| Point Forecast: 4 Miles SSE Knoxville TN 35.91N 83.92W (Elev. 320 m) |
Last Update: 10:57 pm EDT May 20, 2025 |
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| Date | 05/20 | 05/21 | ||||||||||||||||||||||
| 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 (°C) | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 20 | 19 | 20 | 20 | 21 | 22 | 23 | 24 | 24 | 24 | 26 | 24 | 24 | 23 | 22 | 20 | 19 |
| Dewpoint (°C) | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Heat Index (°C) | 24 | 24 | 24 | 26 | 24 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 10 | 9 | 8 | 7 |
| Wind Dir | W | SW | S | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 92 | 91 | 89 | 78 | 63 | 63 | 69 | 79 | 81 | 66 | 62 | 55 | 60 | 33 | 15 | 26 | 11 | 7 | 10 | 4 | 7 | 9 | 9 | 10 |
| Precipitation Potential (%) | 92 | 78 | 55 | 52 | 35 | 26 | 21 | 23 | 15 | 3 | 1 | 6 | 5 | 5 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 79 | 84 | 87 | 87 | 93 | 93 | 93 | 90 | 97 | 93 | 90 | 84 | 73 | 68 | 60 | 54 | 52 | 47 | 48 | 48 | 50 | 55 | 61 | 65 |
| Rain | Ocnl | Ocnl | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Lkly | Lkly | Lkly | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/22 | |||||||||||||||||||||||
| 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 (°C) | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 18 | 19 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 20 | 19 | 18 | 17 |
| Dewpoint (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 9 | 10 | 11 | 13 | 14 | 14 | 14 | 13 | 11 | 10 | 9 | 8 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 10 | 12 | 15 | 17 | 28 | 38 | 49 | 48 | 46 | 45 | 45 | 46 | 46 | 44 | 42 | 40 | 42 | 44 | 46 | 45 | 44 | 43 | 41 | 39 |
| Precipitation Potential (%) | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 15 | 15 | 15 | 15 | 35 | 35 | 35 | 35 | 35 | 35 | 20 | 20 | 20 |
| Relative Humidity (%) | 67 | 72 | 75 | 78 | 80 | 83 | 83 | 83 | 83 | 87 | 81 | 73 | 65 | 61 | 57 | 55 | 51 | 51 | 49 | 49 | 54 | 56 | 60 | 65 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
