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| Point Forecast: Somerville MA 42.39N 71.09W (Elev. 46 ft) |
Last Update: 3:40 pm EDT Jun 15, 2021 |
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| Date | 06/15 | 06/16 | ||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 78 | 77 | 76 | 74 | 72 | 69 | 67 | 65 | 64 | 64 | 63 | 62 | 61 | 61 | 60 | 62 | 64 | 67 | 68 | 71 | 72 | 74 | 75 | 75 |
| Dewpoint (°F) | 63 | 64 | 63 | 63 | 62 | 62 | 61 | 60 | 59 | 59 | 58 | 57 | 55 | 55 | 54 | 54 | 53 | 52 | 51 | 50 | 47 | 45 | 43 | 43 |
| Heat Index (°F) | 78 | 77 | 76 | 75 | 75 | |||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 |
| Wind Dir | S | S | S | SW | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 79 | 70 | 65 | 61 | 79 | 77 | 67 | 66 | 54 | 42 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 17 | 16 | 14 | 15 |
| Precipitation Potential (%) | 31 | 30 | 27 | 23 | 20 | 14 | 8 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 4 |
| Relative Humidity (%) | 60 | 64 | 64 | 69 | 71 | 78 | 81 | 84 | 84 | 84 | 84 | 84 | 81 | 81 | 81 | 75 | 67 | 59 | 54 | 47 | 41 | 35 | 32 | 32 |
| Rain | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/17 | |||||||||||||||||||||||
| Hour (EDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 75 | 74 | 73 | 71 | 69 | 67 | 66 | 64 | 62 | 62 | 60 | 58 | 56 | 56 | 57 | 60 | 63 | 67 | 70 | 73 | 75 | 76 | 77 | 77 |
| Dewpoint (°F) | 43 | 44 | 45 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 45 | 45 | 45 | 48 | 47 | 46 | 45 | 45 | 44 | 44 | 44 |
| Heat Index (°F) | 75 | 75 | 76 | 77 | 77 | |||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | NW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 16 | 16 | 14 | 12 | 10 | 12 | 14 | 16 | 13 | 9 | 6 | 6 | 5 | 5 | 4 | 2 | 11 | 12 | 12 | 13 | 15 | 18 | 21 | 19 |
| Precipitation Potential (%) | 4 | 4 | 3 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 32 | 34 | 37 | 41 | 45 | 49 | 50 | 54 | 58 | 58 | 62 | 64 | 69 | 66 | 64 | 58 | 58 | 49 | 42 | 37 | 34 | 32 | 31 | 31 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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