| Point Forecast: Lexington MA 42.45N 71.23W (Elev. 68 m) |
Last Update: 3:27 pm EDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 31 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 24 | 26 | 29 | 31 | 32 | 33 | 33 | 33 | 33 | 33 |
| Dewpoint (°C) | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 34 | 33 | 31 | 29 | 26 | 25 | 24 | 24 | 24 | 26 | 32 | 34 | 36 | 37 | 37 | 37 | 37 | 37 | ||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | SW | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 34 | 25 | 16 | 7 | 12 | 16 | 16 | 15 | 15 | 20 | 25 | 31 | 25 | 18 | 30 | 24 | 18 | 19 | 19 | 20 | 28 | 35 | 43 |
| Precipitation Potential (%) | 17 | 17 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 |
| Relative Humidity (%) | 61 | 65 | 74 | 77 | 82 | 85 | 90 | 90 | 90 | 90 | 93 | 93 | 97 | 93 | 90 | 79 | 67 | 61 | 57 | 52 | 51 | 51 | 51 | 51 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 32 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 32 | 32 | 32 |
| Dewpoint (°C) | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 36 | 35 | 34 | 32 | 31 | 29 | 29 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 25 | 26 | 31 | 32 | 34 | 36 | 37 | 38 | 37 | 37 |
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
| Wind Dir | S | S | S | S | SW | SW | SW | SW | SW | SW | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 47 | 52 | 15 | 30 | 46 | 61 | 67 | 73 | 79 | 85 | 90 | 96 | 93 | 89 | 86 | 78 | 71 | 67 | 68 | 68 | 69 | 69 | 69 | 70 |
| Precipitation Potential (%) | 1 | 2 | 4 | 6 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 26 | 31 | 36 | 41 | 46 | 51 | 52 | 52 | 53 | 54 | 54 | 55 |
| Relative Humidity (%) | 56 | 59 | 65 | 70 | 74 | 74 | 77 | 79 | 82 | 85 | 87 | 87 | 90 | 87 | 90 | 86 | 82 | 77 | 73 | 70 | 68 | 66 | 65 | 66 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc |
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