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| Point Forecast: Harpers Ferry WV 39.32N 77.73W (Elev. 299 ft) |
Last Update: 7:31 pm EDT May 31, 2020 |
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| Date | 05/31 | 06/01 | ||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 61 | 59 | 56 | 54 | 53 | 51 | 50 | 49 | 48 | 48 | 49 | 53 | 57 | 60 | 63 | 65 | 67 | 68 | 70 | 70 | 71 | 71 | 69 | 67 |
| Dewpoint (°F) | 39 | 40 | 39 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 40 | 43 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 5 |
| Wind Dir | N | N | N | N | NW | NW | NW | NW | NW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 2 | 2 | 2 | 1 | 1 | 1 | 5 | 9 | 15 | 17 | 12 | 11 | 8 | 6 | 10 | 17 | 21 | 17 | 9 | 5 | 5 | 6 | 6 |
| 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 | 3 |
| Relative Humidity (%) | 44 | 49 | 53 | 52 | 54 | 59 | 61 | 63 | 65 | 65 | 66 | 59 | 51 | 46 | 39 | 37 | 34 | 33 | 31 | 31 | 30 | 31 | 35 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/02 | |||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°F) | 64 | 61 | 59 | 57 | 56 | 55 | 54 | 53 | 53 | 54 | 55 | 57 | 59 | 62 | 64 | 66 | 68 | 70 | 72 | 73 | 74 | 74 | 73 | 72 |
| Dewpoint (°F) | 43 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 49 | 50 | 52 | 53 | 55 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 6 |
| Wind Dir | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 7 | 7 | 11 | 20 | 24 | 34 | 54 | 64 | 69 | 78 | 83 | 82 | 80 | 79 | 77 | 72 | 69 | 68 | 66 | 65 | 63 | 60 | 58 |
| Precipitation Potential (%) | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 19 | 19 | 19 | 19 | 19 | 19 | 25 | 25 | 25 | 25 | 25 | 25 | 27 |
| Relative Humidity (%) | 46 | 49 | 53 | 57 | 59 | 61 | 66 | 69 | 69 | 66 | 66 | 64 | 62 | 56 | 54 | 50 | 49 | 45 | 42 | 43 | 43 | 46 | 49 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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