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Winthrop, ME Weather Forecast


Winthrop, ME Weather Forecast Dated: 442 PM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Heavy Rain Showers
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
66°F 19°C
Cloudy
Warm and summery near 80°F 27°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the W to the WNW at 9 mph 15 km/h. Gusts up to 22 mph 35 km/h.
Friday, September 11, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable with temperatures reaching 69°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NW to the W at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
61°F 17°C
Sunny
Enjoyable around 76°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
69°F 20°C
Overcast
Mild temperatures up to 79°F 26°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and barometric pressure falling. Winds SW at 9 mph 15 km/h.
Monday, September 14, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mild with a high of 70°F 21°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds swinging from the NW to the NNW at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Pleasant near 70°F 21°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the S at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.
Wednesday, September 16, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
79°F 26°C
Light Showers
Early-Evening
69°F 21°C
Light Showers
Comfortable with temperatures reaching 79°F 26°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
67°F 19°C
Light Showers
Early-Evening
59°F 15°C
Light Showers
Cool with a high near 67°F 19°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
62°F 17°C
Cloudy
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
53°F 12°C
Sunny
Refreshing around 64°F 18°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds turning from the W to the NW at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Saturday, September 19, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
51°F 11°C
Sunny
Mildly cool near 59°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NW at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
54°F 12°C
Sunny
Early-Evening
45°F 8°C
Sunny
Chilly near 54°F 12°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure rising. Winds moving from the NNW to the ESE at 6 mph 10 km/h.
Monday, September 21, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
54°F 12°C
Overcast
Cool with a high near 65°F 18°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
58°F 15°C
Light Fog
Enjoyable around 69°F 21°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure. Winds swinging from the W to the SSE at 7 mph 11 km/h.
Wednesday, September 23, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mild temperatures up to 70°F 21°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
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