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| Point Forecast: Lexington MA 42.45N 71.23W (Elev. 223 ft) |
Last Update: 3:22 am EDT Aug 2, 2021 |
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| Date | 08/02 | 08/03 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 63 | 63 | 63 | 65 | 67 | 70 | 72 | 74 | 75 | 76 | 77 | 77 | 76 | 75 | 73 | 71 | 69 | 67 | 65 | 64 | 63 | 62 | 61 | 59 |
| Dewpoint (°F) | 59 | 60 | 60 | 61 | 61 | 60 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 59 | 59 | 59 | 58 | 58 | 58 | 57 | 57 | 56 | 56 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 76 | 75 | ||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 5 | 5 | 7 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | SW | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 69 | 59 | 49 | 39 | 38 | 38 | 37 | 37 | 36 | 35 | 31 | 27 | 23 | 19 | 15 | 11 | 12 | 13 | 14 | 14 | 15 | 16 | 19 | 21 |
| Precipitation Potential (%) | 15 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 87 | 90 | 90 | 87 | 81 | 71 | 66 | 62 | 58 | 56 | 54 | 52 | 54 | 55 | 62 | 66 | 70 | 73 | 78 | 81 | 81 | 84 | 84 | 90 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/04 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°F) | 59 | 60 | 62 | 64 | 67 | 71 | 74 | 76 | 78 | 79 | 79 | 79 | 78 | 76 | 74 | 72 | 70 | 68 | 67 | 66 | 66 | 65 | 64 | 63 |
| Dewpoint (°F) | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 58 | 59 | 59 | 60 | 60 | 59 | 59 | 59 | 58 |
| Heat Index (°F) | 76 | 78 | 79 | 79 | 79 | 78 | 76 | |||||||||||||||||
| Surface Wind (mph) | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 |
| Wind Dir | W | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | SW | SW | SW | SW | SW | SW | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 24 | 26 | 29 | 32 | 38 | 44 | 51 | 57 | 63 | 70 | 71 | 73 | 75 | 77 | 78 | 80 | 81 | 82 | 82 | 83 | 83 | 84 | 85 | 86 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 |
| Relative Humidity (%) | 87 | 87 | 81 | 78 | 70 | 61 | 55 | 52 | 47 | 45 | 45 | 45 | 47 | 52 | 55 | 61 | 68 | 73 | 78 | 81 | 78 | 81 | 84 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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