| Point Forecast: Marietta GA 33.95N 84.55W (Elev. 1158 ft) |
Last Update: 7:41 pm EDT Aug 12, 2026 |
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| Date | 08/12 | 08/13 | ||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 77 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 74 | 76 | 81 | 84 | 87 | 89 | 90 | 91 | 92 | 91 | 91 | 89 | 86 | 83 | 81 |
| Dewpoint (°F) | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 70 | 71 | 73 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 72 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 77 | 76 | 75 | 75 | 76 | 86 | 91 | 95 | 98 | 99 | 100 | 101 | 99 | 99 | 97 | 93 | 89 | 85 | ||||||
| Surface Wind (mph) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 5 | 3 | 2 | 2 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | W | W | W | W |
| Gust | 15 | 16 | 15 | 15 | ||||||||||||||||||||
| Sky Cover (%) | 22 | 19 | 29 | 21 | 22 | 17 | 21 | 28 | 40 | 35 | 34 | 34 | 32 | 34 | 41 | 42 | 35 | 31 | 36 | 32 | 36 | 42 | 35 | 35 |
| Precipitation Potential (%) | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 3 | 12 | 13 | 11 | 9 | 9 | 10 | 15 | 18 | 15 | 13 | 10 | 12 | 4 | 3 | 1 |
| Relative Humidity (%) | 87 | 88 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 92 | 88 | 78 | 72 | 67 | 61 | 58 | 56 | 54 | 55 | 55 | 58 | 66 | 72 | 76 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- |
| Date | 08/14 | |||||||||||||||||||||||
| Hour (EDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 79 | 78 | 77 | 77 | 76 | 75 | 75 | 75 | 75 | 76 | 78 | 82 | 86 | 89 | 91 | 92 | 93 | 94 | 93 | 92 | 91 | 89 | 86 | 83 |
| Dewpoint (°F) | 73 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 72 | 73 | 74 | 75 | 75 | 74 | 74 | 73 | 72 | 72 | 72 | 72 | 73 | 73 | 73 |
| Heat Index (°F) | 83 | 78 | 77 | 77 | 76 | 75 | 75 | 75 | 75 | 76 | 78 | 88 | 95 | 99 | 101 | 102 | 102 | 102 | 102 | 100 | 99 | 96 | 94 | 90 |
| Surface Wind (mph) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 3 | 2 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | W | W | W | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 42 | 42 | 40 | 32 | 23 | 12 | 19 | 11 | 11 | 21 | 15 | 22 | 29 | 34 | 40 | 45 | 41 | 36 | 32 | 30 | 29 | 28 | 27 | 25 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 2 | 2 | 2 |
| Relative Humidity (%) | 80 | 82 | 84 | 85 | 85 | 87 | 87 | 87 | 88 | 88 | 84 | 77 | 69 | 63 | 58 | 55 | 52 | 50 | 50 | 52 | 55 | 60 | 66 | 72 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
