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| Point Forecast: Lexington MA 42.45N 71.23W (Elev. 68 m) |
Last Update: 3:25 am EDT Aug 3, 2021 |
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| Date | 08/03 | 08/04 | ||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 13 | 13 | 13 | 14 | 16 | 19 | 21 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 24 | 23 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 17 |
| Dewpoint (°C) | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 26 | 24 | |||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Wind Dir | NW | NW | NW | NW | NW | NW | W | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 13 | 20 | 26 | 32 | 38 | 41 | 44 | 48 | 54 | 61 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 70 | 71 | 72 | 73 | 74 | 74 | 75 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 4 |
| Relative Humidity (%) | 93 | 96 | 93 | 90 | 84 | 70 | 63 | 55 | 52 | 50 | 48 | 48 | 47 | 48 | 52 | 57 | 63 | 66 | 70 | 73 | 75 | 78 | 81 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/05 | |||||||||||||||||||||||
| Hour (EDT) | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
| Temperature (°C) | 17 | 17 | 18 | 18 | 19 | 21 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 21 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 2 | 2 | 2 |
| Wind Dir | W | W | W | W | W | SE | SE | SE | SE | SE | SE | SE | SE | E | E | E | E | SE | SE | SE | E | E | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 75 | 75 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 75 | 73 | 71 | 69 | 67 | 71 | 74 | 78 | 76 |
| Precipitation Potential (%) | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 11 | 12 | 16 | 20 | 24 | 25 | 25 | 26 | 30 | 34 | 38 | 36 |
| Relative Humidity (%) | 81 | 81 | 78 | 78 | 75 | 68 | 64 | 59 | 58 | 60 | 60 | 60 | 62 | 64 | 66 | 76 | 84 | 87 | 90 | 93 | 93 | 93 | 93 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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