| Point Forecast: Irmo SC 34.08N 81.18W (Elev. 299 ft) |
Last Update: 2:21 am EDT Sep 6, 2026 |
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| Date | 09/06 | 09/07 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 75 | 75 | 75 | 75 | 77 | 82 | 86 | 89 | 92 | 94 | 94 | 93 | 89 | 85 | 81 | 82 | 80 | 77 | 76 | 75 | 75 | 74 | 74 | 73 |
| Dewpoint (°F) | 70 | 71 | 70 | 71 | 71 | 71 | 72 | 71 | 71 | 71 | 70 | 70 | 71 | 71 | 72 | 73 | 74 | 73 | 73 | 73 | 72 | 72 | 71 | 71 |
| Heat Index (°F) | 75 | 75 | 75 | 75 | 77 | 86 | 92 | 95 | 99 | 101 | 100 | 99 | 95 | 90 | 85 | 87 | 85 | 77 | 76 | 75 | 75 | |||
| Surface Wind (mph) | 2 | 1 | 2 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 6 |
| Wind Dir | N | NW | N | N | N | NE | NE | E | E | E | E | E | E | NE | NE | NE | E | E | E | E | E | E | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 15 | 22 | 11 | 16 | 16 | 14 | 20 | 30 | 35 | 51 | 57 | 65 | 69 | 72 | 76 | 74 | 86 | 77 | 70 | 66 | 61 | 62 | 67 |
| Precipitation Potential (%) | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 7 | 11 | 18 | 22 | 36 | 47 | 54 | 58 | 63 | 61 | 78 | 65 | 51 | 39 | 34 | 29 | 30 |
| Relative Humidity (%) | 84 | 87 | 84 | 87 | 82 | 69 | 63 | 56 | 51 | 48 | 46 | 47 | 56 | 63 | 74 | 74 | 82 | 88 | 90 | 94 | 90 | 93 | 90 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Lkly | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- |
| Date | 09/08 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 73 | 72 | 72 | 71 | 73 | 75 | 77 | 80 | 83 | 83 | 83 | 84 | 82 | 82 | 81 | 78 | 77 | 76 | 75 | 74 | 74 | 73 | 72 | 71 |
| Dewpoint (°F) | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 67 |
| Heat Index (°F) | 75 | 77 | 83 | 88 | 88 | 88 | 89 | 86 | 86 | 85 | 78 | 77 | 76 | 75 | ||||||||||
| Surface Wind (mph) | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
| Wind Dir | NE | NE | NE | NE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 54 | 61 | 64 | 62 | 63 | 70 | 64 | 67 | 76 | 76 | 71 | 69 | 69 | 69 | 53 | 46 | 34 | 21 | 19 | 18 | 16 | 15 | 14 |
| Precipitation Potential (%) | 30 | 31 | 27 | 12 | 13 | 34 | 42 | 46 | 50 | 54 | 54 | 54 | 54 | 54 | 54 | 11 | 11 | 11 | 11 | 11 | 11 | 1 | 1 | 1 |
| Relative Humidity (%) | 93 | 93 | 93 | 97 | 90 | 84 | 79 | 74 | 67 | 67 | 67 | 65 | 67 | 67 | 69 | 74 | 76 | 79 | 79 | 82 | 82 | 84 | 84 | 87 |
| Rain | Chc | Chc | Chc | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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