| Point Forecast: Simpsonville SC 34.71N 82.25W (Elev. 262 m) |
Last Update: 6:13 am EDT May 10, 2026 |
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| Date | 05/10 | 05/11 | ||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 15 | 17 | 21 | 23 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 23 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 15 | 15 |
| Dewpoint (°C) | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | ||||||||||||||||
| Surface Wind (mph) | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Wind Dir | N | NNE | NNE | NNE | NE | WSW | WSW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | W | NW | W | WNW | NNW | N | N | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 15 | 8 | 6 | 2 | 0 | 2 | 2 | 1 | 1 | 0 | 2 | 2 | 3 | 6 | 6 | 2 | 4 | 12 | 15 | 39 | 45 | 39 | 31 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 2 |
| Relative Humidity (%) | 90 | 84 | 68 | 58 | 51 | 46 | 42 | 41 | 40 | 39 | 41 | 47 | 57 | 63 | 67 | 70 | 74 | 76 | 80 | 83 | 84 | 86 | 84 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/12 | |||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 16 | 18 | 21 | 22 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 22 | 20 | 18 | 17 | 16 | 16 | 14 | 14 | 13 | 12 | 12 | 12 | 12 |
| Dewpoint (°C) | 13 | 14 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 9 | 9 | 9 |
| Heat Index (°C) | 24 | 24 | 25 | 24 | ||||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Wind Dir | NNE | NNE | NE | NNE | NNE | NE | NE | NE | NNE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 40 | 60 | 69 | 75 | 73 | 68 | 72 | 69 | 78 | 82 | 82 | 89 | 84 | 84 | 75 | 65 | 65 | 65 | 65 | 60 | 56 | 51 | 47 | 43 |
| Precipitation Potential (%) | 9 | 13 | 6 | 14 | 5 | 17 | 37 | 15 | 2 | 1 | 5 | 0 | 1 | 7 | 15 | 21 | 19 | 17 | 5 | 5 | 5 | 5 | 5 | 4 |
| Relative Humidity (%) | 83 | 77 | 71 | 64 | 60 | 59 | 57 | 56 | 58 | 59 | 60 | 64 | 71 | 77 | 80 | 81 | 83 | 84 | 85 | 85 | 85 | 84 | 83 | 82 |
| Rain | -- | -- | -- | -- | -- | SChc | Chc | SChc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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