| Point Forecast: Nantucket Memorial Airport MA 41.27N 70.06W (Elev. 15 m) |
Last Update: 1:01 am EDT Apr 21, 2025 |
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| Date | 04/21 | 04/22 | ||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°C) | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 11 |
| Dewpoint (°C) | -2 | -2 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 6 | 7 | 7 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 |
| Wind Dir | N | N | NE | E | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 32 | 34 | 30 | 28 | 21 | 21 | 22 | 30 | 34 | 46 | 60 | 79 | 97 | 100 | 100 | 99 | 99 | 98 | 99 | 99 | 100 | 100 | 100 | 100 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 20 | 33 | 46 | 45 | 45 | 48 | 47 | 50 | 53 |
| Relative Humidity (%) | 47 | 46 | 44 | 42 | 42 | 44 | 44 | 50 | 50 | 58 | 63 | 70 | 73 | 73 | 76 | 79 | 79 | 83 | 86 | 86 | 86 | 89 | 89 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 04/23 | |||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°C) | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
| Dewpoint (°C) | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 11 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 100 | 100 | 100 | 96 | 91 | 87 | 80 | 74 | 68 | 65 | 63 | 60 | 61 | 61 | 62 | 59 | 55 | 52 | 50 | 48 | 46 | 43 | 41 | 38 |
| Precipitation Potential (%) | 43 | 33 | 23 | 17 | 10 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 |
| Relative Humidity (%) | 86 | 83 | 86 | 86 | 83 | 83 | 80 | 80 | 83 | 89 | 89 | 93 | 93 | 93 | 93 | 89 | 89 | 93 | 86 | 83 | 83 | 83 | 80 | 80 |
| Rain | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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