Weather WorldGresham Lake, GA Weather Forecast
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Gresham Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 500 PM EDT Mon Sep 21 2026 
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Issued: 943 PM EDT Mon Sep 21 2026
Key Messages
- Unseasonably warm conditions will continue through the middle of the week. Heat index values will peak in the upper 90s to lower 100s Today and Tuesday.
- Marginal Risk (level 1 of 5) is in effect for severe weather today and tomorrow across north Georgia and metro Atlanta. Primary concern will be a few damaging wind gusts in the strongest storms.
- More seasonable temperatures are expected starting as early as midweek and becoming more widespread by late in the week.
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