| Point Forecast: Martinsburg Arpt WV 39.41N 77.97W (Elev. 499 ft) |
Last Update: 8:13 am EDT May 10, 2024 |
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| Date | 05/10 | 05/11 | ||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 55 | 55 | 56 | 56 | 55 | 56 | 56 | 55 | 55 | 55 | 54 | 53 | 52 | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 48 |
| Dewpoint (°F) | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 49 | 48 | 47 | 46 | 46 | 45 | 46 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 43 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 |
| Wind Dir | E | E | NE | NE | NE | NE | NE | N | N | N | N | N | N | N | N | N | N | N | N | N | NW | NW | W | SW |
| Gust | 18 | 18 | ||||||||||||||||||||||
| Sky Cover (%) | 95 | 96 | 96 | 94 | 93 | 93 | 92 | 95 | 95 | 94 | 95 | 94 | 91 | 89 | 90 | 87 | 84 | 83 | 76 | 74 | 76 | 81 | 84 | 76 |
| Precipitation Potential (%) | 38 | 45 | 55 | 72 | 71 | 86 | 86 | 86 | 83 | 83 | 83 | 41 | 41 | 41 | 13 | 13 | 13 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Relative Humidity (%) | 93 | 93 | 86 | 86 | 86 | 83 | 80 | 80 | 77 | 74 | 74 | 77 | 77 | 83 | 83 | 86 | 89 | 86 | 89 | 86 | 89 | 89 | 89 | 86 |
| Rain | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/12 | |||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 50 | 52 | 55 | 57 | 59 | 60 | 60 | 60 | 59 | 58 | 57 | 56 | 54 | 53 | 51 | 50 | 49 | 49 | 48 | 48 | 48 | 49 | 50 | 52 |
| Dewpoint (°F) | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 46 | 46 | 47 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 7 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 74 | 74 | 73 | 69 | 61 | 57 | 61 | 70 | 74 | 73 | 71 | 70 | 70 | 70 | 70 | 67 | 62 | 59 | 58 | 55 | 54 | 49 | 39 | 34 |
| Precipitation Potential (%) | 9 | 9 | 9 | 9 | 9 | 68 | 68 | 68 | 68 | 68 | 68 | 60 | 60 | 60 | 60 | 60 | 60 | 31 | 31 | 31 | 31 | 31 | 31 | 20 |
| Relative Humidity (%) | 80 | 74 | 66 | 62 | 57 | 55 | 58 | 58 | 62 | 64 | 69 | 72 | 77 | 80 | 86 | 89 | 89 | 89 | 93 | 89 | 89 | 89 | 86 | 83 |
| Rain | -- | -- | -- | -- | -- | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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