| Point Forecast: West Groton MA 42.59N 71.64W (Elev. 96 m) |
Last Update: 2:17 am EDT Oct 11, 2026 |
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| Date | 10/11 | 10/12 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 4 | 5 | 8 | 12 | 13 | 15 | 16 | 16 | 16 | 16 | 14 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 11 | 11 |
| Dewpoint (°C) | 4 | 6 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 11 | 11 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 0 | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Wind Dir | N | W | S | S | S | S | S | S | S | S | SE | SE | E | E | E | NE | NE | NE | NE | NE | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 70 | 75 | 78 | 87 | 93 | 92 | 93 | 93 | 91 | 94 | 93 | 89 | 95 | 97 | 97 | 99 | 97 | 95 | 95 | 96 | 96 | 96 | 97 |
| Precipitation Potential (%) | 0 | 2 | 3 | 4 | 6 | 6 | 5 | 11 | 15 | 21 | 38 | 60 | 72 | 92 | 95 | 95 | 98 | 95 | 89 | 73 | 60 | 39 | 22 | 18 |
| Relative Humidity (%) | 100 | 100 | 96 | 83 | 76 | 70 | 68 | 62 | 66 | 67 | 75 | 80 | 90 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Chc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 10/13 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°C) | 11 | 11 | 12 | 14 | 16 | 18 | 19 | 21 | 21 | 21 | 20 | 18 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 9 |
| Dewpoint (°C) | 11 | 11 | 12 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 9 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Wind Dir | N | N | N | N | N | N | N | N | N | NW | NW | NW | NW | NW | N | N | N | N | NE | NE | NE | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 92 | 91 | 75 | 34 | 30 | 33 | 14 | 25 | 15 | 5 | 2 | 0 | 3 | 10 | 15 | 26 | 37 | 41 | 46 | 50 | 60 | 69 | 79 | 81 |
| Precipitation Potential (%) | 14 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 3 | 6 | 7 | 8 | 9 | 10 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 90 | 83 | 76 | 70 | 69 | 69 | 75 | 78 | 87 | 90 | 93 | 95 | 96 | 97 | 96 | 96 | 98 | 100 | 100 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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