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| Point Forecast: San Antonio International Airport TX 29.53N 98.45W (Elev. 771 ft) |
Last Update: 1:34 pm CDT Apr 17, 2021 |
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| Date | 04/17 | 04/18 | ||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 62 | 64 | 65 | 66 | 66 | 65 | 64 | 62 | 60 | 57 | 56 | 54 | 53 | 52 | 52 | 51 | 50 | 51 | 51 | 52 | 54 | 59 | 61 | 63 |
| Dewpoint (°F) | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 39 | 40 | 40 | 39 | 39 | 39 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 13 | 10 | 8 | 8 | 9 | 11 | 13 | 14 | 13 | 13 | 14 | 14 | 13 |
| Wind Dir | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE |
| Gust | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 18 | 20 | 20 | 18 | 18 | 18 | 18 | 21 | 20 | |||||||
| Sky Cover (%) | 59 | 41 | 55 | 55 | 61 | 69 | 59 | 37 | 35 | 51 | 31 | 22 | 29 | 37 | 39 | 48 | 35 | 32 | 61 | 50 | 64 | 44 | 46 | 33 |
| Precipitation Potential (%) | 18 | 18 | 18 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
| Relative Humidity (%) | 45 | 41 | 38 | 37 | 37 | 38 | 40 | 43 | 46 | 52 | 56 | 61 | 63 | 66 | 63 | 66 | 68 | 66 | 63 | 63 | 58 | 48 | 44 | 41 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 04/19 | |||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°F) | 65 | 68 | 70 | 70 | 71 | 71 | 69 | 66 | 62 | 61 | 60 | 58 | 56 | 55 | 54 | 53 | 52 | 51 | 52 | 55 | 59 | 63 | 66 | 69 |
| Dewpoint (°F) | 39 | 38 | 38 | 38 | 37 | 38 | 38 | 38 | 39 | 40 | 41 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 41 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 10 | 11 | 11 | 13 | 13 | 11 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
| Wind Dir | NNE | NNE | NNE | NNE | NE | NE | ENE | ENE | NE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NNE | NNE | ENE | ENE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 62 | 58 | 65 | 49 | 43 | 38 | 40 | 42 | 44 | 37 | 30 | 23 | 33 | 44 | 54 | 57 | 61 | 68 | 66 | 64 | 62 | 58 | 53 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 7 | 7 |
| Relative Humidity (%) | 38 | 34 | 31 | 31 | 29 | 30 | 32 | 36 | 43 | 46 | 49 | 55 | 59 | 61 | 61 | 64 | 66 | 68 | 66 | 61 | 54 | 46 | 40 | 36 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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