| Point Forecast: Louisville TN 35.83N 84.04W (Elev. 863 ft) |
Last Update: 7:01 pm EDT Sep 14, 2026 |
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| Date | 09/14 | 09/15 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 75 | 74 | 73 | 72 | 70 | 69 | 69 | 68 | 67 | 68 | 71 | 78 | 82 | 86 | 89 | 91 | 92 | 93 | 94 | 92 | 89 | 86 | 81 | 79 |
| Dewpoint (°F) | 68 | 68 | 67 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 68 | 70 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 72 | 71 | 71 | 71 |
| Heat Index (°F) | 75 | 78 | 87 | 92 | 96 | 99 | 100 | 101 | 101 | 99 | 96 | 91 | 85 | 79 | ||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | NE | N | N | N | N | N | SW | SW | W | SW | SW | SW | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 23 | 34 | 33 | 36 | 37 | 30 | 28 | 18 | 24 | 21 | 10 | 10 | 7 | 17 | 11 | 17 | 26 | 23 | 12 | 22 | 13 | 26 | 17 | 8 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 0 |
| Relative Humidity (%) | 79 | 82 | 81 | 81 | 87 | 87 | 87 | 90 | 93 | 90 | 90 | 76 | 72 | 63 | 57 | 54 | 52 | 51 | 48 | 51 | 57 | 61 | 72 | 77 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/16 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 78 | 76 | 75 | 74 | 73 | 72 | 71 | 70 | 70 | 70 | 73 | 77 | 82 | 85 | 88 | 90 | 92 | 93 | 93 | 91 | 89 | 86 | 83 | 80 |
| Dewpoint (°F) | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 70 | 71 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 70 |
| Heat Index (°F) | 78 | 76 | 75 | 77 | 87 | 91 | 95 | 97 | 100 | 100 | 100 | 98 | 95 | 91 | 88 | 83 | ||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 5 | 5 | 5 | 3 | 2 | 1 |
| Wind Dir | S | S | SW | SW | W | W | SW | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | NE | NE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 7 | 6 | 8 | 12 | 18 | 16 | 21 | 18 | 25 | 17 | 19 | 14 | 9 | 11 | 12 | 14 | 11 | 8 | 5 | 9 | 12 | 16 | 16 | 16 |
| 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 (%) | 76 | 82 | 84 | 87 | 87 | 90 | 93 | 93 | 93 | 93 | 90 | 82 | 72 | 65 | 59 | 56 | 52 | 49 | 49 | 52 | 56 | 61 | 67 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
