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. | ||||||||||||||||
| 13 | 18:55 | Calm | 16.09 | Fair | CLR | -0.6 | -9.8 | 6.1 | -0.7 | 50% | 76.68 | 1022.7 | |||||
| 13 | 16:55 | NW 6 | 16.09 | Fair | CLR | 3.7 | -12.7 | 29% | 76.66 | 1022.3 | |||||||
| 13 | 15:55 | NW 9 | 16.09 | Fair | CLR | 4.2 | -12.7 | 28% | 2 | 76.66 | 1022.4 | ||||||
| 13 | 13:55 | NW 19 | 16.09 | Fair | CLR | 2.7 | -12 | 33% | -1 | 76.68 | 1022.7 | ||||||
| 13 | 12:55 | W 13 | 16.09 | Fair | CLR | 2.3 | -10.9 | 2.4 | -4.2 | 37% | -1 | 76.73 | 1023.4 | ||||
| 13 | 11:55 | NW 15 | 16.09 | Fair | CLR | 1.6 | -11.2 | 38% | -2 | 76.81 | 1024.4 | ||||||
| 13 | 10:55 | NW 13 G 30 | 16.09 | Fair | CLR | 1.1 | -11.3 | 39% | -2 | 76.86 | 1025.1 | ||||||
| 13 | 09:55 | NW 24 | 16.09 | Fair | CLR | 0 | -11.4 | 42% | -5 | 76.86 | 1025.1 | ||||||
| 13 | 08:55 | NW 15 | 16.09 | Fair | CLR | -1.1 | -11.5 | 46% | -5 | 76.86 | 1025.1 | ||||||
| 13 | 07:55 | NW 13 | 16.09 | Fair | CLR | -2 | -11.1 | 50% | -6 | 76.84 | 1024.7 | ||||||
| 13 | 06:55 | NW 6 | 16.09 | Fair | CLR | -3.6 | -10.7 | -0.6 | -5.2 | 58% | 76.78 | 1024.1 | |||||
| 13 | 05:55 | Calm | 16.09 | Fair | CLR | -3.4 | -9.6 | 63% | 76.73 | 1023.4 | |||||||
| 13 | 04:55 | NW 7 | 16.09 | Fair | CLR | -2.4 | -9.5 | 59% | -5 | 76.71 | 1023.0 | ||||||
| 13 | 03:55 | Calm | 16.09 | Fair | CLR | -3.7 | -9.5 | 64% | 76.66 | 1022.4 | |||||||
| 13 | 02:55 | Calm | 16.09 | Fair | CLR | -3.5 | -9.1 | 66% | 76.68 | 1022.7 | |||||||
| 13 | 01:55 | Calm | 16.09 | Fair | CLR | -2.5 | -9.9 | 57% | 76.66 | 1022.3 | |||||||
| 13 | 00:55 | NW 6 | 16.09 | Fair | CLR | -0.7 | -9.8 | 2.6 | -0.7 | 51% | 76.66 | 1022.3 | |||||
| 12 | 23:55 | NW 9 | 16.09 | Fair | CLR | -0.3 | -10 | 48% | -3 | 76.61 | 1021.7 | ||||||
| 12 | 22:55 | NW 9 | 16.09 | Fair | CLR | 0.1 | -10.2 | 46% | -3 | 76.61 | 1021.7 | ||||||
| 12 | 21:55 | NW 6 | 16.09 | Fair | CLR | 0.5 | -10.1 | 45% | 76.61 | 1021.7 | |||||||
| 12 | 20:55 | NW 13 | 16.09 | Fair | CLR | 0.5 | -9.3 | 48% | -3 | 76.61 | 1021.7 | ||||||
| 12 | 19:55 | NW 13 | 16.09 | Fair | CLR | 0.8 | -9.8 | 45% | -3 | 76.61 | 1021.7 | ||||||
| 12 | 16:55 | NW 28 | 16.09 | A Few Clouds | FEW050 | 3.8 | -7.9 | 43% | -1 | 76.45 | 1019.6 | ||||||
| 12 | 15:55 | NW 11 | 16.09 | A Few Clouds | FEW050 | 4.6 | -7.9 | 40% | 2 | 76.43 | 1019.3 | ||||||
| 12 | 14:55 | NW 26 G 41 | 16.09 | Fair | CLR | 3.9 | -7.9 | 42% | -1 | 76.4 | 1018.9 | ||||||
| 12 | 13:55 | NW 26 G 41 | 16.09 | Partly Cloudy | SCT049 | 3.8 | -7.6 | 44% | -1 | 76.43 | 1019.3 | ||||||
| 12 | 12:55 | NW 15 | 16.09 | Overcast | OVC045 | 3 | -7.2 | 4.5 | 0.3 | 47% | -0 | 76.48 | 1020.0 | ||||
| 12 | 11:55 | NW 24 G 28 | 16.09 | Overcast | OVC045 | 3 | -7.2 | 47% | -2 | 76.5 | 1020.3 | ||||||
| 12 | 10:55 | NW 17 G 31 | 16.09 | Mostly Cloudy | BKN043 | 2.7 | -7.2 | 48% | -1 | 76.53 | 1020.6 | ||||||
| 12 | 09:55 | NW 9 | 16.09 | Mostly Cloudy | BKN047 | 2.3 | -7.3 | 49% | -0 | 76.5 | 1020.3 | ||||||
| 12 | 08:55 | NW 9 | 16.09 | Overcast | OVC046 | 2 | -7.3 | 51% | -0 | 76.48 | 1020.0 | ||||||
| 12 | 07:55 | NW 19 | 16.09 | Overcast | OVC045 | 1.9 | -7.7 | 49% | -2 | 76.45 | 1019.6 | ||||||
| 12 | 06:55 | NW 15 G 26 | 16.09 | Overcast | OVC047 | 2.1 | -7.2 | 3.7 | 1.4 | 51% | -1 | 76.4 | 1018.9 | ||||
| 12 | 05:55 | NW 19 G 30 | 16.09 | Overcast | OVC047 | 2.1 | -7.5 | 49% | -2 | 76.38 | 1018.6 | ||||||
| 12 | 04:55 | NW 19 | 16.09 | Overcast | OVC047 | 2.4 | -7 | 50% | -2 | 76.33 | 1017.9 | ||||||
| 12 | 03:55 | NW 37 G 48 | 16.09 | Overcast and Breezy | OVC044 | 3 | -6.7 | 49% | -3 | 76.28 | 1017.2 | ||||||
| 12 | 02:55 | W 22 G 37 | 16.09 | Overcast | OVC044 | 3.1 | -6.1 | 51% | -1 | 76.3 | 1017.6 | ||||||
| 12 | 01:55 | NW 20 G 35 | 16.09 | Overcast | OVC044 | 2.1 | -7.8 | 48% | -2 | 76.28 | 1017.2 | ||||||
| 12 | 00:55 | NW 13 | 16.09 | Overcast | OVC046 | 3.3 | -6.4 | 7.8 | 3 | 49% | 0 | 76.28 | 1017.2 | ||||
| 11 | 22:55 | W 26 | 16.09 | Overcast | OVC055 | 3.2 | -7.6 | 45% | -2 | 76.2 | 1016.2 | ||||||
| 11 | 21:55 | NW 19 | 16.09 | Overcast | OVC055 | 6 | -4.2 | 48% | 3 | 76.17 | 1015.9 | ||||||
| 11 | 18:55 | NW 20 | 16.09 | Partly Cloudy | SCT060 | 5.3 | -6 | 11.3 | 4.9 | 44% | 2 | 76.07 | 1014.5 | ||||
| 11 | 17:55 | NW 28 G 41 | 16.09 | Fair | CLR | 6.4 | -5.6 | 42% | 2 | 76 | 1013.5 | ||||||
| 11 | 16:55 | NW 19 G 37 | 16.09 | Fair | CLR | 9 | -5.3 | 36% | 7 | 75.9 | 1012.2 | ||||||
| 11 | 15:55 | NW 24 G 41 | 16.09 | Fair | CLR | 9 | -5.7 | 35% | 6 | 75.82 | 1011.1 | ||||||
| 11 | 14:55 | NW 19 | 16.09 | Fair | CLR | 9.9 | -5.2 | 34% | 8 | 75.82 | 1011.1 | ||||||
| 11 | 13:55 | NW 19 G 35 | 16.09 | Fair | CLR | 10.6 | -3.5 | 37% | 75.77 | 1010.5 | |||||||
| 11 | 12:55 | NW 17 G 35 | 16.09 | Fair | CLR | 9.4 | -3.9 | 11.6 | 6.2 | 39% | 7 | 75.79 | 1010.8 | ||||
| 11 | 11:55 | NW 24 G 39 | 16.09 | Fair | CLR | 8.3 | -4.2 | 41% | 5 | 75.82 | 1011.1 | ||||||
| 11 | 10:55 | NW 26 G 33 | 16.09 | Fair | CLR | 9.4 | -2.2 | 44% | 6 | 75.87 | 1011.8 | ||||||
| 11 | 09:55 | NW 31 | 16.09 | Fair | CLR | 9.1 | -2.5 | 44% | 6 | 75.84 | 1011.5 | ||||||
| 11 | 08:55 | NW 26 G 39 | 16.09 | Fair | CLR | 8.5 | -1.9 | 48% | 5 | 75.79 | 1010.8 | ||||||
| 11 | 07:55 | N 9 | 16.09 | Fair | CLR | 8.3 | 0.3 | 57% | 7 | 75.79 | 1010.8 | ||||||
| 11 | 06:55 | NW 13 | 16.09 | Fair | CLR | 8.2 | 0.4 | 10.4 | 0.1 | 58% | 6 | 75.69 | 1009.5 | ||||
| 11 | 05:55 | NW 17 G 31 | 16.09 | Fair | CLR | 8.5 | 0.2 | 56% | 6 | 75.59 | 1008.1 | ||||||
| 11 | 04:55 | NW 7 | 16.09 | Fair | CLR | 5 | 0.2 | 71% | 4 | 75.54 | 1007.4 | ||||||
| 11 | 03:55 | NW 6 | 16.09 | Mostly Cloudy | SCT050 BKN070 BKN090 | 1.8 | -2.3 | 75% | 75.51 | 1007.1 | |||||||
| 11 | 02:55 | Calm | 16.09 | Overcast | BKN055 OVC070 | 1.4 | -2.5 | 76% | 75.46 | 1006.4 | |||||||
| 11 | 01:55 | Calm | 16.09 | Partly Cloudy | SCT080 | 0.5 | -4 | 72% | 75.41 | 1005.7 | |||||||
| 11 | 00:55 | Calm | 16.09 | Fair | CLR | 0.3 | -4.3 | 2.8 | -0.1 | 72% | 75.41 | 1005.7 | |||||
| 10 | 23:55 | Calm | 16.09 | Fair | CLR | 0.5 | -4.5 | 70% | 75.44 | 1006.1 | |||||||
| 10 | 22:55 | Calm | 16.09 | Fair | CLR | 1 | -5.3 | 63% | 75.49 | 1006.8 | |||||||
| 10 | 21:55 | Calm | 16.09 | Fair | CLR | 1.2 | -4.9 | 64% | 75.59 | 1008.1 | |||||||
| 10 | 20:55 | Calm | 16.09 | Fair | CLR | 1 | -4.2 | 69% | 75.69 | 1009.5 | |||||||
| 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) | |||||||||||||||