| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 446 ft) |
Last Update: 7:45 am EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 79 | 82 | 84 | 86 | 87 | 88 | 87 | 86 | 85 | 83 | 81 | 79 | 77 | 75 | 74 | 73 | 72 | 72 | 71 | 71 | 71 | 72 | 76 | 78 |
| Dewpoint (°F) | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 70 | 71 | 70 | 70 | 71 | 72 | 72 |
| Heat Index (°F) | 79 | 87 | 90 | 92 | 94 | 95 | 94 | 93 | 92 | 89 | 86 | 79 | 77 | 75 | 76 | 78 | ||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 |
| 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 (%) | 38 | 24 | 17 | 16 | 22 | 26 | 24 | 21 | 21 | 20 | 16 | 19 | 18 | 14 | 7 | 12 | 12 | 16 | 19 | 30 | 22 | 20 | 29 | 32 |
| Precipitation Potential (%) | 6 | 6 | 7 | 10 | 12 | 9 | 7 | 7 | 5 | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 3 |
| Relative Humidity (%) | 82 | 74 | 70 | 63 | 61 | 59 | 61 | 65 | 67 | 72 | 77 | 82 | 88 | 90 | 93 | 93 | 97 | 93 | 100 | 97 | 97 | 97 | 87 | 82 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 81 | 85 | 87 | 89 | 90 | 90 | 90 | 89 | 87 | 85 | 83 | 81 | 79 | 77 | 76 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 75 | 77 |
| Dewpoint (°F) | 72 | 73 | 73 | 72 | 72 | 72 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 74 |
| Heat Index (°F) | 86 | 92 | 95 | 97 | 97 | 97 | 97 | 95 | 94 | 92 | 89 | 86 | 79 | 77 | 76 | 75 | 75 | 75 | 77 | |||||
| Surface Wind (mph) | 3 | 6 | 6 | 7 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 31 | 29 | 26 | 24 | 21 | 28 | 34 | 41 | 47 | 54 | 60 | 62 | 63 | 65 | 67 | 70 | 72 | 75 | 79 | 82 | 79 | 77 | 74 | 72 |
| Precipitation Potential (%) | 5 | 7 | 8 | 9 | 11 | 12 | 13 | 15 | 15 | 16 | 17 | 17 | 18 | 19 | 21 | 23 | 24 | 26 | 28 | 30 | 33 | 37 | 41 | 44 |
| Relative Humidity (%) | 74 | 67 | 62 | 58 | 56 | 54 | 54 | 56 | 59 | 65 | 72 | 78 | 83 | 88 | 89 | 90 | 90 | 93 | 95 | 97 | 98 | 99 | 97 | 92 |
| Rain | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
