| Point Forecast: Martinsburg Arpt WV 39.41N 77.97W (Elev. 499 ft) |
Last Update: 10:30 am EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 84 | 86 | 86 | 85 | 85 | 83 | 83 | 81 | 79 | 77 | 76 | 75 | 74 | 73 | 73 | 73 | 72 | 72 | 71 | 72 | 74 | 77 | 80 | 82 |
| Dewpoint (°F) | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 73 | 73 |
| Heat Index (°F) | 90 | 93 | 93 | 92 | 92 | 89 | 89 | 86 | 79 | 77 | 76 | 75 | 77 | 84 | 87 | |||||||||
| Surface Wind (mph) | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Wind Dir | E | SE | SE | SE | SE | SW | SE | SE | S | S | SE | S | S | S | S | S | SW | W | W | SW | SW | W | W | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 48 | 59 | 65 | 69 | 79 | 66 | 65 | 70 | 67 | 71 | 75 | 73 | 55 | 58 | 44 | 47 | 60 | 55 | 49 | 48 | 48 | 48 | 48 |
| Precipitation Potential (%) | 13 | 24 | 39 | 47 | 54 | 68 | 49 | 42 | 50 | 50 | 57 | 51 | 48 | 32 | 19 | 17 | 15 | 12 | 9 | 5 | 24 | 24 | 24 | 24 |
| Relative Humidity (%) | 70 | 65 | 65 | 67 | 67 | 72 | 72 | 77 | 82 | 87 | 90 | 90 | 93 | 97 | 97 | 93 | 97 | 97 | 100 | 97 | 93 | 85 | 79 | 74 |
| Rain | -- | SChc | Chc | Chc | Chc | Lkly | Chc | Chc | Chc | Chc | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc |
| Thunder | -- | SChc | Chc | Chc | Chc | Lkly | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 84 | 85 | 86 | 86 | 84 | 83 | 82 | 80 | 79 | 78 | 76 | 75 | 74 | 73 | 72 | 71 | 71 | 71 | 71 | 72 | 73 | 75 | 78 | 81 |
| Dewpoint (°F) | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 73 |
| Heat Index (°F) | 90 | 91 | 92 | 92 | 90 | 88 | 87 | 84 | 79 | 78 | 76 | 75 | 75 | 78 | 86 | |||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Wind Dir | W | SW | S | S | W | W | SW | S | S | S | SE | SE | SE | S | S | S | W | W | W | NW | N | N | NE | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 68 | 78 | 78 | 78 | 78 | 78 | 78 | 61 | 63 | 66 | 68 | 70 | 72 | 74 | 75 | 77 | 78 | 77 | 77 | 76 | 73 | 71 | 68 |
| Precipitation Potential (%) | 24 | 24 | 66 | 66 | 66 | 66 | 66 | 66 | 28 | 28 | 28 | 28 | 28 | 28 | 13 | 13 | 13 | 13 | 13 | 13 | 26 | 26 | 26 | 26 |
| Relative Humidity (%) | 70 | 65 | 63 | 63 | 67 | 70 | 72 | 77 | 79 | 82 | 87 | 90 | 90 | 93 | 97 | 97 | 97 | 97 | 97 | 93 | 93 | 87 | 82 | 77 |
| Rain | SChc | SChc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Thunder | SChc | SChc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Fog | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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