| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 771 ft) |
Last Update: 2:42 am CDT May 19, 2024 |
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| Date | 05/19 | 05/20 | ||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 76 | 73 | 73 | 72 | 73 | 73 | 75 | 79 | 81 | 84 | 87 | 91 | 91 | 93 | 93 | 92 | 91 | 88 | 84 | 82 | 79 | 77 | 75 | 74 |
| Dewpoint (°F) | 71 | 71 | 72 | 72 | 71 | 71 | 71 | 72 | 71 | 71 | 71 | 70 | 69 | 69 | 68 | 67 | 67 | 68 | 68 | 67 | 68 | 69 | 70 | 70 |
| Heat Index (°F) | 76 | 75 | 79 | 85 | 89 | 93 | 97 | 96 | 98 | 97 | 96 | 94 | 92 | 87 | 85 | 79 | 77 | 75 | ||||||
| Surface Wind (mph) | 6 | 6 | 5 | 5 | 2 | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 |
| Wind Dir | SSE | SSE | S | S | S | S | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 32 | 46 | 60 | 74 | 76 | 51 | 56 | 51 | 42 | 24 | 14 | 5 | 5 | 3 | 3 | 2 | 3 | 4 | 3 | 5 | 3 | 4 | 4 | 33 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 85 | 93 | 97 | 100 | 93 | 93 | 87 | 79 | 72 | 65 | 59 | 50 | 49 | 46 | 44 | 44 | 45 | 52 | 59 | 61 | 69 | 76 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/21 | |||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°F) | 74 | 73 | 73 | 73 | 72 | 74 | 75 | 79 | 82 | 85 | 88 | 91 | 93 | 94 | 94 | 94 | 92 | 89 | 86 | 83 | 80 | 78 | 77 | 76 |
| Dewpoint (°F) | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 68 | 68 | 68 | 69 | 69 | 70 | 71 | 72 | 73 | 73 |
| Heat Index (°F) | 75 | 79 | 86 | 90 | 93 | 96 | 98 | 99 | 99 | 98 | 96 | 94 | 90 | 87 | 83 | 78 | 77 | 76 | ||||||
| Surface Wind (mph) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE |
| Gust | 18 | 20 | 20 | 20 | 18 | 18 | 18 | |||||||||||||||||
| Sky Cover (%) | 70 | 70 | 70 | 81 | 73 | 64 | 56 | 47 | 34 | 28 | 22 | 17 | 12 | 7 | 8 | 10 | 11 | 18 | 25 | 32 | 42 | 52 | 62 | 68 |
| 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 (%) | 90 | 93 | 93 | 93 | 97 | 90 | 87 | 77 | 67 | 60 | 55 | 50 | 47 | 44 | 43 | 43 | 46 | 51 | 57 | 65 | 74 | 82 | 87 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
