| Point Forecast: 2 Miles SW Mansfield Center MA 41.99N 71.25W (Elev. 42 m) |
Last Update: 9:57 pm EDT Aug 18, 2026 |
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| Date | 08/19 | 08/20 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 23 | 25 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 23 | 22 | 21 | 21 |
| Dewpoint (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
| Heat Index (°C) | 25 | 28 | 29 | 30 | 31 | 31 | 30 | 30 | 30 | 28 | 26 | |||||||||||||
| Surface Wind (mph) | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 2 | 3 | 2 |
| Wind Dir | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 53 | 48 | 45 | 52 | 61 | 50 | 58 | 41 | 37 | 25 | 4 | 19 | 32 | 16 | 18 | 18 | 23 | 22 | 15 | 19 | 20 | 21 | 34 | 34 |
| Precipitation Potential (%) | 4 | 5 | 4 | 4 | 2 | 1 | 2 | 3 | 3 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 6 | 5 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 87 | 79 | 69 | 63 | 59 | 57 | 57 | 55 | 55 | 59 | 65 | 69 | 79 | 84 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/21 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°C) | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 23 | 24 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 25 | 23 | 22 | 21 | 20 | 19 |
| Dewpoint (°C) | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 |
| Heat Index (°C) | 24 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 26 | 25 | ||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | SW | SW | SW | SW | SW | W | W | W | W | W | NW | NW | W | W | W | W | W | W | W | W | W | W | W | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 18 | 43 | 49 | 49 | 46 | 54 | 49 | 29 | 76 | 54 | 31 | 36 | 41 | 46 | 48 | 50 | 52 | 52 | 52 | 52 | 54 | 55 | 57 | 53 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 8 | 10 | 12 | 14 | 13 | 13 | 10 | 10 | 10 | 9 | 9 |
| Relative Humidity (%) | 90 | 93 | 90 | 93 | 93 | 90 | 90 | 87 | 81 | 74 | 65 | 61 | 61 | 61 | 61 | 61 | 63 | 67 | 71 | 76 | 79 | 81 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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