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| Point Forecast: Somerville MA 42.39N 71.09W (Elev. 14 m) |
Last Update: 5:55 am EDT Apr 18, 2024 |
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| Date | 04/18 | 04/19 | ||||||||||||||||||||||
| 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) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Dewpoint (°C) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 10 | 10 | 11 | 13 | 13 | 14 | 13 | 13 | 11 | 10 | 8 | 7 | 6 | 5 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | E | E | E | E | E | E | E | E | E | E | E | E | E | NE | NE | E | E | E | NE | NE | NE | NE | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 91 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 95 | 95 | 96 | 98 | 98 | 98 | 97 | 91 | 92 | 87 | 83 | 78 | 78 | 78 | 79 | 75 |
| Precipitation Potential (%) | 9 | 12 | 16 | 20 | 24 | 28 | 23 | 18 | 25 | 31 | 30 | 28 | 26 | 24 | 18 | 13 | 7 | 6 | 4 | 3 | 3 | 2 | 2 | 1 |
| Relative Humidity (%) | 71 | 65 | 65 | 63 | 63 | 63 | 63 | 63 | 63 | 65 | 71 | 73 | 73 | 73 | 71 | 73 | 73 | 73 | 76 | 76 | 76 | 76 | 76 | 76 |
| Rain | -- | -- | SChc | SChc | SChc | Chc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 04/20 | |||||||||||||||||||||||
| 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) | 7 | 8 | 9 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Dewpoint (°C) | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 6 | 6 | 7 | 8 | 8 | 8 | 8 |
| Heat Index (°C) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 7 | 9 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
| Wind Dir | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | S | S | S | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 68 | 67 | 66 | 65 | 61 | 58 | 54 | 63 | 71 | 80 | 82 | 85 | 89 | 87 | 85 | 83 | 85 | 86 | 87 | 88 | 89 | 90 | 87 |
| Precipitation Potential (%) | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 6 | 8 | 10 | 12 | 26 | 26 | 31 | 31 | 30 | 29 | 28 |
| Relative Humidity (%) | 73 | 65 | 63 | 58 | 56 | 52 | 50 | 52 | 50 | 54 | 59 | 59 | 61 | 63 | 66 | 71 | 74 | 80 | 83 | 89 | 93 | 93 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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