| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 136 m) |
Last Update: 2:03 pm EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°C) | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 31 | 30 | 29 | 27 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 24 | 29 | 31 | 33 | 33 | 34 | 34 | 34 | 34 | 33 | 32 | 29 | |||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 90 | 87 | 88 | 85 | 90 | 76 | 90 | 90 | 88 | 82 | 77 | 63 | 49 | 29 | 19 | 22 | 31 | 30 | 37 | 34 | 23 | 17 | 18 | 13 |
| Precipitation Potential (%) | 25 | 22 | 24 | 20 | 23 | 25 | 23 | 25 | 22 | 17 | 14 | 15 | 11 | 9 | 6 | 7 | 9 | 17 | 16 | 12 | 6 | 3 | 3 | 1 |
| Relative Humidity (%) | 90 | 93 | 97 | 93 | 97 | 97 | 97 | 100 | 97 | 97 | 100 | 93 | 87 | 77 | 72 | 65 | 63 | 61 | 61 | 59 | 59 | 63 | 67 | 74 |
| Rain | Chc | SChc | SChc | SChc | SChc | Chc | SChc | Chc | SChc | SChc | -- | SChc | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Temperature (°C) | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 23 | 24 | 26 | 27 | 29 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 29 | 28 |
| Dewpoint (°C) | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 26 | 25 | 24 | 24 | 26 | 30 | 32 | 34 | 36 | 36 | 37 | 36 | 36 | 34 | 33 | 31 | ||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 |
| 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 (%) | 15 | 12 | 8 | 9 | 9 | 10 | 14 | 18 | 22 | 23 | 25 | 26 | 27 | 29 | 30 | 32 | 34 | 36 | 40 | 44 | 48 | 54 | 61 | 67 |
| Precipitation Potential (%) | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 9 | 10 | 11 | 12 | 13 | 14 | 14 | 15 | 16 |
| Relative Humidity (%) | 82 | 87 | 90 | 93 | 95 | 97 | 99 | 100 | 100 | 99 | 95 | 90 | 84 | 76 | 70 | 64 | 59 | 56 | 55 | 55 | 57 | 60 | 65 | 70 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
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