| Point Forecast: Boston, Logan International Airport MA 42.38N 71.01W (Elev. 3 ft) |
Last Update: 6:05 pm EDT Jul 13, 2025 |
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| Date | 07/14 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 70 | 72 | 74 | 76 | 78 | 80 | 81 | 81 | 81 | 80 | 81 | 81 | 80 | 79 | 77 | 76 | 75 |
| Dewpoint (°F) | 67 | 67 | 67 | 66 | 66 | 66 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 70 | 70 | 71 | 70 | 70 | 71 | 71 | 71 |
| Heat Index (°F) | 76 | 78 | 83 | 85 | 85 | 85 | 83 | 85 | 85 | 83 | 79 | 77 | 76 | 75 | ||||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 6 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE | S | S | S | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 95 | 91 | 93 | 94 | 93 | 93 | 94 | 94 | 83 | 78 | 61 | 57 | 52 | 57 | 59 | 51 | 45 | 59 | 48 | 50 | 57 | 77 | 81 | 84 |
| Precipitation Potential (%) | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 5 | 4 | 3 | 8 | 12 | 16 | 19 | 22 | 25 | 27 | 29 | 31 | 28 | 25 | 23 |
| Relative Humidity (%) | 90 | 93 | 93 | 90 | 93 | 93 | 97 | 93 | 87 | 84 | 79 | 76 | 72 | 69 | 72 | 72 | 72 | 69 | 72 | 72 | 74 | 82 | 85 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc |
| Date | 07/15 | |||||||||||||||||||||||
| Hour (EDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 74 | 74 | 73 | 72 | 72 | 72 | 73 | 74 | 76 | 78 | 80 | 82 | 83 | 84 | 85 | 85 | 85 | 84 | 83 | 82 | 81 | 79 | 78 | 76 |
| Dewpoint (°F) | 71 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 |
| Heat Index (°F) | 76 | 78 | 84 | 87 | 90 | 91 | 92 | 92 | 91 | 90 | 89 | 87 | 85 | 83 | 78 | 76 | ||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 82 | 81 | 81 | 82 | 82 | 81 | 79 | 77 | 75 | 65 | 59 | 52 | 49 | 45 | 42 | 40 | 37 | 35 | 34 | 33 | 32 | 31 | 31 | 30 |
| Precipitation Potential (%) | 21 | 19 | 18 | 19 | 20 | 21 | 20 | 20 | 19 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 11 | 9 | 7 | 5 | 3 |
| Relative Humidity (%) | 89 | 90 | 90 | 92 | 94 | 93 | 93 | 91 | 87 | 83 | 78 | 74 | 71 | 69 | 67 | 67 | 68 | 70 | 71 | 72 | 74 | 78 | 83 | 87 |
| Rain | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
