| Point Forecast: 4 Miles SW San Marcos TX 29.86N 97.99W (Elev. 748 ft) |
Last Update: 8:54 pm CDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 79 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 76 | 75 | 76 | 76 | 77 | 80 | 83 | 84 | 87 | 90 | 91 | 92 | 92 | 90 | 90 | 88 |
| Dewpoint (°F) | 74 | 74 | 74 | 74 | 73 | 73 | 74 | 74 | 74 | 75 | 74 | 75 | 76 | 76 | 77 | 77 | 76 | 75 | 74 | 73 | 73 | 73 | 73 | 72 |
| Heat Index (°F) | 79 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 76 | 75 | 76 | 76 | 77 | 86 | 92 | 94 | 98 | 101 | 100 | 100 | 101 | 98 | 98 | 95 |
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 |
| Wind Dir | SSE | E | ESE | ESE | SSE | S | S | S | S | S | S | SSE | SSE | S | S | S | S | S | S | S | SSE | S | SSE | SSE |
| Gust | 18 | 18 | 20 | 20 | 20 | 20 | 18 | |||||||||||||||||
| Sky Cover (%) | 56 | 52 | 61 | 62 | 73 | 63 | 67 | 66 | 70 | 68 | 83 | 75 | 74 | 67 | 68 | 33 | 31 | 29 | 28 | 29 | 23 | 42 | 35 | 32 |
| Precipitation Potential (%) | 21 | 21 | 4 | 4 | 4 | 15 | 15 | 15 | 16 | 16 | 16 | 12 | 12 | 12 | 10 | 10 | 10 | 13 | 13 | 13 | 14 | 14 | 14 | 4 |
| Relative Humidity (%) | 85 | 93 | 94 | 94 | 90 | 90 | 94 | 97 | 94 | 100 | 94 | 97 | 97 | 88 | 82 | 80 | 70 | 62 | 58 | 55 | 54 | 58 | 58 | 60 |
| Rain | SChc | SChc | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 85 | 81 | 78 | 77 | 76 | 75 | 74 | 74 | 74 | 74 | 75 | 75 | 77 | 79 | 81 | 84 | 88 | 90 | 93 | 94 | 94 | 94 | 93 | 91 |
| Dewpoint (°F) | 71 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 74 | 73 | 72 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 90 | 84 | 78 | 77 | 76 | 75 | 75 | 75 | 77 | 79 | 87 | 92 | 97 | 100 | 102 | 102 | 102 | 101 | 100 | 97 | ||||
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
| Wind Dir | SSE | SSE | SSE | SSE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSE | SSE |
| Gust | 18 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | |||||||||||||||
| Sky Cover (%) | 33 | 30 | 26 | 31 | 35 | 40 | 51 | 61 | 72 | 70 | 67 | 65 | 62 | 58 | 55 | 44 | 32 | 21 | 19 | 17 | 15 | 17 | 18 | 20 |
| Precipitation Potential (%) | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Relative Humidity (%) | 64 | 73 | 78 | 83 | 87 | 93 | 95 | 96 | 96 | 96 | 98 | 96 | 92 | 89 | 82 | 74 | 67 | 59 | 53 | 49 | 47 | 48 | 49 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
