| Point Forecast: San Marcos TX 29.88N 97.94W (Elev. 176 m) |
Last Update: 1:09 pm CDT Sep 21, 2024 |
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| Date | 09/21 | 09/22 | ||||||||||||||||||||||
| 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 (°C) | 32 | 33 | 34 | 34 | 34 | 34 | 33 | 31 | 29 | 28 | 27 | 26 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 27 | 28 | 30 |
| Dewpoint (°C) | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 |
| Heat Index (°C) | 36 | 37 | 37 | 37 | 37 | 36 | 34 | 33 | 31 | 30 | 28 | 26 | 24 | 24 | 24 | 24 | 24 | 30 | 32 | 34 | ||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 8 | 9 | 8 | 8 | 9 | 9 | 9 | 7 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 5 | 6 | 6 | 7 |
| Wind Dir | SSE | SSE | SSE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 14 | 9 | 15 | 27 | 14 | 24 | 21 | 30 | 28 | 7 | 11 | 30 | 30 | 33 | 50 | 49 | 50 | 60 | 53 | 45 | 41 | 41 | 41 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 56 | 49 | 46 | 43 | 43 | 43 | 45 | 50 | 61 | 69 | 74 | 82 | 90 | 90 | 94 | 94 | 97 | 97 | 100 | 97 | 97 | 88 | 74 | 68 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/23 | |||||||||||||||||||||||
| 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 (°C) | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 29 | 28 | 27 | 27 | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 25 | 27 | 28 | 30 |
| Dewpoint (°C) | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 |
| Heat Index (°C) | 36 | 36 | 37 | 37 | 36 | 36 | 34 | 31 | 29 | 29 | 28 | 26 | 24 | 24 | 25 | 29 | 31 | 33 | ||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 3 | 5 |
| Wind Dir | S | S | S | S | S | SSE | SSE | SE | SE | SSE | SSE | S | S | S | S | S | SSW | W | W | WNW | NW | NNW | N | NNE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 30 | 23 | 28 | 19 | 17 | 18 | 26 | 33 | 35 | 40 | 32 | 33 | 33 | 42 | 51 | 60 | 57 | 55 | 52 | 46 | 41 | 35 | 33 | 31 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 7 |
| Relative Humidity (%) | 59 | 56 | 52 | 49 | 49 | 49 | 50 | 57 | 65 | 69 | 74 | 79 | 85 | 89 | 91 | 93 | 95 | 98 | 100 | 94 | 88 | 79 | 70 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
