Upper Bay, ME 14 Day Weather
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Upper Bay, ME Weather Forecast


Upper Bay, ME Weather Forecast Dated: 424 PM Sun Sep 20 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and a stable pattern will dominate.
Sunday, September 20, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
52°F 11°C
Drizzle
Early-Evening
51°F 11°C
Light Rain
Brisk around 52°F 11°C, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
55°F 13°C
Cloudy
Mildly cool near 62°F 17°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the N to the NNE at 6 mph 9 km/h.
Tuesday, September 22, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
51°F 10°C
Overcast
Comfortable at 58°F 14°C, overcast throughout the day, with increasing humidity and steady pressure. Winds switching from the NE to the E at 3 mph 5 km/h.
Wednesday, September 23, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
50°F 10°C
Sunny
Cool with a high near 59°F 15°C, sunny throughout the day, with increasing humidity and steady pressure. Winds moving from the NE to the N at 5 mph 9 km/h.
Thursday, September 24, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
53°F 12°C
Overcast
Refreshing around 64°F 18°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds swinging from the NNE to the N at 4 mph 6 km/h.
Friday, September 25, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Rain
Early-Evening
55°F 13°C
Overcast
Cool and brisk at 55°F 13°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds blowing from the NNE at 13 mph 21 km/h. Gusts up to 35 mph 56 km/h.
Saturday, September 26, 2026
Mid-Morning
56°F 13°C
Light Showers
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
58°F 15°C
Overcast
Comfortable at 65°F 18°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure rising. Winds turning from the NNE to the NE at 12 mph 18 km/h. Gusts up to 26 mph 42 km/h.
Sunday, September 27, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
60°F 15°C
Overcast
Early-Evening
52°F 11°C
Partly Cloudy
Cool with a high near 60°F 15°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds switching from the NE to the S at 6 mph 10 km/h.
Monday, September 28, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
60°F 16°C
Partly Cloudy
Early-Evening
50°F 10°C
Light Fog
Refreshing around 60°F 16°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with increasing humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
52°F 11°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
58°F 14°C
Light Fog
Early-Evening
57°F 14°C
Fog
Comfortable at 58°F 14°C, overcast throughout the day, with increasing humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
58°F 15°C
Fog
Mid-Afternoon
62°F 16°C
Fog
Early-Evening
61°F 16°C
Light Showers
Cool with a high near 62°F 16°C, dry most of the day, with showers developing late, with steady humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Heavy Rain Showers
Early-Evening
63°F 17°C
Heavy Rain Showers
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds building from SE at 4 mph 6 km/h to SSE at 12 mph 19 km/h. Gusts up to 31 mph 50 km/h.
Saturday, October 3, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Cloudy
Early-Evening
60°F 16°C
Sunny
Mild temperatures up to 68°F 20°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure rising. Winds swinging from the SW to the WSW at 8 mph 13 km/h. Gusts up to 22 mph 36 km/h.
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