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Grindstone Pond Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of Rain | Scattered Showers | Scattered Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 50% | POP: 50% | POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Sat Aug 22 2026 
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Grindstone Pond Forecast Discussion
Issued: 223 PM EDT Sat Aug 22 2026
Key Messages
1) Widespread rain tonight into Monday will help ease ongoing drought conditions in some areas. Rain may be heavy at times tonight into Sunday, especially across Downeast Maine.
2) Upper level low pressure keeps the chance of showers going into midweek, especially across Northern Maine.
Discussion
... KEY MESSAGE 1...Widespread rain tonight into Monday will help ease ongoing drought conditions in some areas. Rain may be heavy at times tonight into Sunday, especially across Downeast Main...