| Point Forecast: Harpers Ferry WV 39.32N 77.73W (Elev. 299 ft) |
Last Update: 4:30 pm EDT Jun 26, 2024 |
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| Date | 06/26 | 06/27 | ||||||||||||||||||||||
| 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) | 88 | 86 | 83 | 79 | 75 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 68 | 69 | 71 | 73 | 75 | 77 | 80 | 82 | 83 | 84 | 85 | 86 |
| Dewpoint (°F) | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 67 | 68 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 65 | 64 | 63 | 62 | 62 | 60 | 60 |
| Heat Index (°F) | 91 | 89 | 86 | 79 | 75 | 75 | 77 | 82 | 83 | 84 | 85 | 85 | 86 | |||||||||||
| Surface Wind (mph) | 8 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Wind Dir | W | W | W | W | W | W | NW | NW | W | NW | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 67 | 70 | 82 | 87 | 91 | 95 | 95 | 95 | 95 | 95 | 94 | 95 | 90 | 79 | 61 | 45 | 32 | 29 | 22 | 20 | 21 | 21 | 19 | 15 |
| Precipitation Potential (%) | 46 | 46 | 66 | 66 | 66 | 70 | 70 | 70 | 30 | 30 | 30 | 14 | 14 | 14 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 50 | 53 | 59 | 67 | 79 | 87 | 90 | 90 | 90 | 93 | 93 | 93 | 97 | 93 | 87 | 79 | 74 | 67 | 58 | 53 | 49 | 48 | 43 | 42 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/28 | |||||||||||||||||||||||
| 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) | 85 | 84 | 82 | 77 | 75 | 73 | 70 | 69 | 68 | 66 | 65 | 64 | 64 | 64 | 66 | 68 | 71 | 75 | 77 | 79 | 81 | 83 | 84 | 84 |
| Dewpoint (°F) | 59 | 59 | 60 | 61 | 61 | 60 | 60 | 59 | 59 | 58 | 57 | 56 | 55 | 55 | 55 | 55 | 56 | 58 | 58 | 59 | 59 | 60 | 60 | 61 |
| Heat Index (°F) | 85 | 84 | 82 | 77 | 75 | 75 | 77 | 79 | 81 | 83 | 84 | 84 | ||||||||||||
| Surface Wind (mph) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 8 | 8 |
| Wind Dir | NW | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | E | E | E | E | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 11 | 8 | 6 | 5 | 7 | 8 | 10 | 11 | 12 | 14 | 16 | 18 | 20 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 33 |
| Precipitation Potential (%) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 41 | 43 | 47 | 58 | 62 | 64 | 71 | 70 | 73 | 75 | 75 | 75 | 73 | 73 | 68 | 63 | 59 | 55 | 52 | 50 | 47 | 46 | 44 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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