| Point Forecast: Hilton Head Island SC 32.2N 80.76W (Elev. 10 ft) |
Last Update: 1:43 pm EDT Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 90 | 90 | 91 | 89 | 88 | 86 | 83 | 81 | 81 | 80 | 80 | 79 | 79 | 78 | 78 | 77 | 77 | 76 | 79 | 81 | 84 | 86 | 88 | 89 |
| Dewpoint (°F) | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 77 | 78 | 77 | 77 |
| Heat Index (°F) | 105 | 105 | 106 | 103 | 102 | 97 | 92 | 88 | 88 | 87 | 87 | 79 | 79 | 78 | 78 | 77 | 77 | 76 | 79 | 88 | 94 | 98 | 100 | 102 |
| Surface Wind (mph) | 5 | 5 | 5 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 |
| Wind Dir | N | E | S | S | S | S | S | S | S | SE | S | SW | S | NW | N | N | NE | NE | NE | NE | NE | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 28 | 43 | 48 | 59 | 58 | 51 | 38 | 45 | 28 | 52 | 40 | 41 | 24 | 24 | 29 | 30 | 23 | 25 | 16 | 21 | 24 | 21 | 35 | 45 |
| Precipitation Potential (%) | 16 | 22 | 24 | 39 | 37 | 26 | 18 | 12 | 10 | 9 | 10 | 14 | 9 | 9 | 5 | 4 | 3 | 4 | 9 | 9 | 9 | 12 | 19 | 23 |
| Relative Humidity (%) | 68 | 68 | 66 | 70 | 72 | 75 | 82 | 88 | 88 | 91 | 91 | 91 | 88 | 91 | 91 | 94 | 94 | 97 | 91 | 88 | 80 | 77 | 70 | 68 |
| Rain | SChc | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | SChc | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 89 | 89 | 89 | 87 | 86 | 85 | 82 | 81 | 80 | 80 | 79 | 79 | 78 | 77 | 77 | 77 | 77 | 78 | 79 | 81 | 84 | 86 | 87 | 87 |
| Dewpoint (°F) | 77 | 77 | 76 | 77 | 77 | 76 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 76 | 77 | 77 | 77 |
| Heat Index (°F) | 102 | 102 | 100 | 99 | 97 | 94 | 90 | 88 | 87 | 87 | 79 | 79 | 78 | 77 | 77 | 77 | 77 | 78 | 79 | 88 | 93 | 97 | 99 | 99 |
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 8 |
| Wind Dir | E | E | E | SE | SE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 50 | 53 | 53 | 59 | 60 | 43 | 44 | 41 | 36 | 30 | 24 | 19 | 16 | 14 | 14 | 15 | 18 | 54 | 54 | 54 | 54 | 54 | 54 |
| Precipitation Potential (%) | 25 | 25 | 30 | 30 | 38 | 40 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 31 | 31 | 31 | 31 | 31 | 31 |
| Relative Humidity (%) | 68 | 68 | 66 | 72 | 75 | 75 | 85 | 88 | 91 | 91 | 91 | 91 | 94 | 97 | 97 | 97 | 97 | 94 | 94 | 88 | 77 | 75 | 72 | 72 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc |
