| Point Forecast: Portland ME 43.66N 70.27W (Elev. 7 ft) |
Last Update: 1:50 pm EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 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) | 70 | 70 | 68 | 68 | 69 | 69 | 68 | 69 | 69 | 69 | 69 | 68 | 67 | 67 | 69 | 70 | 71 | 73 | 75 | 76 | 77 | 77 | 77 | 77 |
| Dewpoint (°F) | 67 | 68 | 67 | 67 | 68 | 67 | 68 | 68 | 68 | 68 | 69 | 68 | 67 | 67 | 69 | 68 | 69 | 68 | 68 | 68 | 68 | 67 | 68 | 68 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 77 | 77 | ||||||||||||||||||
| Surface Wind (mph) | 9 | 8 | 6 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 7 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | W | W | SW | SE | SE | SE | SE | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 84 | 84 | 79 | 78 | 83 | 89 | 84 | 88 | 89 | 87 | 86 | 87 | 90 | 87 | 76 | 70 | 53 | 33 | 28 | 24 | 21 | 23 | 20 | 12 |
| Precipitation Potential (%) | 55 | 55 | 42 | 36 | 30 | 24 | 18 | 16 | 14 | 12 | 10 | 8 | 4 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 2 |
| Relative Humidity (%) | 90 | 93 | 97 | 97 | 97 | 93 | 100 | 97 | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 93 | 93 | 84 | 79 | 76 | 74 | 71 | 74 | 74 |
| Rain | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 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) | 77 | 76 | 74 | 73 | 72 | 71 | 70 | 69 | 69 | 68 | 68 | 67 | 67 | 68 | 69 | 70 | 72 | 74 | 76 | 77 | 77 | 78 | 78 | 77 |
| Dewpoint (°F) | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 68 |
| Heat Index (°F) | 77 | 76 | 76 | 77 | 77 | 78 | 78 | 77 | ||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 8 | 9 | 9 | 9 |
| Wind Dir | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 9 | 11 | 19 | 11 | 14 | 17 | 19 | 21 | 23 | 30 | 37 | 44 | 41 | 38 | 35 | 35 | 34 | 34 | 35 | 35 | 36 | 34 | 31 |
| Precipitation Potential (%) | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 |
| Relative Humidity (%) | 74 | 79 | 84 | 87 | 90 | 93 | 97 | 100 | 97 | 100 | 100 | 100 | 100 | 97 | 93 | 90 | 84 | 82 | 76 | 74 | 74 | 71 | 71 | 74 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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