| Point Forecast: Waynesboro VA 38.07N 78.9W (Elev. 397 m) |
Last Update: 12:35 am EDT Aug 19, 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) | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 22 | 25 | 26 | 27 | 29 | 31 | 31 | 31 | 31 | 30 | 29 | 27 | 26 | 24 | 24 | 23 |
| Dewpoint (°C) | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 18 | 17 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
| Heat Index (°C) | 25 | 26 | 28 | 29 | 31 | 31 | 32 | 31 | 31 | 31 | 28 | 26 | 24 | 24 | ||||||||||
| Surface Wind (mph) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 3 | 2 | 2 | 1 | 1 | 1 | 0 |
| Wind Dir | W | NW | NW | N | N | NW | W | N | NW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 19 | 26 | 30 | 20 | 48 | 45 | 18 | 7 | 10 | 5 | 7 | 4 | 13 | 8 | 19 | 24 | 33 | 27 | 30 | 41 | 33 | 16 | 15 | 29 |
| Precipitation Potential (%) | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 90 | 87 | 87 | 87 | 87 | 87 | 90 | 87 | 81 | 69 | 64 | 58 | 51 | 45 | 46 | 45 | 45 | 46 | 51 | 56 | 60 | 66 | 69 | 71 |
| 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) | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 22 | 22 | 25 | 26 | 28 | 28 | 29 | 29 | 29 | 28 | 27 | 24 | 24 | 22 | 22 | 22 | 21 |
| Dewpoint (°C) | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 |
| Heat Index (°C) | 25 | 26 | 29 | 30 | 31 | 32 | 31 | 29 | 29 | 24 | 24 | |||||||||||||
| Surface Wind (mph) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 6 | 3 | 2 | 2 | 2 | 1 | 0 |
| Wind Dir | NE | NE | N | N | N | NW | W | NE | N | W | S | S | SW | SW | SW | W | W | W | NW | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 37 | 38 | 37 | 34 | 25 | 30 | 29 | 36 | 57 | 64 | 61 | 54 | 68 | 67 | 52 | 66 | 51 | 67 | 68 | 63 | 63 | 72 | 73 |
| Precipitation Potential (%) | 3 | 3 | 2 | 2 | 3 | 2 | 5 | 11 | 13 | 19 | 20 | 11 | 7 | 16 | 18 | 17 | 49 | 27 | 51 | 45 | 45 | 45 | 45 | 45 |
| Relative Humidity (%) | 71 | 76 | 76 | 81 | 81 | 84 | 84 | 84 | 81 | 74 | 69 | 63 | 61 | 61 | 61 | 61 | 65 | 67 | 79 | 79 | 84 | 84 | 84 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- |
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