 | 1018.7 | |||||||
| 28 | 13:55 | S 6 | 16.09 | Fair | CLR | -4.3 | -16.2 | 39% | 76.45 | 1019.7 | |||||||
| 28 | 12:55 | NW 7 | 16.09 | Fair | CLR | -3.9 | -16.5 | -3.8 | -9.6 | 37% | -7 | 76.53 | 1020.7 | ||||
| 28 | 11:55 | SW 6 | 16.09 | Fair | CLR | -4.8 | -16.4 | 40% | 76.66 | 1022.4 | |||||||
| 28 | 10:55 | NW 6 | 16.09 | Fair | CLR | -5.6 | -16.8 | 41% | 76.78 | 1024.1 | |||||||
| 28 | 09:55 | NW 11 | 16.09 | Fair | CLR | -6.3 | -18.6 | 37% | -11 | 76.84 | 1024.8 | ||||||
| 28 | 08:55 | N 7 | 16.09 | Fair | CLR | -7.7 | -19.3 | 39% | -11 | 76.86 | 1025.1 | ||||||
| 28 | 07:55 | NW 6 | 16.09 | Fair | CLR | -8.8 | -18.1 | 47% | 76.84 | 1024.8 | |||||||
| 28 | 06:55 | Calm | 16.09 | Fair | CLR | -8.6 | -19 | -4.5 | -8.6 | 43% | 76.81 | 1024.4 | |||||
| 28 | 05:55 | NW 7 | 16.09 | Fair | CLR | -8.3 | -18.2 | 45% | -12 | 76.78 | 1024.1 | ||||||
| 28 | 04:55 | N 11 | 16.09 | Fair | CLR | -7.5 | -18.2 | 42% | -12 | 76.78 | 1024.1 | ||||||
| 28 | 03:55 | N 6 | 16.09 | Fair | CLR | -6.5 | -17.9 | 40% | 76.78 | 1024.1 | |||||||
| 28 | 02:55 | NW 24 G 33 | 16.09 | Partly Cloudy | SCT060 | -5.7 | -17.8 | 38% | -13 | 76.73 | 1023.4 | ||||||
| 28 | 01:55 | N 9 | 16.09 | Fair | CLR | -5 | -16.5 | 40% | -9 | 76.68 | 1022.7 | ||||||
| 28 | 00:55 | NW 13 | 16.09 | Mostly Cloudy | BKN045 | -4.6 | -15.6 | -1.4 | -4.7 | 42% | -9 | 76.63 | 1022.0 | ||||
| 27 | 23:55 | NW 17 | 16.09 | Partly Cloudy | SCT038 | -4.5 | -13.6 | 49% | -10 | 76.61 | 1021.7 | ||||||
| 27 | 22:55 | NW 13 | 16.09 | Partly Cloudy | SCT042 | -4.1 | -14 | 46% | -9 | 76.56 | 1021.0 | ||||||
| 27 | 21:55 | NW 17 G 30 | 16.09 | A Few Clouds | FEW075 | -3.4 | -14.5 | 42% | -8 | 76.5 | 1020.4 | ||||||
| 27 | 20:55 | NW 17 | 16.09 | Fair | CLR | -2.9 | -14.6 | 40% | -8 | 76.43 | 1019.4 | ||||||
| 27 | 19:55 | NW 19 | 16.09 | A Few Clouds | FEW070 | -1.5 | -15 | 35% | -6 | 76.35 | 1018.3 | ||||||
| 27 | 18:55 | Calm | 16.09 | Mostly Cloudy | BKN070 | -3.1 | -12.8 | 0.2 | -3.4 | 48% | 76.23 | 1016.6 | |||||
| 27 | 17:55 | S 6 | 16.09 | Overcast | OVC070 | -1.5 | -15 | 35% | 76.17 | 1016.0 | |||||||
| 27 | 16:55 | Calm | 16.09 | Mostly Cloudy | BKN060 BKN080 | 0.1 | -17.2 | 26% | 76.15 | 1015.6 | |||||||
| 27 | 15:55 | S 15 | 16.09 | Fair | CLR | -0.3 | -17.5 | 26% | -4 | 76.15 | 1015.6 | ||||||
| 27 | 14:55 | S 17 | 16.09 | Fair | CLR | -0.9 | -18.5 | 25% | -5 | 76.2 | 1016.3 | ||||||
| 27 | 13:55 | S 15 | 16.09 | A Few Clouds | FEW130 | -2.2 | -19.2 | 26% | -7 | 76.25 | 1017.0 | ||||||
| 27 | 12:55 | S 13 | 16.09 | Fair | CLR | -2.9 | -18.9 | -2.8 | -14.8 | 28% | -7 | 76.38 | 1018.7 | ||||
| 27 | 11:55 | S 13 | 16.09 | Fair | CLR | -4.6 | -17.8 | 35% | -9 | 76.5 | 1020.4 | ||||||
| 27 | 10:55 | S 9 | 16.09 | Fair | CLR | -5.4 | -18.5 | 35% | -9 | 76.61 | 1021.7 | ||||||
| 27 | 09:55 | W 7 | 16.09 | Fair | CLR | -6.7 | -18.7 | 38% | -10 | 76.68 | 1022.7 | ||||||
| 27 | 08:55 | Calm | 16.09 | Fair | CLR | -11.6 | -16.9 | 65% | 76.71 | 1023.1 | |||||||
| 27 | 07:55 | Calm | 16.09 | Fair | CLR | -14.1 | -17.3 | 77% | 76.76 | 1023.8 | |||||||
| 27 | 06:55 | Calm | 16.09 | Fair | CLR | -14.5 | -18.5 | -7.1 | -14.5 | 72% | 76.78 | 1024.1 | |||||
| 27 | 05:55 | Calm | 16.09 | Fair | CLR | -13.4 | -17.6 | 71% | 76.78 | 1024.1 | |||||||
| 27 | 04:55 | Calm | 16.09 | Fair | CLR | -11.4 | -17.5 | 61% | 76.81 | 1024.4 | |||||||
| 27 | 03:55 | NW 6 | 16.09 | Fair | CLR | -9.8 | -17.4 | 54% | 76.73 | 1023.4 | |||||||
| 27 | 02:55 | W 7 | 16.09 | Fair | CLR | -8 | -17.4 | 47% | -11 | 76.73 | 1023.4 | ||||||
| 27 | 01:55 | W 7 | 16.09 | Fair | CLR | -7.2 | -17.7 | 43% | -10 | 76.73 | 1023.4 | ||||||
| 27 | 00:55 | W 15 | 16.09 | Fair | CLR | -7.2 | -17.1 | -4.8 | -7.5 | 45% | -13 | 76.71 | 1023.1 | ||||
| 26 | 23:55 | W 9 G 28 | 16.09 | Fair | CLR | -6.6 | -17.1 | 43% | -10 | 76.68 | 1022.7 | ||||||
| 26 | 22:55 | W 30 G 41 | 16.09 | Fair | CLR | -6.2 | -17.3 | 41% | -14 | 76.63 | 1022.0 | ||||||
| 26 | 21:55 | W 15 | 16.09 | A Few Clouds | FEW050 | -5.9 | -17.1 | 41% | -11 | 76.58 | 1021.4 | ||||||
| 26 | 20:55 | W 28 G 41 | 16.09 | Fair | CLR | -5.6 | -16.8 | 41% | -13 | 76.5 | 1020.4 | ||||||
| 26 | 19:55 | W 24 | 16.09 | Fair | CLR | -5.2 | -15.6 | 44% | -12 | 76.43 | 1019.3 | ||||||
| 26 | 18:55 | W 19 G 33 | 16.09 | Fair | CLR | -5 | -15.1 | -1.4 | -5 | 45% | -11 | 76.38 | 1018.7 | ||||
| 26 | 17:55 | W 22 G 37 | 16.09 | Partly Cloudy | SCT050 | -4.3 | -15.3 | 42% | -11 | 76.3 | 1017.6 | ||||||
| 26 | 16:55 | NW 37 G 50 | 16.09 | A Few Clouds and Breezy | FEW055 | -3.8 | -15.8 | 39% | -12 | 76.2 | 1016.3 | ||||||
| 26 | 15:55 | NW 26 G 48 | 16.09 | Fair | CLR | -3.1 | -14.8 | 40% | -10 | 76.12 | 1015.3 | ||||||
| 26 | 14:55 | NW 41 G 52 | 16.09 | Fair and Breezy | CLR | -2.5 | -14.6 | 39% | -10 | 76.05 | 1014.3 | ||||||
| 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) | |||||||||||||||