| Point Forecast: Washington PA 40.19N 80.25W (Elev. 334 m) |
Last Update: 4:04 pm EDT Sep 20, 2024 |
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| Date | 09/20 | 09/21 | ||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 29 | 27 | 25 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 20 | 23 | 24 | 26 | 27 | 27 | 28 | 28 | 28 |
| Dewpoint (°C) | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 |
| Heat Index (°C) | 28 | 27 | 25 | 24 | 26 | 28 | 28 | 28 | 29 | 29 | ||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Wind Dir | S | S | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 14 | 15 | 22 | 26 | 21 | 30 | 17 | 28 | 26 | 22 | 23 | 51 | 63 | 58 | 54 | 48 | 53 | 58 | 57 | 55 | 58 | 54 | 53 | 52 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 6 | 8 | 10 | 11 | 12 | 21 | 27 | 31 | 36 | 36 | 37 | 33 | 28 | 24 | 22 |
| Relative Humidity (%) | 41 | 47 | 53 | 60 | 66 | 71 | 76 | 79 | 83 | 84 | 88 | 87 | 91 | 91 | 88 | 80 | 74 | 67 | 62 | 59 | 56 | 54 | 53 | 50 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | SChc | SChc |
| Date | 09/22 | |||||||||||||||||||||||
| Hour (EDT) | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Temperature (°C) | 27 | 26 | 24 | 22 | 21 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 21 | 24 | 26 | 28 | 29 | 29 | 30 | 29 |
| Dewpoint (°C) | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 14 |
| Heat Index (°C) | 28 | 26 | 24 | 24 | 27 | 28 | 29 | 29 | 29 | 29 | ||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 5 | 5 |
| Wind Dir | W | NW | N | N | N | NE | N | NW | NW | NW | NW | NW | N | E | SE | SE | SE | SE | SE | S | S | S | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 26 | 13 | 15 | 16 | 18 | 19 | 23 | 26 | 33 | 40 | 47 | 51 | 54 | 58 | 51 | 45 | 38 | 35 | 31 | 28 | 27 | 27 | 26 |
| Precipitation Potential (%) | 17 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 52 | 57 | 66 | 73 | 77 | 81 | 85 | 90 | 94 | 97 | 98 | 100 | 100 | 100 | 98 | 89 | 77 | 67 | 57 | 50 | 45 | 42 | 40 | 40 |
| Rain | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
