| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 235 m) |
Last Update: 7:46 pm CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 33 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 28 | 29 | 31 | 32 | 34 | 35 | 35 | 35 | 34 |
| Dewpoint (°C) | 19 | 20 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 21 | 20 | 20 |
| Heat Index (°C) | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 31 | 34 | 36 | 36 | 38 | 39 | 38 | 38 | 37 |
| Surface Wind (mph) | 13 | 14 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 8 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 |
| Wind Dir | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | S | SSE | SSE | S | S | S | S | S | S | S | S | SSE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 43 | 45 | 47 | 53 | 63 | 61 | 89 | 89 | 81 | 74 | 82 | 87 | 89 | 89 | 64 | 45 | 37 | 17 | 14 | 17 | 15 | 15 | 13 |
| Precipitation Potential (%) | 18 | 18 | 18 | 14 | 14 | 14 | 4 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 45 | 52 | 59 | 65 | 72 | 77 | 79 | 82 | 85 | 90 | 90 | 87 | 89 | 89 | 90 | 80 | 73 | 64 | 57 | 49 | 47 | 44 | 41 | 43 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 34 | 33 | 30 | 28 | 27 | 26 | 26 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 26 | 27 | 29 | 31 | 32 | 34 | 34 | 34 | 34 | 33 |
| Dewpoint (°C) | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 37 | 35 | 32 | 31 | 30 | 28 | 26 | 24 | 24 | 24 | 26 | 29 | 32 | 34 | 36 | 37 | 37 | 38 | 37 | 36 | ||||
| Surface Wind (mph) | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
| Wind Dir | SSE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 3 | 6 | 8 | 12 | 15 | 19 | 28 | 38 | 47 | 48 | 49 | 50 | 44 | 38 | 32 | 34 | 36 | 38 | 39 | 39 | 40 | 39 | 38 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 46 | 49 | 56 | 64 | 71 | 76 | 83 | 87 | 90 | 92 | 95 | 97 | 95 | 90 | 83 | 75 | 65 | 58 | 51 | 48 | 45 | 44 | 45 | 47 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
