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Barnstable County, MA Weather Forecast
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Barnstable County Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  |  | | |  |  |  | |
| Chance of Showers | Chance of T-Storm | Showers Likely | Mostly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°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: 69°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C Lo: 69°FLo: 21°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 AM EDT Sat Aug 22 2026 
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Barnstable County Forecast Discussion
Issued: 404 AM EDT Sat Aug 22 2026
Key Messages
- Misty with drizzle today ahead of heavier rain tonight into Sunday.
- Drier and warmer next week.
Discussion
... KEY MESSAGE 1...Misty with drizzle today ahead of heavier rain tonight into Sunday.
Low pressure has continued to bring scattered light showers and drizzle/mist across parts of the Cape and south coast tonight as it has continued trekking northeast, while more interior parts of the region have remained mostly dry. This trend should continue to start the day. Based on latest obs...