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Copiague, NY Marine Weather Forecast

This Afternoon - 34°F
Dec 30, 2025
18 mph W
Mostly Cloudy
Mostly cloudy. High near 34, with temperatures falling to around 32 in the afternoon. Wind chill values as low as 21. West wind around 18 mph, with gusts as high as 33 mph.
Tonight - 24°F
Dec 30, 2025
12 to 16 mph W
Mostly Cloudy
Mostly cloudy, with a low around 24. Wind chill values as low as 14. West wind 12 to 16 mph, with gusts as high as 33 mph.
Wednesday - 35°F
Dec 31, 2025
10 to 14 mph W
Partly Sunny
Partly sunny. High near 35, with temperatures falling to around 33 in the afternoon. Wind chill values as low as 15. West wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night - 25°F
Dec 31, 2025
10 mph W
Light Snow Likely
Snow likely after 7pm. Mostly cloudy. Low around 25, with temperatures rising to around 29 overnight. Wind chill values as low as 20. West wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
New Year's Day - 32°F
Jan 01, 2026
12 to 16 mph NW
Light Snow Likely
Snow likely before 1pm. Mostly sunny. High near 32, with temperatures falling to around 26 in the afternoon. Northwest wind 12 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night - 19°F
Jan 01, 2026
8 to 12 mph W
Partly Cloudy
Partly cloudy, with a low around 19.
Friday - 34°F
Jan 02, 2026
8 to 13 mph W
Partly Sunny
Partly sunny, with a high near 34.
Friday Night - 23°F
Jan 02, 2026
9 mph W
Partly Cloudy
Partly cloudy, with a low around 23.
Saturday - 33°F
Jan 03, 2026
8 to 12 mph NW
Mostly Sunny
Mostly sunny, with a high near 33.
Saturday Night - 22°F
Jan 03, 2026
8 mph NW
Partly Cloudy
Partly cloudy, with a low around 22.
Sunday - 34°F
Jan 04, 2026
8 mph NW
Mostly Sunny
Mostly sunny, with a high near 34.
Sunday Night - 25°F
Jan 04, 2026
6 mph W
Mostly Cloudy
Mostly cloudy, with a low around 25.
Monday - 38°F
Jan 05, 2026
6 to 10 mph W
Slight Chance Light Snow
A slight chance of snow between 7am and 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Monday Night - 28°F
Jan 05, 2026
7 mph W
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a low around 28.

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