| Point Forecast: 2 Miles S Washington-Dulles International Airport VA 38.93N 77.45W (Elev. 299 ft) |
Last Update: 10:29 pm EDT Jun 24, 2024 |
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| Date | 06/25 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 72 | 69 | 67 | 65 | 64 | 63 | 63 | 66 | 71 | 75 | 79 | 83 | 85 | 87 | 88 | 89 | 90 | 90 | 89 | 88 | 85 | 83 | 81 | 79 |
| Dewpoint (°F) | 52 | 53 | 53 | 53 | 53 | 52 | 53 | 55 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 57 | 57 | 58 | 59 | 60 | 61 | 61 | 61 | 61 |
| Heat Index (°F) | 75 | 79 | 82 | 84 | 86 | 86 | 88 | 89 | 89 | 88 | 88 | 85 | 83 | 82 | 79 | |||||||||
| Surface Wind (mph) | 5 | 3 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | N | NW | NW | NW | NW | W | W | NW | NW | NW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 1 | 2 | 1 | 0 | 0 | 2 | 2 | 2 | 12 | 5 | 16 | 10 | 14 | 16 | 18 | 16 | 21 | 27 | 37 | 46 | 38 | 34 | 34 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 7 |
| Relative Humidity (%) | 49 | 57 | 61 | 65 | 67 | 67 | 70 | 68 | 61 | 54 | 47 | 40 | 37 | 35 | 34 | 34 | 33 | 34 | 37 | 39 | 45 | 47 | 51 | 54 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/26 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 78 | 76 | 75 | 74 | 73 | 73 | 74 | 75 | 78 | 81 | 85 | 88 | 90 | 92 | 93 | 93 | 92 | 90 | 88 | 85 | 81 | 79 | 77 | 75 |
| Dewpoint (°F) | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 67 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 70 |
| Heat Index (°F) | 78 | 76 | 75 | 75 | 78 | 83 | 88 | 91 | 94 | 96 | 98 | 98 | 98 | 96 | 94 | 90 | 85 | 79 | 77 | 75 | ||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 7 |
| Wind Dir | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 38 | 37 | 45 | 49 | 38 | 41 | 40 | 42 | 43 | 45 | 47 | 44 | 41 | 46 | 55 | 58 | 78 | 84 | 88 | 90 | 93 | 94 | 97 | 98 |
| Precipitation Potential (%) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 32 | 32 | 32 | 53 | 53 | 53 | 74 | 74 | 74 | 74 |
| Relative Humidity (%) | 56 | 60 | 62 | 64 | 68 | 68 | 69 | 69 | 62 | 58 | 55 | 50 | 49 | 46 | 46 | 46 | 49 | 52 | 57 | 63 | 72 | 77 | 82 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc |
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