| Point Forecast: Boston MA 42.36N 71.07W (Elev. 13 ft) |
Last Update: 4:27 pm EDT May 16, 2025 |
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| Date | 05/16 | 05/17 | ||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 65 | 65 | 64 | 63 | 62 | 61 | 61 | 61 | 62 | 63 | 65 | 66 | 68 | 69 | 70 | 72 | 72 | 72 | 71 | 70 | 69 | 67 | 66 | 65 |
| Dewpoint (°F) | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 61 | 60 | 60 | 60 | 60 | 60 | 59 | 59 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 80 | 84 | 82 | 83 | 79 | 83 | 86 | 91 | 91 | 90 | 90 | 86 | 82 | 78 | 82 | 87 | 89 | 87 | 86 | 83 | 75 | 71 | 68 | 65 |
| Precipitation Potential (%) | 10 | 11 | 12 | 13 | 10 | 9 | 8 | 10 | 13 | 13 | 17 | 18 | 20 | 33 | 19 | 10 | 13 | 14 | 18 | 20 | 20 | 30 | 45 | 38 |
| Relative Humidity (%) | 81 | 81 | 84 | 87 | 90 | 93 | 93 | 93 | 90 | 87 | 81 | 78 | 76 | 73 | 71 | 66 | 68 | 66 | 68 | 71 | 73 | 78 | 78 | 81 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | SChc | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | -- | -- | -- | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/18 | |||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°F) | 65 | 64 | 64 | 64 | 63 | 62 | 62 | 61 | 61 | 62 | 64 | 65 | 67 | 68 | 69 | 70 | 70 | 70 | 70 | 69 | 68 | 66 | 64 | 63 |
| Dewpoint (°F) | 59 | 59 | 59 | 59 | 58 | 57 | 56 | 54 | 54 | 53 | 53 | 52 | 50 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 5 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 8 |
| Wind Dir | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 61 | 57 | 55 | 53 | 51 | 46 | 41 | 35 | 30 | 25 | 20 | 22 | 24 | 25 | 33 | 41 | 49 | 52 | 54 | 56 | 58 | 60 | 61 | 56 |
| Precipitation Potential (%) | 31 | 25 | 18 | 12 | 14 | 13 | 9 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 12 | 16 | 20 | 23 | 27 | 31 | 28 | 26 | 24 | 22 |
| Relative Humidity (%) | 81 | 84 | 84 | 84 | 84 | 84 | 81 | 78 | 78 | 72 | 70 | 63 | 54 | 51 | 49 | 49 | 49 | 49 | 49 | 51 | 52 | 56 | 60 | 62 |
| Rain | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
