| Point Forecast: Port Isabel-Cameron County Airport TX 26.17N 97.34W |
Last Update: 5:30 pm CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 89 | 88 | 86 | 84 | 83 | 82 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 79 | 81 | 84 | 87 | 88 | 90 | 91 | 91 | 91 | 91 |
| Dewpoint (°F) | 77 | 76 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 78 | 78 | 76 | 76 | 76 | 75 | 74 | 74 | 75 |
| Heat Index (°F) | 102 | 99 | 97 | 94 | 92 | 91 | 89 | 90 | 89 | 89 | 88 | 85 | 86 | 85 | 79 | 89 | 95 | 98 | 99 | 101 | 103 | 101 | 101 | 102 |
| Surface Wind (mph) | 17 | 16 | 15 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 14 | 15 | 16 | 17 | 17 | 17 | 17 |
| Wind Dir | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE |
| Gust | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | ||||||||||
| Sky Cover (%) | 7 | 3 | 6 | 10 | 14 | 10 | 11 | 18 | 19 | 26 | 34 | 38 | 53 | 41 | 24 | 12 | 12 | 20 | 13 | 6 | 2 | 14 | 11 | 15 |
| 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 (%) | 68 | 69 | 74 | 81 | 86 | 89 | 90 | 90 | 91 | 93 | 92 | 95 | 94 | 94 | 94 | 89 | 80 | 72 | 67 | 63 | 60 | 58 | 57 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 89 | 88 | 85 | 84 | 82 | 81 | 81 | 80 | 80 | 79 | 79 | 79 | 78 | 77 | 77 | 79 | 82 | 85 | 86 | 88 | 88 | 89 | 89 | 89 |
| Dewpoint (°F) | 76 | 75 | 76 | 76 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 74 | 74 | 74 |
| Heat Index (°F) | 100 | 98 | 95 | 92 | 90 | 89 | 87 | 86 | 84 | 83 | 79 | 79 | 78 | 77 | 77 | 84 | 89 | 93 | 96 | 97 | 98 | 99 | 99 | 98 |
| Surface Wind (mph) | 17 | 16 | 14 | 14 | 13 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 7 | 8 | 10 | 11 | 13 | 14 | 15 | 15 | 15 |
| Wind Dir | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE |
| Gust | 22 | 21 | 20 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 20 | 20 | 20 | 41 | 33 | 25 | 28 | 31 | 34 | 29 | 25 | 20 | 22 | 24 | 26 | 26 | 25 | 25 | 22 | 20 | 17 | 21 | 25 | 29 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 64 | 66 | 74 | 79 | 83 | 86 | 88 | 89 | 90 | 91 | 92 | 93 | 95 | 96 | 94 | 88 | 81 | 74 | 70 | 67 | 65 | 62 | 61 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
