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Mastic Beach, NY Marine Weather Forecast

This Afternoon - 46°F
Jan 14, 2026
12 mph S
Slight Chance Light Rain
A slight chance of rain after 4pm. Mostly cloudy. High near 46, with temperatures falling to around 44 in the afternoon. South wind around 12 mph. Chance of precipitation is 20%.
Tonight - 40°F
Jan 14, 2026
13 mph S
Chance Light Rain
A chance of rain. Cloudy. Low around 40, with temperatures rising to around 42 overnight. South wind around 13 mph. Chance of precipitation is 50%.
Thursday - 41°F
Jan 15, 2026
12 to 22 mph SW
Slight Chance Light Rain then Partly Sunny
A slight chance of rain before 7am. Partly sunny. High near 41, with temperatures falling to around 34 in the afternoon. Wind chill values as low as 22. Southwest wind 12 to 22 mph. Chance of precipitation is 20%.
Thursday Night - 23°F
Jan 15, 2026
23 mph W
Partly Cloudy
Partly cloudy, with a low around 23. Wind chill values as low as 8. West wind around 23 mph.
Friday - 38°F
Jan 16, 2026
17 to 22 mph W
Sunny
Sunny. High near 38, with temperatures falling to around 33 in the afternoon. West wind 17 to 22 mph.
Friday Night - 32°F
Jan 16, 2026
14 to 20 mph SW
Mostly Cloudy
Mostly cloudy. Low around 32, with temperatures rising to around 36 overnight.
Saturday - 42°F
Jan 17, 2026
15 mph SW
Chance Light Rain
A chance of rain after 7am. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Saturday Night - 30°F
Jan 17, 2026
13 mph W
Chance Light Rain
A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Sunday - 34°F
Jan 18, 2026
10 to 17 mph W
Chance Rain And Snow
A chance of rain and snow after 7am. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Sunday Night - 23°F
Jan 18, 2026
15 to 18 mph W
Chance Light Snow
A chance of snow. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
M.L. King Jr. Day - 32°F
Jan 19, 2026
15 to 21 mph W
Slight Chance Light Snow then Sunny
A slight chance of snow before 7am. Sunny, with a high near 32.
Monday Night - 20°F
Jan 19, 2026
22 mph W
Partly Cloudy
Partly cloudy, with a low around 20.
Tuesday - 27°F
Jan 20, 2026
23 mph W
Mostly Sunny
Mostly sunny, with a high near 27.
Tuesday Night - 18°F
Jan 20, 2026
18 to 23 mph W
Partly Cloudy
Partly cloudy, with a low around 18.

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