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Uncasville, CT Marine Weather Forecast

Tonight - 59°F
May 18, 2026
3 to 8 mph S
Mostly Clear
Mostly clear, with a low around 59. South wind 3 to 8 mph.
Tuesday - 74°F
May 19, 2026
6 to 14 mph SW
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tuesday Night - 61°F
May 19, 2026
10 to 14 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 61. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday - 72°F
May 20, 2026
9 to 16 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms. Mostly sunny, with a high near 72. Southwest wind 9 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night - 55°F
May 20, 2026
13 mph NW
Showers And Thunderstorms
Showers and thunderstorms before 5am. Mostly cloudy, with a low around 55. Northwest wind around 13 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday - 63°F
May 21, 2026
5 to 10 mph NE
Partly Sunny
Partly sunny, with a high near 63.
Thursday Night - 50°F
May 21, 2026
2 to 7 mph SE
Partly Cloudy
Partly cloudy, with a low around 50.
Friday - 59°F
May 22, 2026
5 to 8 mph E
Mostly Sunny
Mostly sunny, with a high near 59.
Friday Night - 50°F
May 22, 2026
2 to 8 mph SE
Chance Rain Showers
A chance of rain showers after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday - 57°F
May 23, 2026
5 to 14 mph E
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Saturday Night - 51°F
May 23, 2026
16 mph E
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday - 59°F
May 24, 2026
14 mph E
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Sunday Night - 52°F
May 24, 2026
7 to 12 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Memorial Day - 62°F
May 25, 2026
8 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 62.

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