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| Point Forecast: Marthas Vineyard Airport MA 41.39N 70.62W (Elev. 59 ft) |
Last Update: 1:22 pm EDT Sep 27, 2022 |
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| Date | 09/27 | 09/28 | ||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 73 | 72 | 71 | 70 | 68 | 66 | 64 | 61 | 61 | 60 | 60 | 59 | 59 | 58 | 57 | 56 | 57 | 58 | 61 | 63 | 65 | 67 | 68 | 69 |
| Dewpoint (°F) | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 50 | 50 | 51 | 53 | 53 | 52 | 52 | 51 | 51 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 13 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 11 | 11 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | 22 | 21 | 21 | 20 | 20 | |||||||||||||||||||
| Sky Cover (%) | 15 | 11 | 7 | 3 | 2 | 2 | 1 | 2 | 4 | 5 | 7 | 8 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 11 |
| Precipitation Potential (%) | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
| Relative Humidity (%) | 55 | 57 | 59 | 59 | 63 | 65 | 70 | 75 | 75 | 75 | 75 | 75 | 75 | 77 | 80 | 80 | 77 | 77 | 75 | 70 | 63 | 59 | 54 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/29 | |||||||||||||||||||||||
| Hour (EDT) | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 |
| Temperature (°F) | 70 | 70 | 69 | 67 | 66 | 64 | 62 | 61 | 60 | 59 | 58 | 58 | 57 | 56 | 55 | 55 | 56 | 57 | 59 | 61 | 63 | 65 | 66 | 66 |
| Dewpoint (°F) | 50 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 53 | 53 | 54 | 54 | 53 | 53 | 53 | 52 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 11 | 11 | 10 | 10 | 9 | 8 | 6 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 11 | 13 | 13 | 14 | 14 | 13 |
| Wind Dir | W | W | W | W | W | W | W | W | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 19 | 23 | 28 | 33 | 37 | 42 | 44 | 47 | 50 | 50 | 49 | 49 | 47 | 45 | 43 | 45 | 47 | 36 | 36 | 37 | 37 | 39 | 41 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 49 | 51 | 53 | 59 | 61 | 67 | 72 | 75 | 78 | 80 | 83 | 83 | 86 | 86 | 90 | 90 | 90 | 86 | 83 | 78 | 70 | 65 | 63 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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