| Point Forecast: Stone Mountain GA 33.81N 84.15W (Elev. 304 m) |
Last Update: 10:07 pm EDT Aug 17, 2026 |
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| Date | 08/17 | 08/18 | ||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 27 | 29 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 33 | 32 | 30 | 29 |
| Dewpoint (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 18 |
| Heat Index (°C) | 32 | 31 | 31 | 29 | 28 | 28 | 26 | 26 | 25 | 25 | 25 | 29 | 32 | 34 | 36 | 36 | 36 | 37 | 37 | 36 | 35 | 34 | 31 | 30 |
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 8 | 8 |
| Wind Dir | W | W | W | W | NW | NW | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 21 | 29 | 33 | 36 | 48 | 38 | 35 | 36 | 37 | 33 | 29 | 27 | 25 | 22 | 19 | 27 | 27 | 26 | 24 | 24 | 15 | 15 | 15 | 10 |
| Precipitation Potential (%) | 19 | 18 | 17 | 9 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 62 | 65 | 69 | 72 | 74 | 75 | 78 | 80 | 82 | 83 | 82 | 77 | 68 | 62 | 57 | 51 | 48 | 44 | 43 | 42 | 43 | 44 | 49 | 54 |
| Rain | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/19 | |||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 24 | 27 | 30 | 32 | 33 | 34 | 35 | 36 | 36 | 35 | 34 | 32 | 31 |
| Dewpoint (°C) | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 |
| Heat Index (°C) | 29 | 28 | 26 | 25 | 24 | 24 | 24 | 29 | 32 | 34 | 35 | 36 | 36 | 37 | 36 | 36 | 34 | 33 | 32 | |||||
| Surface Wind (mph) | 7 | 7 | 6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 6 | 2 | 2 | 3 | 16 | 2 | 3 | 16 | 4 | 7 | 18 | 1 | 6 | 10 | 12 | 13 | 14 | 13 | 11 | 9 | 9 | 9 | 8 | 9 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 57 | 61 | 65 | 68 | 71 | 73 | 77 | 79 | 81 | 82 | 81 | 74 | 64 | 55 | 49 | 44 | 41 | 37 | 35 | 34 | 35 | 37 | 41 | 45 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
