Sites Lake, OH Weather Forecast
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Sites Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Partly Cloudy | Patchy Fog | Partly Cloudy | Showers Likely | Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C |
| POP: 60% | POP: 60% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 717 PM EDT Mon Aug 17 2026 

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Sites Lake Forecast Discussion
Issued: 725 PM EDT Mon Aug 17 2026
Key Messages
1) High pressure builds into the region today with quiet weather expected over the next couple of days.
2) Showers and thunderstorms expected Wednesday and Saturday.
Discussion
... KEY MESSAGE 1... Low pressure that brought showers and thunderstorms exits into Northeastern Canada as the accompanying cold front drifts to the southeast of the region into the Mid-Atlantic. Zonal flow aloft will take hold across the region today as high pressure begins to build...
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