| Point Forecast: 3 Miles W Fairfax VA 38.85N 77.35W (Elev. 400 ft) |
Last Update: 7:53 am EDT May 14, 2026 |
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| Date | 05/14 | 05/15 | ||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 57 | 59 | 59 | 60 | 61 | 61 | 63 | 61 | 61 | 61 | 58 | 56 | 55 | 54 | 53 | 52 | 52 | 51 | 51 | 51 | 50 | 51 | 53 | 56 |
| Dewpoint (°F) | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 41 | 41 | 41 | 42 | 43 | 43 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 13 | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 14 | 13 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 21 | 21 | 21 | 22 | 22 |
| Sky Cover (%) | 59 | 59 | 66 | 74 | 82 | 75 | 77 | 71 | 73 | 77 | 63 | 46 | 42 | 45 | 39 | 41 | 38 | 39 | 44 | 52 | 46 | 36 | 31 | 16 |
| Precipitation Potential (%) | 13 | 7 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 10 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Relative Humidity (%) | 59 | 53 | 53 | 49 | 48 | 48 | 44 | 48 | 48 | 48 | 53 | 57 | 59 | 61 | 64 | 69 | 69 | 71 | 68 | 68 | 71 | 71 | 69 | 62 |
| Rain | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/16 | |||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 59 | 62 | 64 | 66 | 69 | 71 | 71 | 73 | 71 | 70 | 68 | 64 | 61 | 59 | 57 | 56 | 54 | 53 | 52 | 52 | 53 | 54 | 57 | 61 |
| Dewpoint (°F) | 43 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 45 | 46 | 47 | 48 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | SW | SW | SW | SW | S | S | S |
| Gust | 21 | 21 | 21 | 20 | 18 | 18 | 18 | |||||||||||||||||
| Sky Cover (%) | 20 | 21 | 14 | 27 | 25 | 27 | 24 | 46 | 52 | 57 | 67 | 42 | 37 | 32 | 29 | 27 | 24 | 27 | 29 | 32 | 35 | 37 | 40 | 37 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 55 | 52 | 48 | 45 | 40 | 38 | 39 | 37 | 39 | 42 | 45 | 52 | 60 | 64 | 69 | 69 | 74 | 77 | 77 | 77 | 74 | 74 | 69 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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