| Point Forecast: Johnson City TN 36.32N 82.37W (Elev. 518 m) |
Last Update: 7:56 am EDT Sep 6, 2026 |
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| Date | 09/06 | 09/07 | ||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 21 | 21 | 24 | 26 | 28 | 29 | 29 | 31 | 29 | 29 | 28 | 27 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 |
| Dewpoint (°C) | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 |
| Heat Index (°C) | 24 | 26 | 31 | 32 | 32 | 34 | 32 | 31 | 31 | 28 | 24 | |||||||||||||
| Surface Wind (mph) | 0 | 0 | 1 | 2 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Wind Dir | S | SW | SW | W | W | W | NW | N | N | N | NE | NE | NE | NE | NE | E | E | E | E | E | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 41 | 48 | 56 | 58 | 46 | 47 | 48 | 42 | 39 | 50 | 41 | 38 | 54 | 48 | 39 | 48 | 52 | 51 | 35 | 45 | 43 | 42 | 40 |
| Precipitation Potential (%) | 51 | 50 | 34 | 27 | 35 | 37 | 39 | 40 | 36 | 33 | 29 | 28 | 26 | 22 | 18 | 15 | 7 | 6 | 5 | 2 | 2 | 2 | 2 | 1 |
| Relative Humidity (%) | 97 | 97 | 87 | 79 | 72 | 67 | 63 | 59 | 61 | 63 | 65 | 72 | 82 | 84 | 87 | 90 | 90 | 93 | 90 | 93 | 93 | 93 | 93 | 93 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/08 | |||||||||||||||||||||||
| Hour (EDT) | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
| Temperature (°C) | 19 | 20 | 23 | 24 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 26 | 24 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 17 |
| Dewpoint (°C) | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 26 | 24 | ||||||||||||||
| Surface Wind (mph) | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 5 |
| Wind Dir | E | E | E | E | E | E | E | SE | SE | SE | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 34 | 35 | 44 | 58 | 51 | 55 | 50 | 65 | 64 | 56 | 67 | 49 | 40 | 67 | 42 | 16 | 14 | 13 | 11 | 13 | 14 | 16 | 14 | 13 |
| Precipitation Potential (%) | 1 | 5 | 2 | 1 | 1 | 12 | 22 | 22 | 22 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 93 | 90 | 79 | 71 | 67 | 60 | 58 | 56 | 55 | 56 | 58 | 60 | 69 | 76 | 81 | 81 | 81 | 84 | 84 | 87 | 90 | 90 | 93 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
