Winthrop, ME Weather Forecast
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Winthrop Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of Showers | Sunny | Clear | Mostly Sunny | Partly Cloudy | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Sunny |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM EDT Fri Oct 02 2026 

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Issued: 249 PM EDT Fri Oct 2 2026
Key Messages
1. Cold front slips south of the area tonight returning us to seasonable weather. Patchy dense fog will be possible in the valleys tonight.
2. A polar air mass arrives behind a strong cold front early next week. Many locations south of the mountains may see their first hard freeze.
Discussion
... KEY MESSAGE 1 DESCRIPTION...
Cold front continues to slip thru the forecast area. Rain showers at this point are largely anafrontal, with a fairly well defined wind shift boundary pushing southw...
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