| Point Forecast: Chambersburg PA 39.93N 77.66W (Elev. 617 ft) |
Last Update: 3:12 am EDT May 29, 2024 |
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| Date | 05/29 | 05/30 | ||||||||||||||||||||||
| 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 (°F) | 60 | 58 | 56 | 56 | 59 | 63 | 67 | 69 | 71 | 71 | 70 | 70 | 69 | 68 | 68 | 66 | 64 | 61 | 60 | 59 | 58 | 57 | 57 | 56 |
| Dewpoint (°F) | 52 | 52 | 53 | 53 | 54 | 55 | 55 | 55 | 54 | 55 | 55 | 55 | 56 | 56 | 55 | 55 | 56 | 56 | 56 | 55 | 54 | 54 | 54 | 53 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | W | SW | W | W | NW | NW | NW | NW | NW | W | W | NW | NW | W | NW | NW | NW | NW | NW | NW | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 9 | 10 | 11 | 12 | 13 | 25 | 36 | 48 | 59 | 71 | 82 | 82 | 96 | 90 | 80 | 80 | 80 | 77 | 75 | 72 | 70 | 67 | 65 | 55 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 6 | 11 | 16 | 20 | 35 | 50 | 65 | 81 | 96 | 90 | 75 | 59 | 43 | 37 | 31 | 25 | 19 | 13 | 7 | 6 |
| Relative Humidity (%) | 75 | 80 | 90 | 90 | 83 | 75 | 65 | 61 | 55 | 57 | 59 | 59 | 63 | 65 | 63 | 68 | 75 | 84 | 87 | 87 | 86 | 90 | 90 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Chc | Chc | Chc | Chc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | SChc | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/31 | |||||||||||||||||||||||
| 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 (°F) | 55 | 54 | 54 | 55 | 57 | 61 | 63 | 65 | 67 | 68 | 70 | 70 | 71 | 71 | 69 | 67 | 64 | 62 | 59 | 57 | 55 | 53 | 51 | 50 |
| Dewpoint (°F) | 52 | 51 | 50 | 50 | 50 | 49 | 48 | 47 | 46 | 46 | 45 | 44 | 44 | 44 | 45 | 45 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 41 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 2 | 3 | 3 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | N | N | N | N | N | N | N | N | N | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 46 | 36 | 26 | 17 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 13 | 16 | 19 | 22 | 25 | 28 | 25 | 21 | 18 | 15 | 12 | 9 | 9 |
| Precipitation Potential (%) | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 |
| Relative Humidity (%) | 90 | 90 | 86 | 83 | 77 | 65 | 58 | 52 | 47 | 45 | 41 | 39 | 38 | 38 | 42 | 45 | 52 | 54 | 57 | 62 | 64 | 66 | 68 | 71 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
