| Point Forecast: Stone Mountain GA 33.81N 84.15W (Elev. 997 ft) |
Last Update: 6:41 am EDT Sep 13, 2026 |
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| Date | 09/13 | 09/14 | ||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 71 | 72 | 74 | 78 | 81 | 84 | 85 | 88 | 89 | 89 | 90 | 89 | 86 | 84 | 80 | 78 | 77 | 76 | 75 | 74 | 73 | 71 | 71 | 70 |
| Dewpoint (°F) | 70 | 70 | 71 | 72 | 73 | 72 | 71 | 70 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 67 |
| Heat Index (°F) | 78 | 86 | 89 | 91 | 93 | 93 | 93 | 94 | 92 | 90 | 87 | 82 | 78 | 77 | 76 | 75 | ||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 |
| Wind Dir | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 39 | 43 | 43 | 40 | 28 | 27 | 29 | 27 | 17 | 20 | 22 | 11 | 5 | 4 | 5 | 8 | 10 | 8 | 4 | 5 | 5 | 3 | 3 | 9 |
| Precipitation Potential (%) | 2 | 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 (%) | 96 | 96 | 92 | 83 | 76 | 68 | 63 | 56 | 53 | 51 | 49 | 50 | 55 | 59 | 67 | 71 | 74 | 77 | 78 | 81 | 83 | 86 | 87 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/15 | |||||||||||||||||||||||
| Hour (EDT) | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 |
| Temperature (°F) | 70 | 70 | 74 | 80 | 85 | 87 | 89 | 92 | 93 | 93 | 94 | 92 | 90 | 87 | 82 | 80 | 79 | 78 | 77 | 76 | 75 | 74 | 73 | 73 |
| Dewpoint (°F) | 66 | 66 | 68 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 67 |
| Heat Index (°F) | 83 | 88 | 92 | 94 | 96 | 97 | 97 | 98 | 96 | 94 | 90 | 85 | 83 | 79 | 78 | 77 | 76 | 75 | ||||||
| Surface Wind (mph) | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 3 | 5 | 7 | 8 | 9 |
| Wind Dir | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | NE | NE | NE | E | E | E | E | E | E |
| Gust | 15 | 16 | ||||||||||||||||||||||
| Sky Cover (%) | 8 | 13 | 12 | 10 | 10 | 9 | 12 | 12 | 4 | 6 | 13 | 7 | 7 | 11 | 11 | 11 | 10 | 12 | 14 | 16 | 17 | 18 | 18 | 20 |
| 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 (%) | 88 | 87 | 82 | 68 | 60 | 55 | 52 | 47 | 45 | 44 | 42 | 44 | 49 | 53 | 62 | 67 | 70 | 72 | 74 | 76 | 78 | 80 | 82 | 84 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
