| Point Forecast: Key West FL 24.56N 81.8W (Elev. 3 ft) |
Last Update: 8:15 pm EDT Sep 8, 2026 |
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| Date | 09/08 | 09/09 | ||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 85 | 86 | 87 | 86 | 85 | 85 | 83 | 83 | 83 | 83 | 84 | 84 | 86 | 87 | 85 | 89 | 91 | 91 | 92 | 89 | 86 | 88 | 91 | 89 |
| Dewpoint (°F) | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 |
| Heat Index (°F) | 94 | 96 | 98 | 96 | 94 | 96 | 92 | 92 | 92 | 92 | 94 | 94 | 97 | 99 | 96 | 102 | 106 | 106 | 107 | 103 | 98 | 100 | 105 | 102 |
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 30 | 30 | 30 | 40 | 40 | 40 | 37 | 37 | 37 | 35 | 35 | 35 | 34 | 34 | 34 | 35 | 35 | 35 | 30 | 30 | 30 | 28 | 28 | 28 |
| Precipitation Potential (%) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Relative Humidity (%) | 75 | 72 | 70 | 72 | 75 | 77 | 82 | 82 | 82 | 82 | 80 | 80 | 75 | 72 | 77 | 68 | 66 | 66 | 64 | 70 | 77 | 70 | 64 | 68 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Date | 09/10 | |||||||||||||||||||||||
| Hour (EDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°F) | 85 | 86 | 87 | 86 | 85 | 85 | 83 | 83 | 83 | 83 | 84 | 84 | 86 | 87 | 85 | 89 | 91 | 91 | 92 | 89 | 87 | 89 | 91 | 89 |
| Dewpoint (°F) | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 77 |
| Heat Index (°F) | 96 | 97 | 99 | 97 | 96 | 97 | 93 | 93 | 93 | 93 | 95 | 95 | 98 | 100 | 97 | 103 | 106 | 106 | 107 | 103 | 100 | 103 | 106 | 102 |
| Surface Wind (mph) | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 22 | 22 | 22 | 37 | 37 | 37 | 48 | 48 | 48 | 53 | 53 | 53 | 52 | 52 | 52 | 59 | 59 | 59 | 55 | 55 | 55 | 58 | 58 | 58 |
| Precipitation Potential (%) | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Relative Humidity (%) | 77 | 75 | 72 | 75 | 77 | 80 | 85 | 85 | 85 | 85 | 82 | 82 | 77 | 75 | 80 | 70 | 66 | 66 | 64 | 70 | 75 | 70 | 66 | 68 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |


