| Point Forecast: Martinsburg Arpt WV 39.41N 77.97W (Elev. 499 ft) |
Last Update: 10:30 am EDT Jul 12, 2025 |
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| Date | 07/12 | 07/13 | ||||||||||||||||||||||
| 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) | 80 | 78 | 76 | 75 | 75 | 74 | 73 | 73 | 73 | 71 | 73 | 75 | 78 | 80 | 81 | 83 | 84 | 85 | 85 | 84 | 83 | 82 | 81 | 79 |
| Dewpoint (°F) | 73 | 72 | 71 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 84 | 78 | 76 | 75 | 75 | 75 | 78 | 84 | 86 | 89 | 90 | 92 | 92 | 90 | 89 | 87 | 86 | 79 | ||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 3 | 2 |
| Wind Dir | SE | SE | S | SE | S | SE | SE | SE | SE | SE | SE | SE | S | S | SE | SE | SE | SE | SE | SE | SE | SE | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 58 | 63 | 58 | 53 | 61 | 47 | 52 | 64 | 52 | 48 | 59 | 67 | 61 | 55 | 67 | 78 | 90 | 90 | 90 | 90 | 90 | 90 | 70 |
| Precipitation Potential (%) | 23 | 22 | 13 | 9 | 7 | 14 | 9 | 12 | 7 | 5 | 4 | 33 | 33 | 33 | 33 | 33 | 33 | 84 | 84 | 84 | 84 | 84 | 84 | 55 |
| Relative Humidity (%) | 79 | 82 | 85 | 90 | 87 | 90 | 93 | 93 | 93 | 100 | 97 | 90 | 82 | 77 | 77 | 72 | 70 | 67 | 67 | 70 | 72 | 74 | 77 | 82 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/14 | |||||||||||||||||||||||
| 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) | 77 | 75 | 74 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 74 | 76 | 79 | 81 | 83 | 85 | 86 | 86 | 86 | 85 | 84 | 82 | 80 |
| Dewpoint (°F) | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 71 | 71 |
| Heat Index (°F) | 77 | 75 | 76 | 79 | 85 | 88 | 90 | 91 | 91 | 91 | 90 | 88 | 86 | 83 | ||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | S | S | S | S | S | S | SW | W | W | W | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 73 | 75 | 78 | 71 | 70 | 57 | 66 | 74 | 83 | 76 | 68 | 61 | 58 | 55 | 52 | 57 | 62 | 67 | 67 | 67 | 67 | 67 | 67 | 26 |
| Precipitation Potential (%) | 55 | 55 | 55 | 55 | 55 | 17 | 17 | 17 | 17 | 17 | 17 | 28 | 28 | 28 | 28 | 28 | 28 | 50 | 50 | 50 | 50 | 50 | 50 | 12 |
| Relative Humidity (%) | 87 | 90 | 93 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 93 | 90 | 85 | 77 | 72 | 67 | 63 | 61 | 61 | 59 | 61 | 63 | 69 | 74 |
| Rain | Lkly | Lkly | Lkly | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
| Thunder | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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