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| Point Forecast: Port Isabel-Cameron County Airport TX 26.17N 97.34W |
Last Update: 2:18 am CDT Aug 1, 2021 |
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| Date | 08/01 | 08/02 | ||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 80 | 79 | 79 | 78 | 78 | 79 | 81 | 83 | 85 | 88 | 90 | 92 | 93 | 93 | 93 | 91 | 90 | 88 | 86 | 85 | 84 | 83 | 82 | 82 |
| Dewpoint (°F) | 77 | 77 | 76 | 77 | 77 | 76 | 78 | 79 | 78 | 77 | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 |
| Heat Index (°F) | 87 | 84 | 79 | 78 | 78 | 79 | 89 | 94 | 98 | 100 | 102 | 104 | 106 | 106 | 106 | 104 | 101 | 99 | 97 | 96 | 94 | 92 | 91 | 89 |
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 10 | 11 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 11 | 9 | 9 | 8 | 8 | 7 |
| Wind Dir | S | S | S | S | S | SSE | SSE | S | S | SSE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE |
| Gust | 20 | 21 | 21 | 21 | 20 | |||||||||||||||||||
| Sky Cover (%) | 9 | 10 | 26 | 30 | 29 | 36 | 17 | 24 | 29 | 27 | 22 | 22 | 23 | 19 | 17 | 23 | 14 | 12 | 12 | 14 | 12 | 13 | 13 | 10 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 90 | 93 | 93 | 95 | 95 | 91 | 93 | 87 | 79 | 70 | 64 | 60 | 59 | 59 | 59 | 63 | 65 | 70 | 73 | 78 | 81 | 83 | 85 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/03 | |||||||||||||||||||||||
| Hour (CDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 81 | 80 | 80 | 79 | 79 | 79 | 81 | 85 | 88 | 90 | 92 | 92 | 93 | 93 | 93 | 91 | 90 | 89 | 87 | 86 | 84 | 84 | 83 | 82 |
| Dewpoint (°F) | 77 | 77 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 77 | 77 |
| Heat Index (°F) | 88 | 87 | 85 | 84 | 79 | 79 | 89 | 95 | 101 | 104 | 105 | 106 | 106 | 107 | 107 | 105 | 103 | 101 | 99 | 97 | 95 | 94 | 92 | 91 |
| Surface Wind (mph) | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 9 | 10 | 10 | 11 | 11 | 13 | 14 | 14 | 14 | 14 | 13 | 11 | 10 | 9 | 8 | 8 | 8 |
| Wind Dir | SSE | S | S | S | S | S | S | S | S | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE |
| Gust | 20 | 20 | 20 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 10 | 10 | 14 | 18 | 11 | 7 | 6 | 10 | 8 | 10 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 27 | 27 | 27 | 27 | 27 | 27 | 26 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 6 |
| Relative Humidity (%) | 88 | 89 | 89 | 90 | 91 | 92 | 86 | 78 | 70 | 65 | 62 | 60 | 60 | 61 | 61 | 63 | 65 | 68 | 72 | 76 | 79 | 82 | 83 | 85 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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