| Point Forecast: Louisville TN 35.83N 84.04W (Elev. 863 ft) |
Last Update: 2:26 am EDT Sep 7, 2026 |
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| Date | 09/07 | 09/08 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 70 | 69 | 69 | 69 | 71 | 75 | 78 | 82 | 84 | 85 | 87 | 85 | 84 | 82 | 79 | 77 | 75 | 74 | 73 | 72 | 71 | 70 | 69 | 68 |
| Dewpoint (°F) | 69 | 69 | 68 | 69 | 71 | 72 | 73 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 66 |
| Heat Index (°F) | 75 | 78 | 88 | 91 | 93 | 95 | 93 | 90 | 87 | 79 | 77 | 75 | ||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wind Dir | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | SE | SE | SE | N | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 41 | 60 | 54 | 51 | 54 | 40 | 45 | 53 | 51 | 56 | 63 | 58 | 62 | 61 | 74 | 69 | 45 | 35 | 25 | 26 | 32 | 29 | 24 |
| Precipitation Potential (%) | 0 | 0 | 1 | 3 | 6 | 10 | 9 | 8 | 14 | 25 | 33 | 41 | 39 | 31 | 27 | 5 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 97 | 100 | 97 | 100 | 100 | 90 | 85 | 77 | 72 | 70 | 65 | 70 | 70 | 74 | 82 | 85 | 87 | 87 | 90 | 90 | 90 | 93 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/09 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 68 | 67 | 66 | 66 | 69 | 75 | 79 | 82 | 85 | 87 | 88 | 88 | 89 | 87 | 85 | 82 | 78 | 76 | 75 | 74 | 72 | 71 | 70 | 69 |
| Dewpoint (°F) | 66 | 66 | 65 | 66 | 68 | 69 | 70 | 70 | 71 | 70 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 65 |
| Heat Index (°F) | 75 | 79 | 86 | 90 | 92 | 94 | 94 | 94 | 92 | 90 | 86 | 78 | 76 | 75 | ||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 0 |
| Wind Dir | NE | NE | NE | NE | NE | N | N | N | N | NE | NE | NE | NE | E | SE | SE | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 21 | 26 | 21 | 21 | 26 | 21 | 29 | 45 | 48 | 30 | 19 | 14 | 9 | 7 | 22 | 1 | 18 | 34 | 31 | 29 | 26 | 25 | 24 |
| 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 (%) | 93 | 97 | 97 | 100 | 97 | 82 | 74 | 67 | 63 | 57 | 57 | 57 | 54 | 57 | 61 | 67 | 74 | 76 | 79 | 79 | 84 | 84 | 87 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
