


Point Forecast: Portland International Jetport ME 43.65N 70.3W (Elev. 16 m) |
Last Update: 6:38 am EDT May 22, 2025 |
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Date | 05/22 | 05/23 | ||||||||||||||||||||||
Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
Temperature (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 7 |
Dewpoint (°C) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
Heat Index (°C) | ||||||||||||||||||||||||
Surface Wind (mph) | 17 | 18 | 20 | 21 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 18 | 18 | 17 | 16 |
Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | N | N |
Gust | 32 | 33 | 34 | 36 | 36 | 34 | 34 | 34 | 34 | 33 | 34 | 34 | 36 | 36 | 36 | 36 | 34 | 34 | 34 | 33 | 32 | |||
Sky Cover (%) | 91 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 93 | 94 | 96 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 97 | 97 | 96 | 96 | 95 | 95 |
Precipitation Potential (%) | 4 | 9 | 14 | 19 | 23 | 36 | 49 | 62 | 73 | 83 | 94 | 96 | 98 | 100 | 100 | 100 | 100 | 97 | 94 | 91 | 87 | 83 | 80 | 77 |
Relative Humidity (%) | 80 | 77 | 77 | 77 | 77 | 77 | 79 | 79 | 83 | 86 | 89 | 89 | 89 | 89 | 89 | 93 | 93 | 93 | 96 | 96 | 96 | 89 | 89 | 89 |
Rain | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Date | 05/24 | |||||||||||||||||||||||
Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
Temperature (°C) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 9 |
Dewpoint (°C) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
Heat Index (°C) | ||||||||||||||||||||||||
Surface Wind (mph) | 15 | 14 | 14 | 13 | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
Wind Dir | N | N | N | N | N | NW | NW | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW |
Gust | ||||||||||||||||||||||||
Sky Cover (%) | 94 | 94 | 93 | 92 | 92 | 91 | 89 | 88 | 87 | 85 | 83 | 83 | 82 | 82 | 84 | 86 | 88 | 88 | 89 | 89 | 88 | 87 | 86 | 84 |
Precipitation Potential (%) | 75 | 73 | 64 | 55 | 46 | 41 | 36 | 31 | 29 | 26 | 24 | 24 | 24 | 24 | 24 | 24 | 47 | 47 | 47 | 47 | 47 | 47 | 37 | 37 |
Relative Humidity (%) | 89 | 89 | 89 | 86 | 86 | 86 | 83 | 83 | 83 | 83 | 83 | 86 | 86 | 89 | 89 | 93 | 93 | 93 | 96 | 100 | 93 | 96 | 93 | 86 |
Rain | Ocnl | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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