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Wiscasset, ME Marine Weather Forecast

Today - 70°F
May 17, 2026
10 to 15 mph W
Sunny
Sunny, with a high near 70. West wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
Tonight - 50°F
May 17, 2026
5 to 10 mph N
Partly Cloudy
Partly cloudy, with a low around 50. North wind 5 to 10 mph.
Monday - 57°F
May 18, 2026
0 to 10 mph SE
Mostly Sunny
Mostly sunny, with a high near 57. Southeast wind 0 to 10 mph.
Monday Night - 48°F
May 18, 2026
5 to 10 mph S
Mostly Clear
Mostly clear, with a low around 48. South wind 5 to 10 mph.
Tuesday - 68°F
May 19, 2026
10 to 15 mph SW
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night - 60°F
May 19, 2026
10 to 15 mph SW
Partly Cloudy
Partly cloudy, with a low around 60.
Wednesday - 71°F
May 20, 2026
10 to 15 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 50%.
Wednesday Night - 50°F
May 20, 2026
10 to 15 mph W
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 50. Chance of precipitation is 40%.
Thursday - 60°F
May 21, 2026
10 mph NW
Mostly Sunny
Mostly sunny, with a high near 60.
Thursday Night - 46°F
May 21, 2026
5 to 10 mph NW
Partly Cloudy
Partly cloudy, with a low around 46.
Friday - 57°F
May 22, 2026
5 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 57.
Friday Night - 46°F
May 22, 2026
0 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 46.
Saturday - 57°F
May 23, 2026
0 to 10 mph S
Partly Sunny
Partly sunny, with a high near 57.
Saturday Night - 46°F
May 23, 2026
0 to 5 mph S
Mostly Cloudy
Mostly cloudy, with a low around 46.

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