| Point Forecast: Brookline MA 42.33N 71.14W (Elev. 190 ft) |
Last Update: 6:31 pm EDT Apr 18, 2026 |
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| Date | 04/18 | 04/19 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 46 | 46 | 46 | 46 | 47 | 46 | 48 | 48 | 48 | 49 | 50 | 53 | 53 | 55 | 54 | 54 | 52 | 48 | 46 | 46 | 45 | 44 | 43 | 42 |
| Dewpoint (°F) | 41 | 42 | 42 | 42 | 43 | 44 | 44 | 44 | 45 | 47 | 47 | 48 | 49 | 49 | 49 | 48 | 45 | 42 | 40 | 37 | 37 | 36 | 35 | 34 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 10 | 11 | 13 | 13 | 13 | 11 | 11 | 10 | 9 | 9 |
| Wind Dir | E | E | E | SE | S | S | S | S | S | S | S | S | S | W | NW | NW | NW | NW | NW | NW | NW | NW | W | W |
| Gust | 20 | 23 | 24 | 24 | 25 | 23 | 22 | 20 | ||||||||||||||||
| Sky Cover (%) | 91 | 90 | 88 | 90 | 92 | 94 | 96 | 95 | 94 | 94 | 92 | 93 | 94 | 92 | 96 | 100 | 100 | 94 | 93 | 87 | 81 | 75 | 56 | 40 |
| Precipitation Potential (%) | 1 | 1 | 2 | 3 | 5 | 9 | 13 | 15 | 20 | 28 | 42 | 61 | 73 | 80 | 86 | 100 | 100 | 84 | 60 | 42 | 25 | 8 | 7 | 7 |
| Relative Humidity (%) | 83 | 86 | 86 | 86 | 86 | 93 | 86 | 86 | 89 | 93 | 89 | 83 | 86 | 80 | 83 | 80 | 77 | 80 | 79 | 71 | 73 | 73 | 73 | 73 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Chc | SChc | SChc | Chc | Chc | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Chc | Chc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 04/20 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 41 | 40 | 40 | 39 | 38 | 38 | 38 | 38 | 39 | 40 | 42 | 45 | 47 | 48 | 49 | 49 | 50 | 49 | 49 | 47 | 45 | 43 | 42 | 41 |
| Dewpoint (°F) | 32 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 24 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 23 | 18 | 14 | 10 | 10 | 11 | 11 | 20 | 28 | 37 | 39 | 40 | 42 | 50 | 57 | 65 | 66 | 67 | 68 | 65 | 63 | 60 | 57 | 54 |
| Precipitation Potential (%) | 7 | 7 | 7 | 7 | 5 | 3 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 15 | 17 | 18 | 20 | 18 | 16 | 9 | 8 | 7 |
| Relative Humidity (%) | 70 | 70 | 67 | 70 | 70 | 70 | 70 | 70 | 70 | 67 | 60 | 51 | 45 | 42 | 39 | 37 | 34 | 36 | 36 | 40 | 43 | 49 | 51 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
