| Point Forecast: Boston MA 42.36N 71.07W (Elev. 13 ft) |
Last Update: 5:25 pm EDT Aug 10, 2026 |
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| Date | 08/11 | 08/12 | ||||||||||||||||||||||
| Hour (EDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 75 | 74 | 74 | 73 | 72 | 74 | 76 | 78 | 82 | 84 | 86 | 87 | 87 | 88 | 88 | 89 | 87 | 86 | 83 | 80 | 78 | 77 | 76 | 74 |
| Dewpoint (°F) | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 65 | 64 | 63 | 62 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 60 | 59 | 59 | 59 |
| Heat Index (°F) | 75 | 76 | 78 | 85 | 86 | 87 | 88 | 87 | 88 | 88 | 89 | 87 | 85 | 83 | 81 | 78 | 77 | 76 | ||||||
| Surface Wind (mph) | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 6 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 24 | 22 | 12 | 11 | 5 | 5 | 9 | 9 | 26 | 7 | 24 | 21 | 24 | 31 | 26 | 9 | 19 | 22 | 32 | 29 | 17 | 30 | 35 |
| Precipitation Potential (%) | 10 | 8 | 6 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 76 | 79 | 79 | 81 | 84 | 79 | 74 | 69 | 61 | 53 | 48 | 45 | 43 | 41 | 41 | 38 | 40 | 40 | 44 | 49 | 54 | 54 | 56 | 59 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/13 | |||||||||||||||||||||||
| Hour (EDT) | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 |
| Temperature (°F) | 73 | 71 | 70 | 69 | 68 | 69 | 72 | 74 | 77 | 80 | 82 | 83 | 83 | 84 | 84 | 83 | 82 | 81 | 79 | 78 | 76 | 75 | 73 | 72 |
| Dewpoint (°F) | 59 | 59 | 58 | 58 | 58 | 59 | 60 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 |
| Heat Index (°F) | 77 | 81 | 82 | 83 | 83 | 84 | 84 | 83 | 82 | 81 | 79 | 78 | 76 | 75 | ||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | NE | E | SE | S | S | S | SW | SW | SW | SW | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 32 | 33 | 42 | 39 | 41 | 44 | 34 | 0 | 5 | 9 | 12 | 16 | 19 | 18 | 18 | 17 | 22 | 26 | 31 | 27 | 24 | 20 | 23 | 25 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 62 | 66 | 66 | 68 | 70 | 70 | 66 | 59 | 54 | 49 | 46 | 43 | 43 | 41 | 43 | 44 | 46 | 47 | 50 | 52 | 58 | 60 | 64 | 66 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
