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Guilford Harbor, CT Marine Weather Forecast

Today - 33°F
Dec 31, 2025
15 mph SW
Mostly Cloudy
Mostly cloudy, with a high near 33. Wind chill values as low as 16. Southwest wind around 15 mph.
Tonight - 26°F
Dec 31, 2025
16 mph SW
Light Snow
Snow between 10pm and 4am. Mostly cloudy. Low around 26, with temperatures rising to around 31 overnight. Wind chill values as low as 17. Southwest wind around 16 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
New Year's Day - 32°F
Jan 01, 2026
20 mph W
Slight Chance Snow Showers then Mostly Sunny
A slight chance of snow showers between 7am and 10am. Mostly sunny. High near 32, with temperatures falling to around 24 in the afternoon. Wind chill values as low as 10. West wind around 20 mph. Chance of precipitation is 20%. New snow accumulation of less than one inch possible.
Thursday Night - 19°F
Jan 01, 2026
16 mph W
Mostly Clear
Mostly clear, with a low around 19. Wind chill values as low as 6. West wind around 16 mph.
Friday - 30°F
Jan 02, 2026
14 mph W
Mostly Sunny
Mostly sunny, with a high near 30. West wind around 14 mph.
Friday Night - 23°F
Jan 02, 2026
13 mph W
Mostly Clear
Mostly clear, with a low around 23.
Saturday - 31°F
Jan 03, 2026
7 to 10 mph W
Mostly Sunny
Mostly sunny, with a high near 31.
Saturday Night - 21°F
Jan 03, 2026
5 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 21.
Sunday - 32°F
Jan 04, 2026
5 to 9 mph NW
Mostly Sunny
Mostly sunny, with a high near 32.
Sunday Night - 21°F
Jan 04, 2026
7 mph NW
Mostly Clear
Mostly clear, with a low around 21.
Monday - 35°F
Jan 05, 2026
5 to 8 mph W
Partly Sunny then Slight Chance Light Snow
A slight chance of snow after 1pm. Partly sunny, with a high near 35.
Monday Night - 28°F
Jan 05, 2026
5 mph W
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday - 37°F
Jan 06, 2026
5 to 9 mph W
Slight Chance Light Snow then Slight Chance Light Rain
A slight chance of snow before 7am, then a slight chance of rain between 7am and 1pm. Partly sunny, with a high near 37.
Tuesday Night - 28°F
Jan 06, 2026
6 mph NW
Partly Cloudy
Partly cloudy, with a low around 28.

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