| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 771 ft) |
Last Update: 6:02 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 77 | 77 | 77 | 79 | 83 | 85 | 88 | 89 | 91 | 93 | 93 | 94 | 92 | 90 | 88 | 85 | 82 | 81 | 80 | 79 | 78 | 78 | 77 | 77 |
| Dewpoint (°F) | 75 | 75 | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 73 | 74 | 74 | 74 |
| Heat Index (°F) | 77 | 77 | 77 | 79 | 91 | 94 | 98 | 98 | 101 | 102 | 101 | 102 | 100 | 97 | 95 | 91 | 87 | 86 | 84 | 79 | 78 | 78 | 77 | 77 |
| Surface Wind (mph) | 6 | 5 | 6 | 6 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 |
| Wind Dir | SSE | SSE | SSE | SSE | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | S | S |
| Gust | 18 | 18 | 20 | 18 | 20 | 20 | 20 | 18 | ||||||||||||||||
| Sky Cover (%) | 80 | 84 | 84 | 85 | 61 | 56 | 55 | 48 | 46 | 43 | 36 | 40 | 34 | 37 | 20 | 22 | 25 | 24 | 25 | 38 | 43 | 67 | 85 | 80 |
| Precipitation Potential (%) | 20 | 12 | 12 | 12 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 14 | 14 | 6 | 6 | 6 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 94 | 94 | 97 | 91 | 80 | 75 | 66 | 61 | 58 | 52 | 51 | 49 | 52 | 56 | 59 | 65 | 74 | 77 | 79 | 85 | 85 | 88 | 90 | 90 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 77 | 76 | 78 | 78 | 82 | 85 | 88 | 91 | 93 | 95 | 95 | 95 | 94 | 92 | 90 | 87 | 84 | 82 | 80 | 79 | 78 | 76 | 76 | 75 |
| Dewpoint (°F) | 73 | 74 | 74 | 74 | 75 | 75 | 75 | 74 | 73 | 71 | 70 | 69 | 69 | 69 | 69 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 77 | 76 | 78 | 78 | 89 | 94 | 98 | 101 | 102 | 103 | 102 | 101 | 99 | 97 | 95 | 92 | 89 | 86 | 84 | 79 | 78 | 76 | 76 | 75 |
| Surface Wind (mph) | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 |
| Wind Dir | SSE | S | S | S | S | S | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE |
| Gust | 18 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 20 | 20 | 18 | ||||||||||||
| Sky Cover (%) | 85 | 92 | 85 | 69 | 52 | 41 | 30 | 19 | 20 | 21 | 22 | 20 | 17 | 15 | 17 | 18 | 20 | 21 | 23 | 24 | 31 | 37 | 44 | 47 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 88 | 94 | 88 | 88 | 79 | 72 | 66 | 58 | 52 | 46 | 45 | 43 | 44 | 47 | 50 | 57 | 65 | 69 | 77 | 79 | 82 | 87 | 87 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
