Weather observations for the past three days for
Fort Belvoir
| Date | Time (est) | 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. | ||||||||||||||||
| 20 | 16:55 | W 6 | 10.00 | Fair | CLR | 31.3 | -9.8 | 16% | 26 | 30.39 | 1029.5 | ||||||
| 20 | 15:55 | W 9 | 10.00 | Fair | CLR | 33.3 | -12.3 | 13% | 26 | 30.38 | 1029.1 | ||||||
| 20 | 14:55 | W 9 | 10.00 | Fair | CLR | 34 | -13.4 | 12% | 27 | 30.36 | 1028.5 | ||||||
| 20 | 13:55 | W 9 G 20 | 10.00 | Fair | CLR | 32.7 | -7.4 | 17% | 26 | 30.35 | 1028.1 | ||||||
| 20 | 12:55 | W 9 | 10.00 | Fair | CLR | 31.1 | -7.6 | 31.5 | 20.7 | 18% | 24 | 30.36 | 1028.5 | ||||
| 20 | 10:55 | NW 9 | 10.00 | Fair | CLR | 28.9 | -5.3 | 22% | 21 | 30.41 | 1030.2 | ||||||
| 20 | 09:55 | W 9 | 10.00 | Fair | CLR | 27 | -5.1 | 24% | 19 | 30.4 | 1029.8 | ||||||
| 20 | 08:55 | NW 6 | 10.00 | Fair | CLR | 22.8 | -4 | 30% | 16 | 30.38 | 1029.1 | ||||||
| 20 | 07:55 | NW 6 | 10.00 | Fair | CLR | 21.4 | -3.3 | 33% | 15 | 30.36 | 1028.5 | ||||||
| 20 | 06:55 | NW 5 | 10.00 | Fair | CLR | 21.4 | -3.3 | 30.7 | 21.2 | 33% | 16 | 30.33 | 1027.5 | ||||
| 20 | 05:55 | NW 8 | 10.00 | Fair | CLR | 22.1 | -3.3 | 32% | 14 | 30.31 | 1026.8 | ||||||
| 20 | 04:55 | NW 9 | 10.00 | Fair | CLR | 23.5 | -2.7 | 31% | 15 | 30.27 | 1025.4 | ||||||
| 20 | 03:55 | NW 10 G 18 | 10.00 | Fair | CLR | 24.3 | -1.5 | 32% | 15 | 30.26 | 1025.1 | ||||||
| 20 | 01:55 | NW 9 G 23 | 10.00 | Fair | CLR | 28.2 | 2.1 | 32% | 20 | 30.22 | 1023.7 | ||||||
| 20 | 00:55 | NW 15 G 22 | 10.00 | A Few Clouds | FEW210 | 30.7 | 4.3 | 35.2 | 30 | 32% | 21 | 30.19 | 1022.7 | ||||
| 19 | 23:55 | N 8 | 10.00 | A Few Clouds | FEW190 | 33.6 | 6.8 | 32% | 27 | 30.16 | 1021.7 | ||||||
| 19 | 22:55 | NW 9 | 10.00 | Partly Cloudy | SCT170 | 34.9 | 7.3 | 31% | 28 | 30.12 | 1020.3 | ||||||
| 19 | 21:55 | NW 6 | 10.00 | Fair | CLR | 32.9 | 10 | 38% | 28 | 30.1 | 1019.6 | ||||||
| 19 | 20:55 | Calm | 10.00 | Fair | CLR | 31.3 | 10.2 | 41% | 30.07 | 1018.6 | |||||||
| 19 | 19:55 | NW 5 | 10.00 | Fair | CLR | 33.6 | 11.3 | 39% | 30 | 30.06 | 1018.3 | ||||||
| 19 | 16:55 | S 3 | 10.00 | Fair | CLR | 43 | 12 | 28% | 29.97 | 1015.2 | |||||||
| 19 | 15:55 | S 5 | 10.00 | Fair | CLR | 41.4 | 13.6 | 32% | 39 | 29.96 | 1014.9 | ||||||
| 19 | 14:55 | SW 7 | 10.00 | Fair | CLR | 42.4 | 13.1 | 30% | 39 | 29.95 | 1014.6 | ||||||
| 19 | 11:55 | SW 9 | 10.00 | Fair | CLR | 39.9 | 13.1 | 33% | 34 | 29.97 | 1015.2 | ||||||
| 19 | 10:55 | SW 8 | 10.00 | Fair | CLR | 38.3 | 14.4 | 37% | 33 | 30 | 1016.3 | ||||||
| 19 | 09:55 | SW 5 | 10.00 | Fair | CLR | 32.5 | 16.3 | 51% | 29 | 30 | 1016.3 | ||||||
| 19 | 08:55 | SW 3 | 10.00 | Fair | CLR | 28.2 | 17.6 | 64% | 29.99 | 1015.9 | |||||||
| 19 | 07:55 | NW 3 | 10.00 | Fair | CLR | 18.1 | 14 | 84% | 29.98 | 1015.6 | |||||||
| 19 | 06:55 | Calm | 10.00 | Fair | CLR | 18.1 | 13.8 | 26.4 | 17.1 | 83% | 29.99 | 1015.9 | |||||
| 19 | 04:55 | Calm | 10.00 | NULL | NULL | 18.9 | 13.5 | 79% | 29.97 | 1015.3 | |||||||
| 19 | 03:55 | Calm | 10.00 | Mostly Cloudy | BKN110 | 20.7 | 12.7 | 71% | 29.99 | 1015.9 | |||||||
| 19 | 02:55 | Calm | 10.00 | Fair | CLR | 19.8 | 13.5 | 76% | 29.98 | 1015.6 | |||||||
| 19 | 01:55 | S 3 | 10.00 | Fair | CLR | 22.1 | 13.8 | 70% | 29.97 | 1015.2 | |||||||
| 19 | 00:55 | W 3 | 10.00 | Fair | CLR | 25.3 | 10.6 | 32.7 | 24.1 | 53% | 29.95 | 1014.6 | |||||
| 18 | 23:55 | NW 3 | 10.00 | Fair | CLR | 26.2 | 10 | 50% | 29.95 | 1014.6 | |||||||
| 18 | 22:55 | NW 7 | 10.00 | Fair | CLR | 28 | 12.2 | 51% | 22 | 29.95 | 1014.6 | ||||||
| 18 | 21:55 | NW 5 | 10.00 | Fair | CLR | 29.7 | 13.3 | 50% | 25 | 29.95 | 1014.6 | ||||||
| 18 | 20:55 | NW 6 | 10.00 | A Few Clouds | FEW065 | 30.9 | 13.1 | 48% | 26 | 29.95 | 1014.6 | ||||||
| 18 | 19:55 | NW 7 | 10.00 | Overcast | OVC065 | 32.7 | 14.7 | 47% | 27 | 29.92 | 1013.5 | ||||||
| 18 | 18:55 | NW 3 | 10.00 | Overcast | SCT050 OVC060 | 32 | 18.5 | 39.2 | 31.6 | 57% | 29.92 | 1013.5 | |||||
| 18 | 17:55 | NW 3 | 10.00 | Overcast | OVC060 | 31.8 | 21.4 | 65% | 29.95 | 1014.6 | |||||||
| 18 | 16:55 | NW 13 | 10.00 | Light Rain | FEW018 | 32.4 | 21.9 | 65% | 24 | 29.91 | 1013.2 | ||||||
| 18 | 15:55 | NW 10 | 10.00 | Light Rain | SCT022 BKN030 | 36 | 24.3 | 63% | 29 | 29.89 | 1012.5 | ||||||
| 18 | 14:55 | NW 10 | 10.00 | Overcast | OVC025 | 37.6 | 24.6 | 60% | 31 | 29.86 | 1011.5 | ||||||
| 18 | 13:55 | NW 7 | 10.00 | Overcast | OVC022 | 38.5 | 28.8 | 68% | 34 | 29.89 | 1012.5 | ||||||
| 18 | 12:55 | NW 9 | 10.00 | Overcast | OVC024 | 39.4 | 29.3 | 42.8 | 36.9 | 67% | 34 | 29.92 | 1013.5 | ||||
| 18 | 10:55 | N 7 | 10.00 | Overcast | OVC038 | 42.4 | 34 | 72% | 39 | 29.99 | 1015.9 | ||||||
| 18 | 09:55 | Calm | 10.00 | Overcast | OVC034 | 41.2 | 35.8 | 81% | 30.01 | 1016.6 | |||||||
| 18 | 08:55 | Calm | 10.00 | Overcast | OVC024 | 38.3 | 35.4 | 89% | 29.98 | 1015.6 | |||||||
| 18 | 07:55 | NW 6 | 10.00 | Light Rain | BKN020 | 38.7 | 36.3 | 91% | 35 | 30 | 1016.3 | ||||||
| 18 | 06:55 | Calm | 3.00 | Light Rain Fog/Mist | SCT065 | 37 | 35.8 | 39.7 | 32 | 95% | 30.01 | 1016.6 | 0.01 | 0.02 | |||
| 18 | 04:55 | Calm | 10.00 | A Few Clouds | FEW037 | 36.3 | 34.7 | 94% | 29.99 | 1015.9 | |||||||
| 18 | 03:55 | NW 3 | 10.00 | Fair | CLR | 36.3 | 33.1 | 88% | 30 | 1016.2 | |||||||
| 18 | 02:55 | Calm | 10.00 | Mostly Cloudy | SCT070 BKN120 | 36 | 33.1 | 89% | 29.99 | 1015.9 | |||||||
| 18 | 01:55 | Calm | 10.00 | Partly Cloudy | SCT070 | 36.7 | 33.3 | 87% | 30.02 | 1016.9 | |||||||
| 18 | 00:55 | Calm | 10.00 | Partly Cloudy | SCT110 | 32.9 | 29.7 | 35.1 | 30.6 | 88% | 30.03 | 1017.3 | |||||
| 17 | 23:55 | Calm | 10.00 | Overcast | OVC110 | 32.9 | 29.5 | 87% | 30.05 | 1017.9 | |||||||
| 17 | 22:55 | Calm | 10.00 | Overcast | OVC110 | 33.8 | 30 | 86% | 30.06 | 1018.3 | |||||||
| 17 | 21:55 | Calm | 10.00 | Overcast | OVC110 | 32.7 | 29.3 | 87% | 30.06 | 1018.3 | |||||||
| 17 | 20:55 | Calm | 10.00 | Mostly Cloudy | BKN130 | 32.2 | 29.7 | 90% | 30.06 | 1018.3 | |||||||
| 17 | 18:55 | Calm | 10.00 | Fair | CLR | 34.5 | 30.7 | 46.2 | 32.7 | 86% | 30.07 | 1018.6 | |||||
| 17 | 17:55 | Calm | 10.00 | Fair | CLR | 35.1 | 28.6 | 77% | 30.06 | 1018.3 | |||||||
| Date | Time (est) | 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) | |||||||||||||||