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Perpendicular Trail Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | |  |  | |  | | |
| Isolated Showers | Isolated Showers | Clear | Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Clearing | Mostly Clear | Partly Sunny |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Sun Sep 13 2026 
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Issued: 254 PM EDT Sun Sep 13 2026
Key Messages
1) Showers tonight into Monday morning.
2) Patchy/areas of frost possible across northern areas Monday night.
3) Chance for rain showers by late next week.
Discussion
... KEY MESSAGE 1...Showers tonight into Monday morning.
KEY MESSAGE 1 DESCRIPTION... Low pressure will exit across the Maritimes tonight, while a cold front crosses the region and an upper trof approaches from the west. The heavier rains with the surface low will remain offshore across the Gulf of Maine. However, the northe...