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| Point Forecast: 3 Miles SSW South Amherst MA 42.31N 72.55W (Elev. 899 ft) |
Last Update: 8:18 am EDT Sep 17, 2021 |
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| Date | 09/17 | 09/18 | ||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 65 | 66 | 68 | 69 | 70 | 71 | 71 | 70 | 69 | 67 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 63 | 65 |
| Dewpoint (°F) | 62 | 63 | 64 | 65 | 66 | 66 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 63 | 64 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 |
| Wind Dir | N | NE | NE | E | E | E | E | E | E | E | E | E | NE | NE | NE | NE | NE | NE | NE | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 87 | 88 | 86 | 83 | 81 | 80 | 80 | 80 | 79 | 79 | 79 | 79 | 80 | 81 | 79 | 78 | 76 | 71 | 66 | 60 | 61 | 61 | 62 | 56 |
| Precipitation Potential (%) | 10 | 10 | 3 | 1 | 4 | 4 | 4 | 5 | 4 | 4 | 5 | 3 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 2 |
| Relative Humidity (%) | 92 | 90 | 87 | 87 | 87 | 84 | 87 | 90 | 90 | 97 | 97 | 100 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 100 | 100 | 97 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/19 | |||||||||||||||||||||||
| Hour (EDT) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| Temperature (°F) | 68 | 71 | 73 | 75 | 76 | 77 | 77 | 76 | 74 | 71 | 69 | 67 | 66 | 66 | 65 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 58 | 60 |
| Dewpoint (°F) | 65 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 65 | 64 | 63 | 62 | 61 | 59 | 58 | 57 | 56 | 55 | 55 | 55 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 76 | |||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Dir | N | N | N | N | N | N | N | N | N | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 44 | 45 | 46 | 47 | 44 | 41 | 39 | 41 | 42 | 44 | 36 | 28 | 19 | 17 | 14 | 12 | 12 | 11 | 11 | 9 | 7 | 5 | 5 |
| Precipitation Potential (%) | 3 | 5 | 6 | 10 | 9 | 6 | 6 | 14 | 14 | 7 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 84 | 79 | 76 | 74 | 71 | 71 | 74 | 79 | 87 | 93 | 97 | 97 | 93 | 93 | 93 | 93 | 90 | 90 | 90 | 90 | 90 | 90 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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