| Point Forecast: Portland ME 43.66N 70.27W (Elev. 7 ft) |
Last Update: 10:09 am EDT Jun 18, 2024 |
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| Date | 06/18 | 06/19 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 76 | 78 | 79 | 79 | 78 | 78 | 77 | 75 | 73 | 73 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 71 | 73 | 74 | 77 | 79 | 82 |
| Dewpoint (°F) | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 67 | 67 | 68 | 68 |
| Heat Index (°F) | 76 | 78 | 79 | 79 | 78 | 78 | 77 | 75 | 77 | 79 | 85 | |||||||||||||
| Surface Wind (mph) | 7 | 8 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 |
| Wind Dir | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 40 | 51 | 51 | 51 | 52 | 52 | 54 | 56 | 58 | 54 | 50 | 46 | 40 | 34 | 29 | 27 | 25 | 23 | 21 | 19 | 16 | 15 | 13 | 12 |
| Precipitation Potential (%) | 2 | 0 | 4 | 4 | 5 | 5 | 7 | 8 | 10 | 8 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 69 | 67 | 64 | 64 | 67 | 67 | 67 | 71 | 76 | 76 | 79 | 81 | 81 | 81 | 84 | 84 | 87 | 87 | 84 | 81 | 79 | 71 | 69 | 63 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/20 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 83 | 83 | 84 | 84 | 84 | 83 | 82 | 80 | 78 | 77 | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 75 | 76 | 77 | 79 | 82 | 84 |
| Dewpoint (°F) | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 68 |
| Heat Index (°F) | 86 | 86 | 87 | 87 | 87 | 86 | 85 | 82 | 78 | 77 | 76 | 75 | 75 | 75 | 76 | 77 | 79 | 85 | 87 | |||||
| Surface Wind (mph) | 8 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Wind Dir | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | 20 | 22 | 22 | 20 | 20 | 20 | ||||||||||||||||||
| Sky Cover (%) | 14 | 16 | 18 | 20 | 23 | 25 | 30 | 34 | 39 | 34 | 34 | 34 | 34 | 33 | 33 | 35 | 36 | 38 | 38 | 39 | 39 | 39 | 38 | 38 |
| Precipitation Potential (%) | 2 | 4 | 6 | 9 | 13 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 61 | 61 | 59 | 57 | 57 | 59 | 61 | 65 | 69 | 71 | 71 | 74 | 74 | 76 | 76 | 76 | 76 | 76 | 76 | 74 | 71 | 69 | 63 | 59 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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