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| Point Forecast: Mount Gretna PA 40.26N 76.47W (Elev. 213 m) |
Last Update: 4:33 pm EDT Aug 16, 2022 |
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| Date | 08/16 | 08/17 | ||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 28 | 26 | 25 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 18 | 17 | 17 | 18 | 19 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 |
| Dewpoint (°C) | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 27 | 26 | 25 | 24 | 25 | 26 | 26 | 27 | ||||||||||||||||
| Surface Wind (mph) | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 5 |
| Wind Dir | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | NE | NE | NE | NE | NE | NE | NE | NE | NE | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 52 | 45 | 38 | 31 | 39 | 41 | 28 | 25 | 33 | 35 | 34 | 29 | 37 | 40 | 31 | 35 | 23 | 18 | 24 | 42 | 45 | 46 | 44 | 47 |
| Precipitation Potential (%) | 18 | 15 | 12 | 9 | 8 | 6 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 5 | 5 | 5 | 5 | 22 | 22 | 22 |
| Relative Humidity (%) | 34 | 39 | 42 | 48 | 53 | 57 | 61 | 65 | 68 | 73 | 73 | 75 | 84 | 87 | 81 | 75 | 68 | 61 | 57 | 54 | 50 | 48 | 47 | 45 |
| Rain | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc |
| Date | 08/18 | |||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Temperature (°C) | 26 | 25 | 24 | 22 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 21 | 22 | 24 | 26 | 26 | 27 | 27 | 28 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Heat Index (°C) | 26 | 25 | 24 | 24 | 26 | 26 | 27 | 27 | 28 | |||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 51 | 56 | 50 | 48 | 42 | 35 | 28 | 22 | 15 | 14 | 12 | 11 | 10 | 8 | 7 | 6 | 6 | 5 | 7 | 10 | 12 | 13 | 15 |
| Precipitation Potential (%) | 22 | 22 | 22 | 4 | 4 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 10 | 10 |
| Relative Humidity (%) | 49 | 52 | 55 | 61 | 66 | 70 | 73 | 75 | 78 | 81 | 84 | 84 | 87 | 84 | 84 | 81 | 70 | 61 | 54 | 50 | 47 | 44 | 44 | 43 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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