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| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 136 m) |
Last Update: 6:57 pm EDT Aug 2, 2021 |
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| Date | 08/02 | 08/03 | ||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 22 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 18 | 20 | 22 | 23 | 24 | 24 | 25 | 25 | 25 | 24 | 23 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 24 | 24 | 25 | 25 | 25 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | NW | NW | NW | W | W | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 11 | 9 | 7 | 5 | 7 | 9 | 11 | 14 | 17 | 20 | 24 | 27 | 31 | 36 | 41 | 47 | 52 | 58 | 64 | 63 | 62 | 61 | 59 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 63 | 73 | 78 | 81 | 81 | 84 | 84 | 87 | 86 | 90 | 86 | 83 | 81 | 73 | 68 | 61 | 57 | 54 | 52 | 50 | 50 | 50 | 54 | 57 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/04 | |||||||||||||||||||||||
| Hour (EDT) | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Temperature (°C) | 22 | 21 | 19 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 21 | 22 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 23 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 25 | 24 | |||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | NW | N | NE | NE | E | E | SE | SE | SE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 55 | 56 | 57 | 58 | 58 | 57 | 57 | 56 | 54 | 53 | 63 | 73 | 83 | 55 | 49 | 43 | 50 | 57 | 64 | 65 | 65 | 65 | 61 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 4 | 4 | 5 | 7 | 9 | 12 | 14 | 14 | 14 | 14 | 12 |
| Relative Humidity (%) | 61 | 68 | 70 | 75 | 78 | 81 | 81 | 81 | 81 | 81 | 75 | 75 | 78 | 75 | 70 | 64 | 58 | 54 | 52 | 52 | 52 | 56 | 58 | 62 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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