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. | ||||||||||||||||
| 04 | 01:55 | Calm | 16.09 | Fair | CLR | 7.7 | 2.8 | 71% | 76.45 | 1019.6 | |||||||
| 04 | 00:55 | SW 6 | 16.09 | Fair | CLR | 8.9 | 3.1 | 16.1 | 7.1 | 67% | 76.4 | 1018.9 | |||||
| 03 | 23:55 | Calm | 16.09 | Fair | CLR | 7.8 | 3.6 | 75% | 76.38 | 1018.6 | |||||||
| 03 | 22:55 | W 13 | 16.09 | Fair | CLR | 12.2 | 2.1 | 50% | 76.35 | 1018.2 | |||||||
| 03 | 21:55 | NW 20 G 39 | 16.09 | Fair | CLR | 13.5 | 1.8 | 45% | 76.3 | 1017.5 | |||||||
| 03 | 20:55 | W 26 G 39 | 16.09 | Fair | CLR | 14.6 | 1.5 | 41% | 76.28 | 1017.2 | |||||||
| 03 | 19:55 | W 17 | 16.09 | Fair | CLR | 14.7 | 1.6 | 41% | 76.2 | 1016.2 | |||||||
| 03 | 18:55 | W 17 | 16.09 | Fair | CLR | 16.1 | 1.8 | 19.5 | 13.3 | 38% | 76.15 | 1015.5 | |||||
| 03 | 17:55 | NW 9 G 26 | 16.09 | Fair | CLR | 16.3 | 4.3 | 45% | 76.1 | 1014.8 | |||||||
| 03 | 16:55 | SW 9 | 16.09 | Fair | CLR | 17.1 | 7.4 | 53% | 76.05 | 1014.1 | |||||||
| 03 | 15:55 | S 9 | 16.09 | Fair | CLR | 18.6 | 7.1 | 47% | 76.05 | 1014.1 | |||||||
| 03 | 14:55 | SW 9 | 16.09 | Fair | CLR | 19.4 | 5.4 | 40% | 76.05 | 1014.1 | |||||||
| 03 | 13:55 | NW 7 | 16.09 | Mostly Cloudy | BKN047 BKN060 | 19.2 | 7.6 | 47% | 76.15 | 1015.5 | |||||||
| 03 | 12:55 | W 7 | 16.09 | Fair | CLR | 17.6 | 8.2 | 17.8 | 10.6 | 54% | 76.23 | 1016.5 | |||||
| 03 | 11:55 | Calm | 16.09 | Partly Cloudy | SCT023 | 16.8 | 10.2 | 65% | 76.28 | 1017.2 | |||||||
| 03 | 10:55 | Calm | 16.09 | Mostly Cloudy | BKN065 | 14.7 | 10.7 | 77% | 76.38 | 1018.6 | |||||||
| 03 | 09:55 | Calm | 16.09 | Overcast | SCT010 OVC055 | 13.5 | 11 | 85% | 76.5 | 1020.3 | |||||||
| 03 | 08:55 | Calm | 16.09 | Mostly Cloudy | FEW008 BKN055 | 13 | 11.1 | 88% | 76.56 | 1020.9 | |||||||
| 03 | 07:55 | Calm | 14.48 | Overcast | SCT010 BKN050 OVC060 | 11.5 | 10.7 | 95% | 76.58 | 1021.3 | |||||||
| 03 | 05:55 | Calm | 12.87 | Partly Cloudy | SCT050 | 10.4 | 9.8 | 96% | 76.61 | 1021.6 | |||||||
| 03 | 04:55 | Calm | 16.09 | Light Drizzle | BKN046 BKN060 | 10.8 | 10 | 95% | 76.61 | 1021.6 | 0.03 | ||||||
| 03 | 03:55 | Calm | 16.09 | Light Rain | BKN048 | 10.1 | 9.2 | 94% | 76.61 | 1021.6 | 0.03 | 0.03 | |||||
| 03 | 02:55 | Calm | 16.09 | Light Rain | OVC049 | 10.2 | 7.8 | 85% | 76.61 | 1021.6 | |||||||
| 03 | 01:55 | Calm | 16.09 | Partly Cloudy | SCT055 | 9.4 | 6.8 | 84% | 76.63 | 1021.9 | |||||||
| 03 | 00:55 | Calm | 16.09 | Fair | CLR | 9 | 6.8 | 10.7 | 7.4 | 86% | 76.66 | 1022.3 | |||||
| 02 | 23:55 | Calm | 16.09 | A Few Clouds | FEW140 | 8 | 5.5 | 84% | 76.73 | 1023.3 | |||||||
| 02 | 22:55 | Calm | 16.09 | Fair | CLR | 8.7 | 5.8 | 82% | 76.73 | 1023.3 | |||||||
| 02 | 21:55 | Calm | 16.09 | Fair | CLR | 7.7 | 5.5 | 86% | 76.78 | 1024.0 | |||||||
| 02 | 19:55 | Calm | 16.09 | A Few Clouds | FEW190 | 9.1 | 5.7 | 79% | 76.73 | 1023.3 | |||||||
| 02 | 18:55 | Calm | 16.09 | Fair | CLR | 9.6 | 5 | 19.9 | 9.6 | 73% | 76.73 | 1023.3 | |||||
| 02 | 17:55 | Calm | 16.09 | Fair | CLR | 12.4 | 6 | 65% | 76.73 | 1023.3 | |||||||
| 02 | 16:55 | Calm | 16.09 | Partly Cloudy | FEW160 SCT220 | 15.1 | 5.3 | 52% | 76.71 | 1023.0 | |||||||
| 02 | 15:55 | SE 7 | 16.09 | Partly Cloudy | SCT170 | 18.3 | 2.6 | 35% | 76.73 | 1023.3 | |||||||
| 02 | 14:55 | SE 7 | 16.09 | Partly Cloudy | SCT170 | 19.2 | 1.7 | 31% | 76.71 | 1023.0 | |||||||
| 02 | 13:55 | Calm | 16.09 | Mostly Cloudy | BKN170 | 19.6 | 1.5 | 30% | 76.71 | 1023.0 | |||||||
| 02 | 12:55 | Calm | 16.09 | Fair | CLR | 19 | 1.5 | 19.5 | 3.1 | 31% | 76.76 | 1023.6 | |||||
| 02 | 11:55 | SE 15 | 16.09 | Partly Cloudy | SCT170 | 19.2 | 3 | 34% | 76.84 | 1024.7 | |||||||
| 02 | 10:55 | NE 7 | 16.09 | Fair | CLR | 18 | 4.5 | 41% | 76.86 | 1025.0 | |||||||
| 02 | 09:55 | E 6 | 16.09 | Fair | CLR | 16.2 | 5.8 | 50% | 76.89 | 1025.3 | |||||||
| 02 | 08:55 | Calm | 16.09 | Fair | CLR | 11.6 | 5.2 | 65% | 76.89 | 1025.4 | |||||||
| 02 | 07:55 | Calm | 16.09 | Fair | CLR | 5.4 | 4.2 | 92% | 76.86 | 1025.0 | |||||||
| 02 | 06:55 | Calm | 16.09 | Fair | CLR | 3.2 | 2.5 | 5.9 | 3.1 | 95% | 76.84 | 1024.7 | |||||
| 02 | 05:55 | Calm | 16.09 | A Few Clouds | FEW140 | 3.6 | 2.9 | 95% | 76.76 | 1023.7 | |||||||
| 02 | 04:55 | Calm | 16.09 | Fair | CLR | 4.1 | 3.4 | 95% | 76.71 | 1023.0 | |||||||
| 02 | 03:55 | Calm | 16.09 | Mostly Cloudy | BKN140 | 4.9 | 4 | 94% | 76.68 | 1022.6 | |||||||
| 02 | 02:55 | Calm | 16.09 | A Few Clouds | FEW140 | 5.9 | 4.5 | 91% | 76.66 | 1022.3 | |||||||
| 02 | 01:55 | Calm | 16.09 | A Few Clouds | FEW150 | 4.9 | 3.9 | 93% | 76.63 | 1021.9 | |||||||
| 02 | 00:55 | Calm | 16.09 | Fair | CLR | 4.2 | 3.3 | 94% | 76.61 | 1021.6 | |||||||
| 01 | 23:55 | Calm | 16.09 | Fair | CLR | 4.3 | 3.1 | 92% | 76.56 | 1020.9 | |||||||
| 01 | 22:55 | Calm | 16.09 | Fair | CLR | 5.4 | 4 | 91% | 76.53 | 1020.6 | |||||||
| 01 | 21:55 | Calm | 16.09 | Fair | CLR | 6.5 | 4.5 | 87% | 76.48 | 1019.9 | |||||||
| 01 | 20:55 | Calm | 16.09 | Fair | CLR | 7.9 | 4.5 | 79% | 76.43 | 1019.3 | |||||||
| 01 | 19:55 | Calm | 16.09 | Fair | CLR | 8.6 | 4.6 | 18.9 | 8.6 | 76% | 76.38 | 1018.6 | |||||
| 01 | 18:55 | Calm | 16.09 | Fair | CLR | 10.9 | 4.1 | 63% | 76.33 | 1017.9 | |||||||
| 01 | 17:55 | Calm | 16.09 | Fair | CLR | 14.7 | 3.2 | 46% | 76.28 | 1017.2 | |||||||
| 01 | 16:55 | W 15 | 16.09 | Fair | CLR | 18.4 | 1 | 31% | 76.23 | 1016.5 | |||||||
| 01 | 15:55 | NW 11 | 16.09 | Mostly Cloudy | BKN070 | 18.5 | 1.5 | 32% | 76.23 | 1016.5 | |||||||
| 01 | 14:55 | NW 20 G 31 | 16.09 | Partly Cloudy | SCT070 | 18.5 | 0.6 | 30% | 76.2 | 1016.2 | |||||||
| 01 | 13:55 | NW 19 G 30 | 16.09 | Fair | CLR | 17.9 | 1 | 18 | 1.9 | 32% | 76.23 | 1016.5 | |||||
| 01 | 12:55 | W 7 G 26 | 16.09 | Fair | CLR | 16.8 | 1.2 | 35% | 76.28 | 1017.2 | |||||||
| 01 | 11:55 | W 15 G 30 | 16.09 | Fair | CLR | 15.6 | 0.6 | 36% | 76.3 | 1017.5 | |||||||
| 01 | 10:55 | W 11 | 16.09 | Fair | CLR | 13.4 | 1.7 | 45% | 76.3 | 1017.6 | |||||||
| 01 | 07:55 | Calm | 16.09 | Fair | CLR | 1.9 | 1 | 5.2 | 1.9 | 94% | 76.17 | 1015.9 | |||||
| 01 | 06:55 | Calm | 16.09 | Fair | CLR | 2.2 | 1.3 | 94% | 76.1 | 1014.9 | |||||||
| 01 | 05:55 | Calm | 16.09 | Fair | CLR | 3.1 | 2.1 | 93% | 76.05 | 1014.2 | |||||||
| 01 | 04:55 | Calm | 16.09 | Fair | CLR | 3 | 1.7 | 91% | 76.02 | 1013.8 | |||||||
| 01 | 03:55 | Calm | 16.09 | Fair | CLR | 3.5 | 1.9 | 89% | 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) | |||||||||||||||