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Firth-Glengarry Historic District Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  |  |  | | | |  | | |
| Chance of Showers | Chance of Showers | Patchy Fog | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Showers | Showers | Mostly Sunny |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1002 PM EDT Mon Aug 17 2026 
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Firth-Glengarry Historic District Forecast Discussion
Issued: 801 PM EDT Mon Aug 17 2026
Key Messages
- Fair and less humid Tuesday with gradual clearing. A high risk of rip currents develops across east-facing beaches by Tuesday afternoon.
- No washouts expected, though several opportunities for showers return from mid to late week.
Discussion
... KEY MESSAGE 1...Fair and less humid Tuesday with gradual clearing. A high risk of rip currents develops across east-facing beaches by Tuesday afternoon.
Gradual clearing develops from W to E Tuesday as low pressure s...