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| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 446 ft) |
Last Update: 10:10 am EDT Jul 28, 2021 |
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| Date | 07/28 | 07/29 | ||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 67 | 70 | 72 | 73 | 73 | 73 | 71 | 69 | 67 | 65 | 64 | 62 | 62 | 61 | 60 | 60 | 59 | 59 | 59 | 61 | 63 | 66 | 69 | 71 |
| Dewpoint (°F) | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 59 | 59 | 59 | 58 | 58 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 7 |
| Wind Dir | N | NE | NE | NE | E | E | E | E | SE | SE | S | SW | SW | S | S | S | S | SW | SW | SW | SW | SW | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 72 | 72 | 65 | 58 | 51 | 41 | 32 | 23 | 22 | 22 | 22 | 26 | 30 | 34 | 37 | 39 | 42 | 46 | 50 | 54 | 56 | 59 | 62 |
| Precipitation Potential (%) | 21 | 9 | 8 | 8 | 7 | 7 | 7 | 3 | 2 | 2 | 3 | 3 | 4 | 6 | 7 | 6 | 5 | 3 | 2 | 1 | 5 | 8 | 12 | 15 |
| Relative Humidity (%) | 75 | 68 | 64 | 62 | 59 | 59 | 63 | 68 | 73 | 75 | 78 | 84 | 84 | 87 | 90 | 90 | 93 | 93 | 96 | 93 | 87 | 78 | 68 | 63 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/30 | |||||||||||||||||||||||
| Hour (EDT) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
| Temperature (°F) | 73 | 74 | 74 | 74 | 74 | 73 | 71 | 69 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 67 | 68 | 70 | 72 |
| Dewpoint (°F) | 58 | 58 | 58 | 58 | 58 | 57 | 58 | 59 | 61 | 61 | 62 | 63 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 10 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | W | W | W | W | W |
| Gust | 20 | 20 | 20 | 20 | ||||||||||||||||||||
| Sky Cover (%) | 64 | 67 | 69 | 71 | 73 | 76 | 78 | 80 | 82 | 80 | 78 | 76 | 76 | 77 | 77 | 75 | 73 | 71 | 65 | 58 | 51 | 44 | 36 | 28 |
| Precipitation Potential (%) | 15 | 14 | 14 | 17 | 19 | 22 | 30 | 38 | 50 | 50 | 50 | 48 | 45 | 42 | 40 | 32 | 25 | 18 | 21 | 24 | 27 | 24 | 21 | 18 |
| Relative Humidity (%) | 59 | 57 | 57 | 57 | 57 | 57 | 63 | 70 | 81 | 87 | 90 | 93 | 97 | 97 | 97 | 97 | 100 | 100 | 100 | 97 | 93 | 90 | 81 | 76 |
| Rain | SChc | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
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