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Lake Duffy Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  |  | | | |  |  |  |  |
| Partly Sunny | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 50% | POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 PM EDT Wed Aug 19 2026 
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Lake Duffy Forecast Discussion
Issued: 646 AM EDT Wed Aug 19 2026
Key Messages
1) Seasonable with some showers through midweek followed by more unsettled and cooler conditions over the weekend
Discussion
... KEY MESSAGE 1: Seasonable with some showers through midweek followed by more unsettled and cooler conditions over the weekend
Crumbling cu into tonight setting up some valley fog formation into early Wednesday morning. Cold front crossing Lake Erie should be accompanied by rain showers into the northwest Alleghenies this morning. ...