


Point Forecast: Hilton Head Island SC 32.2N 80.76W (Elev. 3 m) |
Last Update: 7:06 pm EDT Jul 13, 2025 |
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Date | 07/13 | 07/14 | ||||||||||||||||||||||
Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Temperature (°C) | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 26 | 27 | 29 | 30 | 31 | 32 | 32 | 32 | 32 | 31 | 30 | 29 | 28 |
Dewpoint (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 |
Heat Index (°C) | 31 | 31 | 29 | 29 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 26 | 31 | 34 | 37 | 38 | 39 | 39 | 39 | 38 | 37 | 36 | 34 | 32 |
Surface Wind (mph) | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 5 |
Wind Dir | S | S | SE | S | SW | S | NW | N | N | NE | NE | NE | NE | NE | E | E | E | E | E | E | SE | SE | E | E |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 53 | 37 | 37 | 38 | 32 | 19 | 16 | 21 | 26 | 26 | 23 | 13 | 21 | 24 | 21 | 35 | 45 | 50 | 50 | 53 | 53 | 59 | 60 | 43 |
Precipitation Potential (%) | 16 | 13 | 9 | 10 | 10 | 9 | 9 | 5 | 4 | 3 | 4 | 9 | 9 | 9 | 12 | 19 | 23 | 25 | 25 | 30 | 30 | 38 | 40 | 10 |
Relative Humidity (%) | 82 | 82 | 85 | 85 | 88 | 88 | 91 | 91 | 94 | 94 | 97 | 91 | 88 | 80 | 77 | 70 | 68 | 68 | 68 | 66 | 72 | 75 | 75 | 85 |
Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
Date | 07/15 | |||||||||||||||||||||||
Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Temperature (°C) | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 29 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 29 | 28 |
Dewpoint (°C) | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 25 |
Heat Index (°C) | 31 | 31 | 31 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 31 | 34 | 36 | 37 | 37 | 38 | 37 | 37 | 37 | 36 | 34 | 32 |
Surface Wind (mph) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 7 |
Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 44 | 41 | 36 | 30 | 24 | 19 | 16 | 14 | 14 | 15 | 18 | 54 | 54 | 54 | 54 | 54 | 54 | 65 | 65 | 65 | 65 | 65 | 65 | 43 |
Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 31 | 31 | 31 | 31 | 31 | 31 | 47 | 47 | 47 | 47 | 47 | 47 | 13 |
Relative Humidity (%) | 88 | 91 | 91 | 91 | 91 | 94 | 97 | 97 | 97 | 97 | 94 | 94 | 88 | 77 | 75 | 72 | 72 | 75 | 72 | 72 | 72 | 72 | 77 | 85 |
Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- |