| Point Forecast: Yarmouth MA 41.69N 70.22W (Elev. 33 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 | 74 | 75 | 77 | 78 | 79 | 80 | 81 | 81 | 81 | 80 | 80 | 77 | 75 | 74 | 73 | 72 | 72 | 71 | 71 | 71 | 71 | 71 |
| Dewpoint (°F) | 71 | 72 | 72 | 74 | 74 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 72 | 71 | 71 | 71 | 71 | 70 | 71 | 71 | 71 | 71 |
| Heat Index (°F) | 75 | 77 | 78 | 79 | 85 | 86 | 86 | 86 | 85 | 85 | 77 | 75 | ||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 6 | 5 | 5 | 5 |
| 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 (%) | 89 | 78 | 81 | 79 | 70 | 65 | 69 | 57 | 49 | 43 | 40 | 39 | 18 | 31 | 46 | 67 | 54 | 66 | 58 | 70 | 71 | 69 | 72 | 76 |
| Precipitation Potential (%) | 38 | 36 | 23 | 17 | 12 | 8 | 5 | 6 | 5 | 4 | 5 | 5 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 100 | 100 | 93 | 97 | 90 | 91 | 88 | 82 | 79 | 79 | 79 | 82 | 82 | 88 | 90 | 90 | 93 | 97 | 97 | 97 | 100 | 100 | 100 | 100 |
| Rain | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | 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 | 75 | 77 | 79 | 81 | 82 | 83 | 83 | 83 | 82 | 81 | 79 | 78 | 76 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 72 |
| Dewpoint (°F) | 71 | 72 | 73 | 73 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 75 | 77 | 83 | 87 | 89 | 90 | 90 | 90 | 89 | 87 | 84 | 78 | 76 | 75 | ||||||||||
| Surface Wind (mph) | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
| Wind Dir | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 82 | 67 | 71 | 65 | 55 | 44 | 40 | 35 | 31 | 34 | 37 | 40 | 47 | 55 | 62 | 68 | 75 | 81 | 84 | 87 | 90 | 90 | 90 | 90 |
| Precipitation Potential (%) | 3 | 3 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 6 | 9 | 12 | 15 | 18 | 20 |
| Relative Humidity (%) | 100 | 100 | 94 | 88 | 84 | 82 | 80 | 78 | 77 | 78 | 80 | 82 | 85 | 88 | 90 | 93 | 95 | 97 | 97 | 97 | 97 | 98 | 99 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
