| Point Forecast: Rock Hill - York County Airport SC 34.98N 81.06W (Elev. 679 ft) |
Last Update: 4:26 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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 | 73 | 73 | 75 | 78 | 81 | 82 | 84 | 86 | 86 | 88 | 88 | 88 | 86 | 84 | 82 | 78 | 77 | 76 | 75 | 75 | 74 | 74 | 73 |
| Dewpoint (°F) | 73 | 73 | 73 | 74 | 74 | 74 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 74 | 73 | 73 |
| Heat Index (°F) | 75 | 78 | 86 | 90 | 91 | 94 | 95 | 96 | 97 | 96 | 94 | 91 | 88 | 78 | 77 | 76 | 75 | 75 | ||||||
| Surface Wind (mph) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SSE | SE | SSE | SSE | S | S | S | S | SSE | SE | SSE | SSE | SSE | SE | S | S | N | E | SE | SSE | SSE | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 45 | 54 | 51 | 39 | 47 | 51 | 60 | 54 | 61 | 64 | 62 | 61 | 65 | 69 | 72 | 68 | 63 | 56 | 60 | 54 | 62 | 44 | 34 |
| Precipitation Potential (%) | 12 | 7 | 5 | 5 | 4 | 4 | 7 | 18 | 28 | 42 | 46 | 43 | 42 | 48 | 44 | 25 | 24 | 28 | 26 | 17 | 11 | 6 | 10 | 9 |
| Relative Humidity (%) | 100 | 100 | 100 | 96 | 88 | 81 | 79 | 75 | 71 | 68 | 65 | 63 | 62 | 66 | 71 | 77 | 88 | 91 | 94 | 95 | 95 | 97 | 98 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | SChc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | SChc | SChc | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| 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 | 73 | 75 | 78 | 80 | 82 | 83 | 85 | 86 | 87 | 88 | 88 | 87 | 85 | 83 | 81 | 78 | 77 | 76 | 76 | 75 | 74 | 74 |
| Dewpoint (°F) | 73 | 72 | 73 | 74 | 74 | 74 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 75 | 78 | 84 | 88 | 90 | 92 | 94 | 95 | 96 | 96 | 95 | 92 | 89 | 85 | 79 | 77 | 76 | 76 | 75 | |||||
| Surface Wind (mph) | 2 | 2 | 3 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 67 | 53 | 61 | 56 | 52 | 47 | 45 | 51 | 55 | 57 | 61 | 63 | 61 | 58 | 56 | 53 | 51 | 43 | 42 | 40 | 39 | 42 | 44 |
| Precipitation Potential (%) | 7 | 5 | 5 | 18 | 18 | 18 | 18 | 23 | 27 | 32 | 36 | 40 | 42 | 38 | 31 | 24 | 21 | 18 | 14 | 11 | 7 | 4 | 4 | 3 |
| Relative Humidity (%) | 100 | 100 | 99 | 97 | 89 | 84 | 80 | 75 | 70 | 66 | 64 | 62 | 63 | 65 | 69 | 74 | 79 | 84 | 88 | 90 | 91 | 92 | 95 | 97 |
| Rain | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
