| Point Forecast: Martinsburg Arpt WV 39.41N 77.97W (Elev. 499 ft) |
Last Update: 4:30 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 70 | 71 | 73 | 76 | 78 | 80 | 82 | 84 | 86 | 85 | 85 | 85 | 85 | 83 | 81 | 78 | 77 | 76 | 75 | 74 | 73 | 72 | 72 | 72 |
| Dewpoint (°F) | 70 | 71 | 71 | 71 | 72 | 72 | 71 | 72 | 72 | 71 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 71 | 71 |
| Heat Index (°F) | 76 | 78 | 84 | 86 | 90 | 92 | 90 | 91 | 91 | 91 | 88 | 86 | 78 | 77 | 76 | 75 | ||||||||
| Surface Wind (mph) | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | N | N | N | N | N | NE | NE | E | SE | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 60 | 58 | 48 | 44 | 39 | 42 | 37 | 40 | 53 | 58 | 52 | 55 | 62 | 44 | 49 | 33 | 63 | 40 | 43 | 43 | 33 | 49 | 55 |
| Precipitation Potential (%) | 3 | 2 | 2 | 0 | 2 | 2 | 2 | 6 | 21 | 29 | 37 | 28 | 32 | 43 | 16 | 8 | 5 | 9 | 3 | 2 | 3 | 4 | 4 | 6 |
| Relative Humidity (%) | 100 | 100 | 93 | 85 | 82 | 77 | 69 | 67 | 63 | 63 | 65 | 65 | 65 | 70 | 77 | 85 | 87 | 87 | 90 | 93 | 97 | 100 | 97 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 71 | 72 | 75 | 78 | 81 | 83 | 85 | 86 | 87 | 87 | 86 | 84 | 82 | 81 | 79 | 77 | 76 | 75 | 74 | 74 | 74 | 73 | 73 | 73 |
| Dewpoint (°F) | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 75 | 78 | 85 | 89 | 92 | 93 | 94 | 94 | 93 | 90 | 87 | 85 | 79 | 77 | 76 | 75 | ||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 70 | 60 | 45 | 45 | 51 | 56 | 65 | 75 | 84 | 84 | 84 | 84 | 84 | 84 | 62 | 66 | 71 | 75 | 68 | 61 | 54 | 53 | 52 | 51 |
| Precipitation Potential (%) | 6 | 5 | 23 | 23 | 23 | 23 | 23 | 23 | 75 | 75 | 75 | 75 | 75 | 75 | 32 | 32 | 32 | 32 | 32 | 32 | 10 | 10 | 10 | 10 |
| Relative Humidity (%) | 100 | 97 | 90 | 82 | 74 | 72 | 67 | 65 | 63 | 63 | 65 | 70 | 74 | 74 | 79 | 85 | 87 | 90 | 93 | 90 | 90 | 93 | 93 | 93 |
| Rain | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- |
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