| Point Forecast: 5 Miles W Nantucket MA 41.29N 70.2W (Elev. 0 ft) |
Last Update: 1:16 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 71 | 72 | 73 | 74 | 75 | 76 | 76 | 76 | 76 | 77 | 76 | 76 | 75 | 74 | 72 | 72 | 72 | 72 | 72 | 71 | 72 | 71 | 71 | 71 |
| Dewpoint (°F) | 71 | 71 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 75 | 76 | 76 | 76 | 76 | 77 | 76 | 76 | 75 | |||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 88 | 80 | 77 | 75 | 70 | 72 | 70 | 64 | 65 | 63 | 63 | 56 | 63 | 63 | 74 | 66 | 68 | 65 | 71 | 69 | 70 | 74 | 76 | 82 |
| Precipitation Potential (%) | 28 | 32 | 24 | 20 | 20 | 15 | 9 | 8 | 7 | 5 | 6 | 5 | 5 | 5 | 6 | 5 | 5 | 6 | 6 | 6 | 8 | 7 | 7 | 5 |
| Relative Humidity (%) | 100 | 97 | 97 | 97 | 94 | 90 | 90 | 90 | 90 | 90 | 94 | 94 | 94 | 97 | 100 | 100 | 100 | 97 | 97 | 100 | 97 | 100 | 100 | 100 |
| Rain | Chc | Chc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°F) | 71 | 72 | 73 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 |
| Dewpoint (°F) | 71 | 72 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 | 75 | |||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 83 | 69 | 68 | 64 | 58 | 51 | 50 | 50 | 49 | 51 | 54 | 56 | 60 | 65 | 69 | 73 | 76 | 80 | 82 | 85 | 87 | 89 | 90 | 92 |
| Precipitation Potential (%) | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 7 | 10 | 13 | 17 | 20 | 23 |
| Relative Humidity (%) | 100 | 100 | 100 | 94 | 92 | 94 | 93 | 91 | 90 | 91 | 92 | 94 | 96 | 98 | 100 | 99 | 98 | 97 | 96 | 96 | 97 | 98 | 99 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
