| Point Forecast: Martinsburg Arpt WV 39.41N 77.97W (Elev. 499 ft) |
Last Update: 4:31 am EDT May 11, 2024 |
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| Date | 05/11 | 05/12 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 46 | 45 | 46 | 49 | 50 | 55 | 57 | 59 | 61 | 62 | 63 | 62 | 60 | 60 | 57 | 56 | 54 | 52 | 52 | 51 | 50 | 48 | 48 | 47 |
| Dewpoint (°F) | 46 | 45 | 45 | 46 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 45 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 45 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 7 | 6 | 5 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | SW | SW | S | S | S | S | S | S | S | S | S | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 67 | 77 | 67 | 63 | 46 | 56 | 40 | 44 | 41 | 55 | 61 | 82 | 77 | 58 | 63 | 65 | 68 | 86 | 71 | 70 | 67 | 65 | 63 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 68 | 68 | 68 | 94 | 94 | 94 | 74 | 74 | 74 | 56 | 56 | 56 | 23 | 23 | 23 |
| Relative Humidity (%) | 100 | 100 | 96 | 89 | 83 | 69 | 62 | 57 | 53 | 52 | 50 | 54 | 60 | 62 | 69 | 72 | 77 | 83 | 83 | 86 | 89 | 96 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- |
| Date | 05/13 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 46 | 47 | 48 | 51 | 53 | 55 | 57 | 60 | 62 | 63 | 64 | 65 | 65 | 64 | 63 | 61 | 57 | 54 | 52 | 50 | 49 | 48 | 47 | 47 |
| Dewpoint (°F) | 44 | 45 | 45 | 46 | 46 | 45 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 8 | 9 | 10 | 11 | 13 | 13 | 14 | 13 | 13 | 11 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | SW | SW | SW | SW |
| Gust | 18 | 18 | 18 | 18 | 18 | |||||||||||||||||||
| Sky Cover (%) | 56 | 48 | 47 | 44 | 60 | 66 | 71 | 69 | 67 | 65 | 57 | 50 | 42 | 37 | 31 | 26 | 26 | 26 | 25 | 27 | 28 | 29 | 28 | 26 |
| Precipitation Potential (%) | 6 | 6 | 6 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Relative Humidity (%) | 93 | 93 | 89 | 83 | 77 | 69 | 62 | 55 | 52 | 50 | 48 | 45 | 45 | 46 | 50 | 53 | 62 | 69 | 74 | 80 | 83 | 86 | 89 | 89 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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