| Point Forecast: Fairfax VA 38.85N 77.29W (Elev. 400 ft) |
Last Update: 10:30 am EDT Jun 22, 2024 |
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| Date | 06/22 | 06/23 | ||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 93 | 97 | 98 | 99 | 99 | 99 | 98 | 97 | 95 | 93 | 90 | 87 | 85 | 84 | 83 | 82 | 82 | 80 | 78 | 78 | 79 | 82 | 86 | 90 |
| Dewpoint (°F) | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 68 | 70 | 69 | 68 | 69 | 68 | 67 | 68 | 68 | 68 | 70 | 70 | 70 |
| Heat Index (°F) | 98 | 103 | 104 | 105 | 105 | 105 | 104 | 101 | 99 | 97 | 93 | 91 | 90 | 88 | 86 | 85 | 85 | 82 | 78 | 78 | 79 | 86 | 91 | 96 |
| Surface Wind (mph) | 5 | 5 | 5 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 22 | 26 | 31 | 35 | 32 | 44 | 32 | 35 | 40 | 35 | 35 | 42 | 35 | 32 | 30 | 24 | 19 | 23 | 22 | 24 | 23 | 27 | 31 |
| Precipitation Potential (%) | 1 | 1 | 1 | 12 | 12 | 12 | 17 | 17 | 17 | 10 | 10 | 10 | 6 | 6 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Relative Humidity (%) | 46 | 40 | 38 | 37 | 37 | 37 | 38 | 38 | 40 | 43 | 47 | 53 | 61 | 61 | 61 | 65 | 63 | 65 | 71 | 71 | 69 | 67 | 59 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/24 | |||||||||||||||||||||||
| Hour (EDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 93 | 95 | 96 | 97 | 96 | 95 | 94 | 92 | 90 | 88 | 85 | 82 | 80 | 78 | 77 | 77 | 75 | 74 | 73 | 73 | 74 | 76 | 79 | 83 |
| Dewpoint (°F) | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 68 | 66 | 65 |
| Heat Index (°F) | 98 | 101 | 102 | 103 | 102 | 101 | 99 | 97 | 96 | 93 | 90 | 86 | 83 | 78 | 77 | 77 | 75 | 76 | 79 | 85 | ||||
| Surface Wind (mph) | 10 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 10 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | NW | NW |
| Gust | 18 | 21 | 20 | 18 | 20 | |||||||||||||||||||
| Sky Cover (%) | 36 | 42 | 55 | 61 | 65 | 74 | 78 | 79 | 80 | 81 | 80 | 79 | 78 | 76 | 74 | 72 | 63 | 54 | 45 | 42 | 40 | 37 | 36 | 35 |
| Precipitation Potential (%) | 10 | 10 | 10 | 43 | 43 | 43 | 45 | 45 | 45 | 57 | 57 | 57 | 57 | 57 | 57 | 29 | 29 | 29 | 29 | 29 | 29 | 26 | 26 | 26 |
| Relative Humidity (%) | 46 | 43 | 42 | 40 | 42 | 43 | 44 | 47 | 52 | 55 | 61 | 69 | 74 | 79 | 79 | 79 | 84 | 84 | 87 | 87 | 84 | 76 | 64 | 55 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
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