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Threecornered Pond Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | |  | |  |  |  | | | |  |
| Partly Cloudy | Rain | Rain | Patchy Fog | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C |
| POP: 70% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 500 PM EDT Sat Sep 19 2026 
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Issued: 733 PM EDT Sat Sep 19 2026
Key Messages
1. Low pressure will bring a period of beneficial rain Sunday into Sunday night. Rain may be heavy at times, but no flooding is expected.
2. High pressure brings mostly fair weather Monday through Wednesday with temperatures running below normal. Rain chances increase during the Friday to Sunday timeframe as a possible coastal low develops along the Eastern Seaboard.
Discussion
... KEY MESSAGE 1 DESCRIPTION... High pressure exits to the east tonight and clouds slowly build in, but we sh...