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| Point Forecast: 4 Miles SSW San Marcos TX 29.83N 97.94W (Elev. 610 ft) |
Last Update: 3:03 pm CDT Sep 22, 2019 |
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| Date | 09/22 | 09/23 | ||||||||||||||||||||||
| 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 (°F) | 98 | 97 | 95 | 93 | 89 | 85 | 82 | 79 | 78 | 76 | 76 | 75 | 74 | 73 | 72 | 72 | 74 | 78 | 82 | 86 | 90 | 94 | 96 | 98 |
| Dewpoint (°F) | 68 | 68 | 69 | 70 | 71 | 72 | 73 | 73 | 74 | 74 | 73 | 74 | 73 | 73 | 72 | 72 | 74 | 76 | 76 | 74 | 74 | 73 | 72 | 71 |
| Heat Index (°F) | 104 | 102 | 101 | 99 | 95 | 91 | 87 | 79 | 78 | 76 | 76 | 75 | 78 | 89 | 94 | 99 | 103 | 105 | 106 | |||||
| Surface Wind (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
| Wind Dir | SSE | SSE | SSE | SSE | SE | SE | SE | SSE | SSE | SSE | SSE | S | S | S | S | S | S | S | S | S | S | SSE | SSE | SSE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 58 | 50 | 53 | 57 | 60 | 48 | 36 | 35 | 33 | 32 | 42 | 52 | 62 | 65 | 67 | 70 | 66 | 63 | 59 | 52 | 45 | 38 | 39 | 41 |
| Precipitation Potential (%) | 8 | 8 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 |
| Relative Humidity (%) | 38 | 39 | 43 | 47 | 56 | 65 | 74 | 82 | 88 | 94 | 90 | 97 | 97 | 100 | 100 | 100 | 100 | 94 | 82 | 68 | 60 | 51 | 46 | 42 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/24 | |||||||||||||||||||||||
| 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 (°F) | 98 | 97 | 95 | 93 | 89 | 85 | 82 | 79 | 78 | 77 | 76 | 75 | 74 | 73 | 72 | 73 | 75 | 78 | 82 | 86 | 89 | 92 | 94 | 96 |
| Dewpoint (°F) | 71 | 71 | 71 | 72 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 74 | 74 | 75 | 74 | 74 | 73 | 72 | 72 |
| Heat Index (°F) | 106 | 105 | 103 | 101 | 97 | 92 | 88 | 79 | 78 | 77 | 76 | 75 | 75 | 78 | 89 | 94 | 98 | 101 | 103 | 105 | ||||
| Surface Wind (mph) | 7 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 |
| Wind Dir | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 42 | 41 | 41 | 40 | 37 | 34 | 31 | 34 | 36 | 39 | 49 | 60 | 70 | 69 | 68 | 67 | 66 | 65 | 64 | 60 | 56 | 52 | 51 | 49 |
| Precipitation Potential (%) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Relative Humidity (%) | 42 | 43 | 46 | 51 | 59 | 67 | 77 | 85 | 88 | 90 | 94 | 97 | 100 | 100 | 100 | 100 | 96 | 89 | 79 | 68 | 61 | 54 | 50 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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