| Point Forecast: Lexington MA 42.45N 71.23W (Elev. 68 m) |
Last Update: 4:07 pm EDT Jul 16, 2025 |
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| Date | 07/16 | 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 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 30 |
| Dewpoint (°C) | 22 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Heat Index (°C) | 36 | 34 | 32 | 31 | 29 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 31 | 32 | 34 | 34 | 36 | 36 | 36 | 36 |
| Surface Wind (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 |
| Wind Dir | SW | S | S | S | S | SW | SW | SW | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 17 | 10 | 13 | 21 | 34 | 45 | 47 | 68 | 69 | 79 | 87 | 91 | 93 | 94 | 91 | 96 | 88 | 82 | 74 | 67 | 59 | 56 | 52 | 49 |
| Precipitation Potential (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 3 | 5 | 8 | 13 | 19 | 24 | 35 | 46 | 58 | 52 | 46 | 40 | 31 | 23 | 14 |
| Relative Humidity (%) | 57 | 63 | 70 | 72 | 77 | 79 | 87 | 90 | 87 | 90 | 90 | 94 | 94 | 94 | 91 | 88 | 82 | 77 | 75 | 72 | 72 | 72 | 72 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Chc | Chc | Chc | Chc | SChc | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- |
| Date | 07/18 | |||||||||||||||||||||||
| 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) | 30 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 27 |
| Dewpoint (°C) | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 |
| Heat Index (°C) | 35 | 34 | 33 | 32 | 30 | 29 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | ||||
| Surface Wind (mph) | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 51 | 52 | 56 | 60 | 65 | 49 | 34 | 19 | 18 | 16 | 15 | 25 | 36 | 46 | 41 | 38 | 36 | 29 | 22 | 15 | 14 | 12 | 11 |
| Precipitation Potential (%) | 23 | 31 | 28 | 24 | 14 | 5 | 5 | 4 | 3 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Relative Humidity (%) | 70 | 72 | 74 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 76 | 74 | 71 | 67 | 62 | 58 | 55 | 52 | 51 | 48 | 47 | 47 |
| Rain | SChc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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