| Point Forecast: 2 Miles N San Juan PR 18.44N 66.07W (Elev. 36 ft) |
Last Update: 3:46 am AST Jul 13, 2025 |
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| Date | 07/13 | 07/14 | ||||||||||||||||||||||
| Hour (AST) | 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) | 88 | 86 | 84 | 82 | 81 | 80 | 80 | 79 | 79 | 78 | 77 | 77 | 77 | 79 | 81 | 83 | 85 | 87 | 88 | 89 | 90 | 90 | 90 | 89 |
| Dewpoint (°F) | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Heat Index (°F) | 97 | 95 | 91 | 88 | 86 | 85 | 84 | 83 | 79 | 78 | 77 | 77 | 77 | 79 | 85 | 89 | 91 | 95 | 97 | 98 | 99 | 99 | 99 | 99 |
| Surface Wind (mph) | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | 13 | 14 | 15 | 15 | 15 | 16 |
| Wind Dir | E | E | E | E | E | E | E | E | E | ESE | ESE | ESE | SE | SE | SE | ESE | ESE | ESE | E | E | E | E | E | E |
| Gust | 20 | 20 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 40 | 40 | 40 | 40 | 40 | 50 | 50 | 50 | 29 | 29 | 29 | 30 | 30 | 30 | 25 | 25 | 25 | 50 | 50 | 50 | 70 | 70 | 70 | 70 |
| Precipitation Potential (%) | 20 | 20 | 20 | 20 | 20 | 30 | 30 | 30 | 9 | 9 | 9 | 10 | 10 | 10 | 5 | 5 | 5 | 30 | 30 | 30 | 50 | 50 | 50 | 50 |
| Relative Humidity (%) | 66 | 70 | 73 | 77 | 79 | 81 | 83 | 85 | 86 | 88 | 89 | 87 | 87 | 83 | 77 | 72 | 68 | 66 | 64 | 61 | 60 | 60 | 60 | 61 |
| Rain | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (AST) | 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) | 89 | 87 | 84 | 82 | 81 | 81 | 80 | 79 | 79 | 78 | 78 | 77 | 77 | 79 | 81 | 83 | 85 | 87 | 88 | 89 | 90 | 90 | 90 | 90 |
| Dewpoint (°F) | 74 | 74 | 74 | 73 | 73 | 73 | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 74 | 74 | 75 | 75 | 75 | 76 | 76 | 76 |
| Heat Index (°F) | 98 | 95 | 91 | 88 | 86 | 85 | 84 | 83 | 79 | 78 | 78 | 77 | 77 | 79 | 85 | 89 | 92 | 95 | 97 | 99 | 101 | 102 | 102 | 101 |
| Surface Wind (mph) | 16 | 15 | 14 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 14 | 15 | 16 | 17 | 18 | 18 |
| Wind Dir | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | E | E | E | E | E | E | E | E | E |
| Gust | 20 | 20 | 21 | 22 | 23 | 23 | ||||||||||||||||||
| Sky Cover (%) | 70 | 70 | 20 | 20 | 20 | 20 | 20 | 20 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 60 | 60 | 60 |
| Precipitation Potential (%) | 50 | 50 | 4 | 4 | 4 | 4 | 4 | 4 | 10 | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 40 | 40 | 40 |
| Relative Humidity (%) | 62 | 66 | 71 | 74 | 76 | 78 | 82 | 84 | 85 | 86 | 86 | 86 | 85 | 80 | 76 | 73 | 70 | 67 | 65 | 64 | 63 | 63 | 64 | 64 |
| Rain | Chc | Chc | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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