Plymouth County, MA Weather Forecast
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Plymouth County Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
| Mostly Sunny | Showers | Chance of Showers | Chance of Showers | Showers | Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C |
| POP: 70% | POP: 40% | POP: 50% | POP: 90% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 PM EDT Thu Aug 20 2026 

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Plymouth County Forecast Discussion
Issued: 224 PM EDT Thu Aug 20 2026
Key Messages
- Rainy conditions develop tonight, tapering off to drizzle or intermittent light rain and onshore flow overnight. Cooler than normal temps Friday with best chances for steady rain in eastern MA.
- A wet and unusually cool weekend on tap.
- Drier and warmer next week.
Discussion
... KEY MESSAGE 1...Rainy conditions develop tonight, tapering off to drizzle or intermittent light rain and onshore flow overnight. Cooler than normal temps Friday with best chances for...
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