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| Point Forecast: Marlborough MA 42.36N 71.55W (Elev. 446 ft) |
Last Update: 7:03 am EDT Jun 23, 2021 |
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| Date | 06/23 | 06/24 | ||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 61 | 66 | 71 | 72 | 74 | 75 | 75 | 75 | 75 | 71 | 69 | 66 | 62 | 60 | 58 | 56 | 55 | 52 | 51 | 50 | 49 | 52 | 54 | 58 |
| Dewpoint (°F) | 44 | 43 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 43 | 45 | 47 | 48 | 48 | 49 | 46 | 46 | 46 | 46 | 45 | 45 | 47 | 49 | 50 |
| Heat Index (°F) | 75 | 75 | 75 | 75 | ||||||||||||||||||||
| Surface Wind (mph) | 7 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | W | W | W | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 5 | 5 | 4 | 6 | 7 | 9 | 9 | 15 | 12 | 9 | 7 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 (%) | 53 | 43 | 35 | 33 | 30 | 29 | 29 | 29 | 29 | 36 | 42 | 50 | 60 | 64 | 72 | 69 | 72 | 80 | 83 | 83 | 86 | 83 | 83 | 75 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/25 | |||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 63 | 68 | 72 | 74 | 76 | 78 | 78 | 78 | 78 | 76 | 72 | 67 | 64 | 62 | 60 | 58 | 57 | 56 | 55 | 54 | 54 | 55 | 57 | 60 |
| Dewpoint (°F) | 49 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 48 | 49 | 49 | 50 | 51 | 51 | 52 | 52 | 52 | 52 | 53 | 54 | 55 |
| Heat Index (°F) | 76 | 78 | 78 | 78 | 78 | 76 | ||||||||||||||||||
| Surface Wind (mph) | 3 | 5 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | E | E | E | NE | NE | NE | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 12 | 13 | 14 | 18 | 22 | 26 | 26 | 26 | 26 | 28 | 30 | 31 | 27 | 23 | 19 | 24 | 26 | 28 | 30 | 31 | 32 | 32 | 34 | 38 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 9 | 13 | 15 | 16 | 18 | 20 | 21 | 22 | 22 | 22 | 22 |
| Relative Humidity (%) | 60 | 49 | 41 | 38 | 34 | 32 | 32 | 32 | 32 | 34 | 41 | 50 | 58 | 62 | 69 | 77 | 80 | 86 | 90 | 93 | 93 | 93 | 90 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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