Weather observations for the past three days for
Fort Belvoir
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 21 | 13:55 | Calm | 10.00 | Fair | CLR | 80.8 | 58.1 | 81.3 | 66.9 | 46% | 81 | 30.05 | 1017.8 | ||||
| 21 | 12:55 | Calm | 10.00 | Fair | CLR | 78.8 | 57.9 | 49% | 80 | 30.07 | 1018.5 | ||||||
| 21 | 11:55 | NW 6 | 10.00 | Fair | CLR | 78.1 | 59 | 52% | 79 | 30.09 | 1019.2 | ||||||
| 21 | 10:55 | Calm | 10.00 | Fair | CLR | 75.7 | 60.8 | 60% | 78 | 30.09 | 1019.2 | ||||||
| 21 | 09:55 | Calm | 10.00 | Fair | CLR | 74.3 | 60.4 | 62% | 30.09 | 1019.2 | |||||||
| 21 | 08:55 | NW 6 | 10.00 | Fair | CLR | 70.9 | 61.3 | 72% | 30.08 | 1018.8 | |||||||
| 21 | 07:55 | NW 5 | 10.00 | Fair | CLR | 67.1 | 61.3 | 67.3 | 63.1 | 82% | 30.07 | 1018.5 | |||||
| 21 | 06:55 | NW 6 | 10.00 | Fair | CLR | 64.4 | 61.3 | 90% | 30.07 | 1018.5 | |||||||
| 21 | 05:55 | Calm | 10.00 | Fair | CLR | 63.7 | 62.2 | 95% | 30.05 | 1017.8 | |||||||
| 21 | 04:55 | Calm | 10.00 | Fair | CLR | 64.4 | 63 | 95% | 30.03 | 1017.1 | |||||||
| 21 | 03:55 | Calm | 10.00 | Fair | CLR | 65.8 | 63.5 | 92% | 30.02 | 1016.8 | |||||||
| 21 | 02:55 | Calm | 10.00 | Mostly Cloudy | BKN090 | 66 | 64.2 | 94% | 30.01 | 1016.5 | |||||||
| 21 | 01:55 | Calm | 10.00 | Overcast | OVC085 | 67.5 | 63.7 | 75.6 | 67.5 | 88% | 30.01 | 1016.5 | |||||
| 21 | 00:55 | NW 6 | 10.00 | Fair | CLR | 68.2 | 63.5 | 85% | 30.01 | 1016.5 | |||||||
| 20 | 23:55 | NW 3 | 10.00 | Fair | CLR | 68.7 | 65.3 | 89% | 30.01 | 1016.5 | |||||||
| 20 | 22:55 | Calm | 10.00 | A Few Clouds | FEW100 | 69.4 | 65.3 | 87% | 29.99 | 1015.8 | |||||||
| 20 | 21:55 | NW 3 | 10.00 | Fair | CLR | 69.1 | 64.9 | 87% | 29.99 | 1015.8 | |||||||
| 20 | 20:55 | N 5 | 10.00 | Partly Cloudy | SCT095 | 71.8 | 66 | 82% | 29.96 | 1014.8 | |||||||
| 20 | 19:55 | NW 6 | 10.00 | A Few Clouds | FEW100 | 75.7 | 72 | 92.3 | 73.4 | 88% | 76 | 29.92 | 1013.4 | 0.61 | |||
| 20 | 18:55 | NW 3 | 10.00 | Light Rain | SCT028 BKN085 | 75.6 | 73 | 92% | 75 | 29.88 | 1012.1 | 0.37 | |||||
| 20 | 17:55 | W 14 G 29 | 4.00 | Thunderstorm Heavy Rain | SCT021 OVC048 | 76.1 | 70.2 | 82% | 77 | 29.94 | 1014.1 | 0.24 | |||||
| 20 | 16:55 | Calm | 10.00 | A Few Clouds | FEW055 | 90.5 | 70.9 | 53% | 97 | 29.83 | 1010.3 | ||||||
| 20 | 15:55 | S 5 | 10.00 | A Few Clouds | FEW050 FEW150 | 91.6 | 70.9 | 51% | 98 | 29.83 | 1010.3 | ||||||
| 20 | 14:55 | S 7 | 10.00 | Fair | CLR | 91 | 74.1 | 58% | 101 | 29.84 | 1010.7 | ||||||
| 20 | 13:55 | S 7 | 10.00 | Fair | CLR | 89.4 | 75.9 | 89.4 | 76.6 | 65% | 101 | 29.89 | 1012.4 | ||||
| 20 | 12:55 | S 3 | 10.00 | A Few Clouds | FEW120 FEW210 | 84.4 | 75 | 74% | 93 | 29.92 | 1013.4 | ||||||
| 20 | 11:55 | SE 3 | 10.00 | A Few Clouds | FEW110 | 82.8 | 73.9 | 75% | 89 | 29.92 | 1013.4 | ||||||
| 20 | 10:55 | E 5 | 10.00 | A Few Clouds | FEW065 | 81.3 | 74.1 | 79% | 87 | 29.93 | 1013.8 | ||||||
| 20 | 09:55 | SE 5 | 10.00 | A Few Clouds | FEW120 | 80.2 | 73.4 | 80% | 85 | 29.93 | 1013.8 | ||||||
| 20 | 08:55 | Calm | 10.00 | Fair | CLR | 78.4 | 74.5 | 88% | 81 | 29.93 | 1013.8 | ||||||
| 20 | 07:55 | Calm | 10.00 | Fair | CLR | 76.5 | 73.9 | 76.5 | 71.4 | 92% | 77 | 29.93 | 1013.8 | 0.03 | |||
| 20 | 06:55 | Calm | 8.00 | A Few Clouds | FEW050 | 73.2 | 71.4 | 94% | 29.93 | 1013.7 | |||||||
| 20 | 05:55 | Calm | 5.00 | Fog/Mist | SCT055 BKN110 | 72.5 | 70.9 | 95% | 29.92 | 1013.4 | |||||||
| 20 | 04:55 | Calm | 10.00 | Partly Cloudy | FEW028 SCT050 | 73.4 | 70.9 | 92% | 29.92 | 1013.4 | 0.03 | 0.03 | |||||
| 20 | 03:55 | Calm | 10.00 | Partly Cloudy | FEW060 SCT140 | 72.7 | 69.8 | 91% | 29.93 | 1013.7 | |||||||
| 20 | 02:55 | Calm | 10.00 | Mostly Cloudy | SCT090 BKN130 BKN170 | 72.3 | 70.2 | 93% | 29.94 | 1014.1 | |||||||
| 20 | 01:55 | Calm | 10.00 | Overcast | OVC160 | 71.4 | 69.3 | 78.1 | 70.7 | 93% | 29.94 | 1014.1 | |||||
| 20 | 00:55 | Calm | 10.00 | Fair | CLR | 71.1 | 68.9 | 93% | 29.94 | 1014.1 | |||||||
| 19 | 23:55 | Calm | 10.00 | A Few Clouds | FEW180 | 71.8 | 69.3 | 92% | 29.93 | 1013.7 | |||||||
| 19 | 22:55 | Calm | 10.00 | Fair | CLR | 72.7 | 68.5 | 87% | 29.92 | 1013.4 | |||||||
| 19 | 21:55 | Calm | 10.00 | Fair | CLR | 73.4 | 69.6 | 88% | 29.91 | 1013.1 | |||||||
| 19 | 20:55 | Calm | 10.00 | Fair | CLR | 74.5 | 70 | 86% | 29.91 | 1013.1 | |||||||
| 19 | 19:55 | Calm | 10.00 | NULL | NULL | 78.3 | 70.7 | 89.6 | 78.3 | 78% | 81 | 29.89 | 1012.4 | ||||
| 19 | 18:55 | SW 3 | 10.00 | Fair | CLR | 87.8 | 64.4 | 46% | 89 | 29.89 | 1012.4 | ||||||
| 19 | 17:55 | NW 6 | 10.00 | Fair | CLR | 88.7 | 63.9 | 44% | 90 | 29.89 | 1012.4 | ||||||
| 19 | 16:55 | W 5 | 10.00 | Fair | CLR | 87.8 | 62.4 | 43% | 88 | 29.88 | 1012.1 | ||||||
| 19 | 15:55 | W 5 | 10.00 | Fair | CLR | 89.2 | 61.7 | 40% | 90 | 29.89 | 1012.4 | ||||||
| 19 | 13:55 | W 6 | 10.00 | Fair | CLR | 87.6 | 61.7 | 88 | 69.1 | 42% | 88 | 29.91 | 1013.1 | ||||
| 19 | 12:55 | W 7 | 10.00 | Fair | CLR | 87.4 | 61.5 | 42% | 88 | 29.92 | 1013.4 | ||||||
| 19 | 11:55 | NW 3 | 10.00 | Fair | CLR | 85.3 | 60.3 | 43% | 85 | 29.93 | 1013.7 | ||||||
| 19 | 09:55 | Calm | 10.00 | Fair | CLR | 81.1 | 61.9 | 52% | 82 | 29.91 | 1013.1 | ||||||
| 19 | 08:55 | W 3 | 10.00 | Fair | CLR | 76.1 | 62.1 | 62% | 78 | 29.92 | 1013.4 | ||||||
| 19 | 07:55 | NW 3 | 10.00 | Fair | CLR | 68.7 | 64.9 | 68.7 | 64.9 | 88% | 29.93 | 1013.8 | |||||
| 19 | 06:55 | Calm | 10.00 | Fair | CLR | 64.9 | 63.1 | 94% | 29.92 | 1013.4 | |||||||
| 19 | 05:55 | Calm | 10.00 | Fair | CLR | 66.2 | 64 | 93% | 29.9 | 1012.7 | |||||||
| 19 | 04:55 | Calm | 10.00 | Fair | CLR | 67.1 | 65.7 | 95% | 29.9 | 1012.7 | |||||||
| 19 | 03:55 | Calm | 10.00 | Fair | CLR | 68 | 65.8 | 93% | 29.89 | 1012.4 | |||||||
| 19 | 02:55 | Calm | 10.00 | Fair | CLR | 68 | 66.2 | 94% | 29.9 | 1012.7 | |||||||
| 19 | 01:55 | Calm | 10.00 | Fair | CLR | 68.5 | 66.7 | 78.3 | 68.4 | 94% | 29.9 | 1012.7 | |||||
| 19 | 00:55 | Calm | 10.00 | Fair | CLR | 70 | 67.8 | 93% | 29.91 | 1013.1 | |||||||
| 18 | 23:55 | Calm | 10.00 | Fair | CLR | 70.2 | 68 | 93% | 29.89 | 1012.4 | |||||||
| 18 | 22:55 | Calm | 10.00 | Fair | CLR | 71.6 | 68.2 | 89% | 29.89 | 1012.4 | |||||||
| 18 | 20:55 | Calm | 10.00 | Fair | CLR | 74.3 | 68.4 | 82% | 29.88 | 1012.1 | |||||||
| 18 | 19:55 | Calm | 10.00 | Fair | CLR | 78.4 | 70.5 | 89.2 | 78.4 | 77% | 81 | 29.87 | 1011.7 | ||||
| 18 | 18:55 | NW 7 | 10.00 | Mostly Cloudy | BKN085 | 86.9 | 64.2 | 47% | 88 | 29.86 | 1011.4 | ||||||
| 18 | 17:55 | N 5 | 10.00 | Mostly Cloudy | BKN080 | 87.8 | 63.7 | 45% | 89 | 29.86 | 1011.4 | ||||||
| 18 | 16:55 | NW 5 | 10.00 | Mostly Cloudy | BKN070 | 87.1 | 66.7 | 51% | 90 | 29.86 | 1011.4 | ||||||
| 18 | 15:55 | NW 9 | 10.00 | A Few Clouds | FEW070 FEW085 | 87.8 | 66.7 | 50% | 91 | 29.86 | 1011.4 | ||||||
| 18 | 14:55 | NW 6 | 10.00 | A Few Clouds | FEW070 | 87.6 | 66.6 | 50% | 90 | 29.86 | 1011.4 | ||||||
| Date | Time (edt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||