| Point Forecast: Myrtle Beach International Airport SC 33.69N 78.93W (Elev. 20 ft) |
Last Update: 12:55 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 84 | 84 | 85 | 84 | 85 | 85 | 84 | 83 | 82 | 81 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 78 | 78 | 78 | 81 | 83 | 85 | 86 |
| Dewpoint (°F) | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 |
| Heat Index (°F) | 92 | 94 | 94 | 94 | 95 | 95 | 93 | 92 | 89 | 88 | 87 | 86 | 86 | 86 | 86 | 84 | 79 | 78 | 78 | 78 | 87 | 92 | 94 | 96 |
| Surface Wind (mph) | 9 | 10 | 11 | 11 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 7 | 8 | 9 | 10 |
| Wind Dir | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 16 | 15 | 15 | 15 | 16 | |||||||||||||||||||
| Sky Cover (%) | 52 | 59 | 70 | 70 | 60 | 57 | 57 | 40 | 21 | 23 | 36 | 30 | 43 | 40 | 40 | 34 | 45 | 34 | 32 | 25 | 34 | 36 | 38 | 41 |
| Precipitation Potential (%) | 23 | 32 | 41 | 34 | 29 | 23 | 19 | 21 | 11 | 13 | 13 | 9 | 10 | 8 | 17 | 13 | 15 | 14 | 12 | 14 | 57 | 57 | 57 | 57 |
| Relative Humidity (%) | 79 | 77 | 77 | 78 | 78 | 78 | 80 | 81 | 83 | 86 | 87 | 88 | 86 | 88 | 86 | 88 | 91 | 90 | 92 | 92 | 86 | 79 | 75 | 72 |
| Rain | SChc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | SChc | -- | SChc | -- | -- | -- | Lkly | Lkly | Lkly | Lkly |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 86 | 87 | 87 | 87 | 87 | 87 | 85 | 84 | 82 | 81 | 80 | 80 | 79 | 79 | 79 | 78 | 78 | 78 | 79 | 80 | 81 | 83 | 85 | 87 |
| Dewpoint (°F) | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 76 | 75 |
| Heat Index (°F) | 97 | 97 | 98 | 98 | 98 | 98 | 96 | 93 | 90 | 88 | 87 | 85 | 84 | 79 | 79 | 78 | 78 | 78 | 79 | 85 | 87 | 91 | 94 | 97 |
| Surface Wind (mph) | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 9 | 9 | 11 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | S | S |
| Gust | 17 | 18 | 18 | 20 | 20 | 20 | 20 | 18 | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | ||||||||
| Sky Cover (%) | 39 | 47 | 46 | 45 | 46 | 46 | 41 | 36 | 30 | 24 | 21 | 18 | 18 | 18 | 18 | 21 | 23 | 25 | 26 | 28 | 29 | 30 | 36 | 37 |
| Precipitation Potential (%) | 57 | 57 | 40 | 40 | 40 | 40 | 40 | 40 | 4 | 4 | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 7 | 7 | 7 | 31 | 31 | 31 | 31 |
| Relative Humidity (%) | 71 | 71 | 70 | 71 | 71 | 72 | 75 | 79 | 83 | 85 | 87 | 89 | 90 | 92 | 93 | 93 | 94 | 94 | 92 | 90 | 87 | 80 | 73 | 67 |
| Rain | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc |
