| Point Forecast: 5 Miles W Nantucket MA 41.29N 70.2W (Elev. 0 ft) |
Last Update: 3:27 pm EDT Jul 15, 2025 |
 |
|
[show menu] |
| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 72 | 72 | 72 | 72 | 71 | 72 | 71 | 71 | 72 | 73 | 76 | 77 | 77 | 77 | 78 | 78 | 79 | 78 | 77 | 77 | 77 | 76 | 75 | 75 |
| Dewpoint (°F) | 71 | 71 | 72 | 72 | 71 | 72 | 71 | 71 | 72 | 73 | 73 | 74 | 74 | 73 | 74 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 73 |
| Heat Index (°F) | 76 | 77 | 77 | 77 | 78 | 78 | 79 | 78 | 77 | 77 | 77 | 76 | 75 | 75 | ||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 (%) | 92 | 95 | 96 | 97 | 98 | 95 | 92 | 89 | 78 | 67 | 63 | 57 | 51 | 50 | 49 | 48 | 50 | 53 | 55 | 60 | 64 | 78 | 76 | 73 |
| Precipitation Potential (%) | 1 | 1 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 3 |
| Relative Humidity (%) | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 90 | 90 | 90 | 87 | 88 | 91 | 88 | 91 | 94 | 90 | 90 | 90 | 94 | 94 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 75 | 75 | 76 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 76 | 75 | 74 | 74 | 74 |
| Dewpoint (°F) | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 73 |
| Heat Index (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 77 | 78 | 78 | 78 | 78 | 78 | 77 | 76 | 75 | ||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
| 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 (%) | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 77 | 74 | 71 | 68 | 64 | 61 | 60 | 60 | 59 | 59 | 60 | 60 | 57 | 54 |
| Precipitation Potential (%) | 4 | 6 | 8 | 9 | 11 | 13 | 15 | 16 | 18 | 19 | 21 | 22 | 23 | 22 | 20 | 18 | 17 | 15 | 13 | 15 | 17 | 18 | 20 | 22 |
| Relative Humidity (%) | 94 | 94 | 94 | 94 | 97 | 93 | 93 | 93 | 94 | 97 | 94 | 92 | 90 | 90 | 90 | 91 | 91 | 92 | 94 | 96 | 98 | 100 | 100 | 98 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
