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Lake Alpharetta, FL Weather Forecast
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Lake Alpharetta Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C |
| POP: 50% | POP: 70% | POP: 20% | POP: 60% | POP: 30% | POP: 50% | POP: 20% | POP: 50% | POP: 20% | POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM EDT Wed Aug 19 2026 
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Issued: 300 PM EDT Wed Aug 19 2026
Key Messages
Issued at 250 PM EDT Wed Aug 19 2026- A Heat Advisory remains in effect for all East Central Florida counties until 8 PM for peak heat indices of 108F to 112F. Practice heat safety!
- Scattered to numerous showers and storms will be possible each afternoon through early next week. Lightning, gusty winds, and heavy downpours will be the main storm hazards.
- Hot conditions will continue over the next couple of days with temperatures trending closer to normal l...