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Canonsburg Lake, PA Weather Forecast
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Canonsburg Lake Weather Forecast
| OVERNIGHT | TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  |  | | |  | | | |
| Isolated Showers | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1210 AM EDT Thu Aug 27 2026 
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Issued: 719 PM EDT Wed Aug 26 2026
Key Messages
1) Dry today, with shower and thunderstorm chances returning tonight and Thursday. Marginal potential for severe storms Thursday afternoon and evening.
2) Dry weather returns by the weekend, before additional shower and thunderstorm chances early next week.
Discussion
... KEY MESSAGE 1... The center of surface high pressure is expected to shift east today, allowing the impact of another disturbance late tonight and into the day on Thursday. A strong shortwave trough will pass through th...