Chilmark, MA Weather Forecast
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Chilmark Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
| Mostly Cloudy | Chance of Showers | Chance of T-Storm | Windy | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Lo: 50°FLo: 10°C | Hi: 55°FHi: 13°C | Lo: 50°FLo: 10°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 59°FHi: 15°C |
| POP: 40% | POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM EDT Wed Oct 21 2026 

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Issued: 227 AM EDT Wed Oct 21 2026
Key Messages
- A slow-moving nor`easter remains offshore through Thursday. Most of southern New England stays dry, but locally heavier rainfall is possible across the Cape and Islands. Gusty northeast winds and dangerous marine conditions remain the primary concerns.
- Fairly cool on Friday with a very low chance of an early morning shower. Otherwise, moderating temperatures and dry conditions are expected for the weekend into early next week.
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... KEY MESSAGE 1...A slow-moving nor`easter rem...
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