| Point Forecast: Lorton VA 38.71N 77.26W (Elev. 249 ft) |
Last Update: 4:30 pm EDT May 12, 2024 |
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| Date | 05/12 | 05/13 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 67 | 66 | 63 | 59 | 57 | 57 | 55 | 54 | 52 | 51 | 50 | 50 | 50 | 51 | 54 | 58 | 62 | 66 | 69 | 71 | 74 | 75 | 76 | 76 |
| Dewpoint (°F) | 45 | 46 | 46 | 46 | 47 | 48 | 47 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 49 | 50 | 51 | 51 | 51 | 50 | 49 | 50 | 50 | 50 |
| Heat Index (°F) | 75 | 76 | 76 | |||||||||||||||||||||
| Surface Wind (mph) | 13 | 8 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 10 |
| Wind Dir | NW | N | N | N | N | NE | E | SE | S | S | SW | W | SW | SW | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 40 | 33 | 28 | 24 | 19 | 20 | 20 | 21 | 26 | 31 | 36 | 36 | 36 | 37 | 30 | 24 | 17 | 16 | 15 | 15 | 19 | 23 | 27 |
| Precipitation Potential (%) | 8 | 6 | 4 | 4 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 45 | 48 | 54 | 62 | 69 | 72 | 74 | 80 | 86 | 86 | 89 | 89 | 89 | 86 | 83 | 75 | 67 | 58 | 53 | 47 | 41 | 41 | 40 | 40 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/14 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°F) | 75 | 73 | 69 | 66 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 59 | 60 | 61 | 63 | 65 | 67 | 68 | 69 | 69 | 69 | 69 | 68 | 68 |
| Dewpoint (°F) | 50 | 51 | 52 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 60 |
| Heat Index (°F) | 75 | |||||||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 13 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 18 | 20 | 20 | 20 | 18 | |||||||||||||||||||
| Sky Cover (%) | 30 | 32 | 35 | 36 | 38 | 40 | 41 | 43 | 44 | 50 | 56 | 62 | 69 | 76 | 83 | 86 | 90 | 93 | 93 | 92 | 92 | 93 | 94 | 95 |
| Precipitation Potential (%) | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 22 | 22 | 22 | 22 | 22 | 22 | 40 | 40 | 40 | 40 | 40 | 40 | 76 | 76 | 76 | 76 |
| Relative Humidity (%) | 41 | 46 | 55 | 58 | 63 | 67 | 70 | 70 | 72 | 75 | 78 | 80 | 81 | 81 | 78 | 75 | 73 | 70 | 68 | 68 | 68 | 70 | 73 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |
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