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| Point Forecast: 3 Miles SSW White Horse Beach MA 41.9N 70.62W (Elev. 34 m) |
Last Update: 4:38 am EDT Aug 4, 2021 |
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| Date | 08/04 | 08/05 | ||||||||||||||||||||||
| 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 (°C) | 17 | 18 | 19 | 21 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 |
| Dewpoint (°C) | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 9 |
| Wind Dir | SW | S | S | S | S | SE | SE | SE | SE | SE | SE | E | E | E | E | E | E | E | E | E | E | E | SE | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 90 | 89 | 88 | 90 | 91 | 93 | 94 | 95 | 96 | 96 | 96 | 96 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 96 | 94 | 92 |
| Precipitation Potential (%) | 5 | 4 | 4 | 6 | 7 | 9 | 14 | 19 | 24 | 33 | 41 | 50 | 54 | 58 | 62 | 68 | 73 | 79 | 81 | 83 | 85 | 83 | 81 | 79 |
| Relative Humidity (%) | 93 | 93 | 84 | 78 | 76 | 73 | 71 | 71 | 73 | 76 | 81 | 84 | 87 | 87 | 90 | 90 | 97 | 97 | 97 | 100 | 97 | 93 | 97 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 08/06 | |||||||||||||||||||||||
| 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 (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Dewpoint (°C) | 19 | 19 | 19 | 20 | 20 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 9 | 11 | 13 | 14 | 15 | 14 | 11 | 10 | 9 | 9 | 8 | 7 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SE | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 93 | 95 | 96 | 95 | 94 | 93 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 86 | 82 | 77 | 74 | 71 | 68 | 65 | 63 | 60 |
| Precipitation Potential (%) | 73 | 68 | 63 | 54 | 44 | 35 | 39 | 42 | 46 | 38 | 30 | 22 | 26 | 31 | 39 | 40 | 41 | 42 | 39 | 35 | 32 | 28 | 24 | 20 |
| Relative Humidity (%) | 90 | 93 | 90 | 97 | 93 | 97 | 93 | 93 | 93 | 93 | 93 | 97 | 97 | 97 | 97 | 97 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Rain | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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