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Town of Winchester, MAWinchester, MA Weather Forecast
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Winchester Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
 |  |  |  | | | | | | | | |
| Mostly Clear | Chance of Showers | Chance of Showers | Mostly Sunny | Clear | Clear | Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 PM EDT Sat Oct 03 2026 
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Issued: 319 PM EDT Sat Oct 3 2026
Key Messages
- Beautiful and refreshing fall weather continues into Sunday, though clouds increase during the afternoon. Showers arrive late Sunday afternoon/evening and become widespread Sunday night, potentially lingering into the Monday morning commute.
- Sharp temperature drop expected for the start of the week, then a return to dry, fall-like conditions with seasonable temperatures.
Discussion
... KEY MESSAGE 1...Beautiful and refreshing fall weather continues into Sunday, though clouds increase d...