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| Point Forecast: Portland ME 43.66N 70.27W (Elev. 2 m) |
Last Update: 2:49 pm EDT Sep 30, 2023 |
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| Date | 09/30 | 10/01 | ||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°C) | 17 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 13 | 16 | 18 | 20 | 21 | 22 | 23 |
| Dewpoint (°C) | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 |
| Wind Chill (°C) | ||||||||||||||||||||||||
| Surface Wind (km/h) | 10 | 10 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | SE | SE | SE | SE | SE | SE | E | N | N | N | N | N | NW | NW | NW | NW | N | N | N | N | N | N | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 46 | 42 | 39 | 35 | 31 | 29 | 28 | 27 | 28 | 29 | 30 | 32 | 33 | 35 | 36 | 37 | 38 | 35 | 33 | 30 | 25 | 21 | 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 (%) | 78 | 81 | 81 | 81 | 80 | 83 | 86 | 90 | 90 | 90 | 93 | 90 | 93 | 93 | 96 | 100 | 96 | 90 | 78 | 68 | 61 | 59 | 57 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/02 | |||||||||||||||||||||||
| Hour (EDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°C) | 23 | 23 | 22 | 21 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 21 |
| Dewpoint (°C) | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
| Wind Chill (°C) | ||||||||||||||||||||||||
| Surface Wind (km/h) | 8 | 8 | 5 | 5 | 5 | 3 | 5 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 13 | 13 | 11 | 10 | 8 | 5 |
| Wind Dir | NE | E | E | SE | SW | W | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 15 | 14 | 13 | 14 | 16 | 18 | 23 | 27 | 32 | 27 | 23 | 18 | 16 | 13 | 11 | 9 | 6 | 4 | 4 | 4 | 4 | 3 | 3 | 2 |
| 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 (%) | 53 | 53 | 57 | 63 | 73 | 78 | 81 | 78 | 78 | 78 | 81 | 84 | 87 | 90 | 96 | 96 | 96 | 83 | 78 | 70 | 65 | 63 | 57 | 55 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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