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| Point Forecast: Portland TN 36.58N 86.53W (Elev. 810 ft) |
Last Update: 4:35 pm CDT May 5, 2021 |
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| Date | 05/05 | 05/06 | ||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 66 | 65 | 62 | 58 | 56 | 54 | 52 | 51 | 50 | 48 | 47 | 47 | 46 | 45 | 45 | 48 | 55 | 58 | 61 | 63 | 65 | 66 | 67 | 67 |
| Dewpoint (°F) | 45 | 45 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 41 | 41 | 42 | 43 | 44 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 8 | 8 |
| Wind Dir | NNW | N | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NE | ENE | E | E | ESE | SSE | SW | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 38 | 34 | 26 | 23 | 19 | 16 | 17 | 17 | 18 | 23 | 29 | 34 | 36 | 39 | 41 | 42 | 42 | 43 | 42 | 42 | 41 | 43 | 46 | 48 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 9 | 0 |
| Relative Humidity (%) | 47 | 48 | 52 | 59 | 62 | 66 | 69 | 71 | 71 | 77 | 76 | 76 | 79 | 82 | 82 | 74 | 57 | 51 | 46 | 44 | 41 | 42 | 42 | 43 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/07 | |||||||||||||||||||||||
| Hour (CDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°F) | 67 | 65 | 63 | 59 | 57 | 54 | 52 | 51 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 48 | 54 | 57 | 60 | 62 | 64 | 65 | 66 | 66 |
| Dewpoint (°F) | 45 | 46 | 47 | 47 | 48 | 48 | 47 | 47 | 46 | 45 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 39 | 40 | 40 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 11 | 13 | 13 | 13 |
| Wind Dir | W | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | WNW | NW | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | 20 | 20 | 20 | |||||||||||||||||||||
| Sky Cover (%) | 57 | 65 | 74 | 73 | 71 | 70 | 66 | 61 | 57 | 45 | 33 | 21 | 17 | 12 | 8 | 7 | 5 | 4 | 11 | 17 | 24 | 26 | 29 | 31 |
| Precipitation Potential (%) | 40 | 45 | 46 | 47 | 33 | 25 | 20 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Relative Humidity (%) | 45 | 50 | 56 | 64 | 72 | 80 | 83 | 86 | 89 | 89 | 86 | 86 | 89 | 89 | 93 | 80 | 61 | 55 | 47 | 44 | 40 | 40 | 38 | 40 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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