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| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 235 m) |
Last Update: 2:21 am CDT Jul 31, 2021 |
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| Date | 07/31 | 08/01 | ||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 29 |
| Dewpoint (°C) | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 37 | 38 | 38 | 39 | 39 | 39 | 38 | 38 | 37 | 36 | 35 | 34 | 34 | 33 | 32 | 31 | 31 | 30 | 28 | 26 | 25 | 26 | 30 | 33 |
| Surface Wind (mph) | 7 | 6 | 7 | 7 | 10 | 10 | 11 | 13 | 13 | 11 | 11 | 11 | 13 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 9 |
| Wind Dir | SSW | S | S | SSE | SSE | SE | SE | SSE | SE | SE | SSE | SSE | SSE | SSE | S | S | S | SSE | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 15 | 20 | 19 | 30 | 25 | 23 | 44 | 24 | 21 | 13 | 7 | 4 | 6 | 8 | 12 | 11 | 11 | 24 | 30 | 28 | 13 | 16 | 9 |
| Precipitation Potential (%) | 3 | 3 | 11 | 11 | 11 | 20 | 20 | 20 | 4 | 4 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 61 | 58 | 54 | 50 | 50 | 49 | 48 | 49 | 50 | 53 | 56 | 61 | 66 | 68 | 71 | 77 | 79 | 80 | 84 | 89 | 91 | 88 | 79 | 67 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/02 | |||||||||||||||||||||||
| Hour (CDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°C) | 31 | 33 | 33 | 34 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 |
| Dewpoint (°C) | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Heat Index (°C) | 36 | 38 | 38 | 39 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 34 | 34 | 33 | 32 | 32 | 31 | 30 | 28 | 26 | 26 | 26 | 29 | 31 |
| Surface Wind (mph) | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | S | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | SSW | SSW | SSW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 23 | 30 | 33 | 37 | 40 | 39 | 37 | 43 | 43 | 42 | 42 | 40 | 37 | 35 | 38 | 42 | 45 | 49 | 53 | 57 | 57 | 56 | 56 |
| Precipitation Potential (%) | 4 | 4 | 30 | 30 | 30 | 30 | 30 | 30 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 18 | 18 | 18 | 18 | 18 | 26 | 26 | 26 | 26 |
| Relative Humidity (%) | 61 | 56 | 52 | 49 | 46 | 46 | 47 | 49 | 51 | 54 | 57 | 60 | 63 | 66 | 70 | 73 | 77 | 80 | 84 | 86 | 88 | 86 | 83 | 78 |
| Rain | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
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