| Point Forecast: West Chatham MA 41.68N 69.99W (Elev. 33 ft) |
Last Update: 3:46 am EDT May 22, 2024 |
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| Date | 05/22 | 05/23 | ||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 54 | 54 | 54 | 56 | 58 | 60 | 61 | 63 | 63 | 64 | 64 | 64 | 63 | 62 | 60 | 59 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 |
| Dewpoint (°F) | 52 | 52 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 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 | 20 | 21 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | ||||||||||||||
| Sky Cover (%) | 61 | 55 | 55 | 55 | 55 | 55 | 26 | 20 | 16 | 14 | 13 | 13 | 12 | 14 | 16 | 23 | 25 | 34 | 43 | 51 | 57 | 62 | 68 | 69 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 93 | 93 | 96 | 90 | 86 | 81 | 81 | 75 | 75 | 73 | 73 | 73 | 72 | 75 | 81 | 83 | 90 | 90 | 90 | 93 | 93 | 93 | 93 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/24 | |||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°F) | 56 | 55 | 56 | 57 | 58 | 60 | 61 | 63 | 64 | 64 | 64 | 64 | 64 | 63 | 62 | 60 | 59 | 58 | 59 | 59 | 58 | 58 | 57 | 57 |
| Dewpoint (°F) | 54 | 54 | 54 | 54 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 55 | 56 | 56 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 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 | 20 | 20 | 20 | 20 | 20 | 20 | ||||||||||||||||||
| Sky Cover (%) | 70 | 71 | 74 | 78 | 81 | 80 | 78 | 76 | 74 | 72 | 71 | 68 | 66 | 64 | 64 | 63 | 65 | 67 | 70 | 73 | 76 | 79 | 81 | 82 |
| Precipitation Potential (%) | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 10 | 11 | 13 | 19 | 26 | 29 | 29 | 28 | 28 | 31 | 34 | 37 | 38 |
| Relative Humidity (%) | 93 | 96 | 93 | 90 | 90 | 84 | 84 | 78 | 78 | 78 | 78 | 78 | 78 | 81 | 84 | 90 | 93 | 93 | 90 | 87 | 90 | 90 | 96 | 96 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
