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| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 235 m) |
Last Update: 2:34 pm CDT Jun 22, 2021 |
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| Date | 06/22 | 06/23 | ||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 31 | 32 | 32 | 31 | 29 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 24 | 24 | 24 | 26 | 27 | 28 | 30 | 31 | 32 | 33 | 34 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 22 |
| Heat Index (°C) | 34 | 36 | 36 | 35 | 33 | 31 | 31 | 31 | 29 | 26 | 26 | 26 | 26 | 24 | 24 | 24 | 26 | 31 | 33 | 34 | 36 | 37 | 37 | 38 |
| Surface Wind (mph) | 9 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 11 | 11 |
| Wind Dir | ENE | ENE | E | E | E | E | E | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 37 | 32 | 27 | 27 | 27 | 27 | 31 | 35 | 39 | 41 | 43 | 45 | 47 | 49 | 51 | 48 | 45 | 42 | 38 | 33 | 29 | 29 | 30 |
| Precipitation Potential (%) | 10 | 10 | 10 | 5 | 5 | 5 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
| Relative Humidity (%) | 58 | 56 | 56 | 59 | 65 | 71 | 75 | 76 | 80 | 85 | 85 | 89 | 89 | 92 | 92 | 92 | 90 | 81 | 75 | 68 | 62 | 56 | 53 | 51 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/24 | |||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°C) | 34 | 34 | 34 | 33 | 31 | 30 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 29 | 31 | 32 | 33 | 33 | 34 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
| Heat Index (°C) | 39 | 39 | 38 | 38 | 36 | 34 | 33 | 31 | 30 | 29 | 29 | 26 | 26 | 26 | 26 | 26 | 29 | 32 | 34 | 35 | 36 | 37 | 38 | 39 |
| Surface Wind (mph) | 13 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 13 |
| Wind Dir | SSE | SSE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | S | S | S | S | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 31 | 28 | 25 | 22 | 20 | 18 | 16 | 21 | 26 | 31 | 41 | 52 | 63 | 63 | 64 | 70 | 62 | 53 | 45 | 40 | 36 | 31 | 26 | 20 |
| Precipitation Potential (%) | 7 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 |
| Relative Humidity (%) | 49 | 49 | 51 | 53 | 61 | 65 | 72 | 77 | 79 | 82 | 82 | 88 | 88 | 88 | 88 | 87 | 83 | 76 | 70 | 65 | 61 | 57 | 53 | 49 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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