| Point Forecast: Charleston SC 32.79N 80.01W (Elev. 10 ft) |
Last Update: 2:30 am EDT Jul 11, 2026 |
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| Date | 07/11 | 07/12 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 80 | 82 | 86 | 89 | 91 | 94 | 96 | 96 | 96 | 95 | 94 | 91 | 90 | 87 | 86 | 85 | 84 | 83 | 82 | 81 | 81 | 80 | 80 | 80 |
| Dewpoint (°F) | 74 | 75 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 75 | 75 | 74 | 74 | 74 |
| Heat Index (°F) | 84 | 89 | 96 | 100 | 103 | 107 | 110 | 108 | 108 | 107 | 106 | 103 | 103 | 99 | 97 | 96 | 94 | 92 | 89 | 87 | 87 | 84 | 84 | 84 |
| Surface Wind (mph) | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 11 | 11 | 9 | 9 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W |
| Gust | 20 | 20 | 21 | 21 | 20 | 20 | ||||||||||||||||||
| Sky Cover (%) | 10 | 6 | 14 | 12 | 21 | 32 | 42 | 56 | 56 | 44 | 32 | 42 | 35 | 38 | 39 | 46 | 51 | 47 | 28 | 23 | 24 | 25 | 24 | 32 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 7 | 10 | 16 | 14 | 12 | 19 | 31 | 27 | 19 | 21 | 20 | 9 | 8 | 9 | 9 | 8 | 8 | 3 | 5 |
| Relative Humidity (%) | 82 | 79 | 72 | 66 | 62 | 56 | 53 | 51 | 51 | 53 | 54 | 62 | 66 | 72 | 75 | 77 | 80 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | SChc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | -- | -- | SChc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/13 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 80 | 81 | 84 | 88 | 90 | 93 | 94 | 94 | 95 | 93 | 91 | 90 | 87 | 85 | 83 | 82 | 81 | 80 | 80 | 79 | 78 | 78 | 78 | 77 |
| Dewpoint (°F) | 74 | 75 | 75 | 75 | 76 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 75 |
| Heat Index (°F) | 84 | 87 | 92 | 98 | 102 | 105 | 106 | 106 | 107 | 106 | 103 | 102 | 99 | 96 | 92 | 90 | 88 | 87 | 86 | 79 | 78 | 78 | 78 | 77 |
| Surface Wind (mph) | 6 | 6 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 8 | 9 | 8 | 8 | 7 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | W | W | W | W | W | W | W | W | SW | SW | S | SW | SW | W | SW | SW | SW | SW | SW | SW | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 43 | 35 | 29 | 29 | 36 | 42 | 55 | 56 | 67 | 48 | 53 | 49 | 62 | 65 | 66 | 67 | 68 | 70 | 71 | 68 | 64 | 61 | 61 |
| Precipitation Potential (%) | 6 | 3 | 2 | 0 | 3 | 3 | 1 | 10 | 45 | 36 | 62 | 38 | 48 | 81 | 81 | 81 | 81 | 81 | 81 | 47 | 47 | 47 | 47 | 47 |
| Relative Humidity (%) | 82 | 82 | 74 | 66 | 64 | 56 | 54 | 54 | 53 | 58 | 62 | 64 | 72 | 77 | 82 | 85 | 88 | 91 | 88 | 91 | 94 | 91 | 91 | 94 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Lkly | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Lkly | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
